CN214090414U - Pre-buried fire-retardant water-stop joint - Google Patents
Pre-buried fire-retardant water-stop joint Download PDFInfo
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- CN214090414U CN214090414U CN202022758498.1U CN202022758498U CN214090414U CN 214090414 U CN214090414 U CN 214090414U CN 202022758498 U CN202022758498 U CN 202022758498U CN 214090414 U CN214090414 U CN 214090414U
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Abstract
The utility model discloses a pre-buried formula back-fire relief stagnant water festival relates to building fire prevention facility technical field, including can pre-buried stagnant water festival and fire stopping collar in concrete structure, the upper portion of stagnant water festival exposes in concrete structure's outside, the fire stopping collar wraps up around the lower part of stagnant water festival, the outside of fire stopping collar is equipped with the fixing base for fix the stagnant water festival on building structure. The utility model discloses a parcel fire stopping collar in stagnant water festival lower part to at the externally mounted fixing base of fire stopping collar, can fix stagnant water festival on building structure. When the concrete structure is poured, the upper part of the water stop joint is exposed out of the concrete structure, and the fixed seat and the lower part of the water stop joint with the fire stopping ring are poured into the concrete structure. Utilize the utility model discloses can be with stagnant water festival and the pre-buried in concrete structure of spark arrester, can ensure that stagnant water festival and fire stopping collar are fixed firm, standardized the construction process of fire stopping collar simultaneously, guaranteed the installation quality of fire stopping collar, also reduced construction process.
Description
Technical Field
The utility model relates to a building fire prevention facility technical field especially relates to a pre-buried formula back-fire relief stagnant water festival.
Background
With the economic high-speed development of China, plastic pipelines are widely applied to various public and civil buildings. However, because the holes formed in the plastic pipes after being burned by a hot fire act like a chimney, the plastic pipes often become a passage for the propagation of the fire, which causes the fire and smoke to spread and diffuse from one layer along the pipes to another layer, or from one room to another room, and the fire loss is enlarged. Therefore, according to the indoor drainage system in the national department of housing and construction GB 50242 and 2002 'standards for water supply and drainage and heating engineering construction quality acceptance of building': fire-retardant rings or fire-proof sleeves are arranged on the exposed drainage plastic pipelines in the high-rise building according to the design requirements.
At present, a construction hole is generally reserved in a main body in the actual construction process, and after a PVC-U pipeline is installed in the later stage, secondary pouring of a hole opening and installation of a fire stopping ring are carried out. However, in the actual construction process, the secondary pouring position is easy to leak water, and the expansion bolt is difficult to be arranged on the root of the pipe by drilling holes in a narrow toilet space. However, the clamping and fixing of the firestop ring to the pipe by the clamping force of the firestop ring itself does not meet the regulation of the specification, and the operation can result in that the construction quality cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art, a pre-buried formula back-fire relief stagnant water festival is provided, can effectively improve the construction quality of fire stopping collar, ensures that fire stopping collar and stagnant water festival installation are firm.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is:
the utility model provides a pre-buried formula back-fire relief stagnant water festival, is including can pre-buried stagnant water festival and the fire stopping collar in concrete structure, the upper portion of stagnant water festival exposes in concrete structure's outside, the fire stopping collar wraps up around the lower part of stagnant water festival, the outside of fire stopping collar is equipped with the fixing base for fix stagnant water festival on building structure.
Preferably, the fixing seat comprises a shield for wrapping the fire stopping ring and a fixing plate for connecting with a building structure, the shield is cylindrical and tubular, and the fixing plate is disc-shaped; the bottom of the protective cover is fixedly connected with the inner side edge of the fixing plate.
Preferably, the protective cover of the fixing seat is of a split structure and consists of two semicircular hoops, two ends of each semicircular hoop are provided with protruding connecting lugs, and two adjacent connecting lugs are connected through fastening bolts; and a plurality of connecting holes are radially arranged on the fixing plate and are used for being matched with the connecting bolts.
Preferably, the protective cover and the fixing plate are made of stainless steel, and the water stop section is made of PVC.
Preferably, the outer side of the lower part of the water stop joint is provided with an annular groove for accommodating a fire stopping ring.
Preferably, a plurality of water stop rings are arranged on the outer side of the upper part of the water stop joint, and the plurality of water stop rings extend from the inside of the concrete structure to the outside of the concrete structure from bottom to top.
Preferably, the outer side of the water stop joint is also provided with a limiting ring pre-embedded in the concrete structure, and the limiting ring is arranged between the annular groove and the water stop ring.
Preferably, an anti-leakage ring is arranged at the top of the inner side of the water stopping joint, a water stopping groove is arranged below the anti-leakage ring, the upper end of the water stopping groove is fixedly connected with the inner wall of the water stopping joint, and a gap is formed between the outer wall of the water stopping groove and the inner wall of the water stopping joint.
Preferably, the firestop ring is a thermally expansive flame retardant material.
Preferably, the water stopping section is formed by one-time injection molding.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: compared with the prior art, the utility model discloses a parcel fire stopping collar in stagnant water festival lower part to at the externally mounted fixing base of fire stopping collar, can fix stagnant water festival on building structure. When the concrete structure is poured, the upper part of the water stop joint is exposed out of the concrete structure, and the fixed seat and the lower part of the water stop joint with the fire stopping ring are poured into the concrete structure. Utilize the utility model discloses can be with stagnant water festival and the pre-buried in concrete structure of spark arrester, can ensure that stagnant water festival and fire stopping collar are fixed firm, standardized the construction process of fire stopping collar simultaneously, guaranteed the installation quality of fire stopping collar, also reduced construction process.
Drawings
Fig. 1 is a schematic structural view of a pre-buried fire-retardant water-stop joint provided by an embodiment of the utility model;
FIG. 2 is a state diagram of the pre-buried fire-retardant water stop in the concrete structure in FIG. 1;
FIG. 3 is a top view of the anchor block of FIG. 1;
FIG. 4 is a sectional view A-A of FIG. 3;
in the figure: 00-concrete structure; 1-water stop joint, 10-boss, 11-water stop ring, 12-spacing ring, 13-anti-leakage ring and 14-water stop groove; 2-a fire stopping ring; 3-a protective cover, 30-a semicircular hoop and 31-a connecting lug; 4, fixing a plate; 5-fastening bolts; 6-connecting hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the technical solutions in the embodiments of the present invention are described below clearly and completely with reference to the accompanying drawings and specific embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 and 2, the utility model provides a pair of pre-buried formula back-fire relief stagnant water festival, including can be pre-buried in stagnant water festival 1 and fire stopping ring 2 in concrete structure 00, the upper portion of stagnant water festival 1 exposes in the outside of concrete structure 00, fire stopping ring 2 wraps up around the lower part of stagnant water festival 1, the outside of fire stopping ring 2 is equipped with the fixing base for fix stagnant water festival 1 on building structure. The fire stopping ring is wrapped on the lower portion of the water stopping section, the water stopping section and the fire arrester are embedded in the concrete structure, the water stopping section and the fire arrester can be fixed firmly, the construction process of the fire arrester is standardized, and the installation quality of the fire arrester is guaranteed.
In one embodiment of the present invention, as shown in fig. 1-4, the fixing base comprises a shield 3 for wrapping the fire stopping ring 2 and a fixing plate 4 for connecting with the building structure, wherein the shield 3 is cylindrical and tubular, and the fixing plate 4 is disc-shaped; the bottom of the shield is fixedly connected with the inner side edge of the fixing plate 4. When the water stop joint, the fire stopping ring and the fixing seat are installed, the protective cover and the fixing plate can be welded and fixed. The protective cover 3 of the fixing seat is of a split structure, the protective cover 3 is composed of two semicircular hoops 30, two ends of each semicircular hoop 30 are provided with protruding connecting lugs 31, and two adjacent connecting lugs 31 are connected through fastening bolts 5; and a plurality of connecting holes 6 are radially formed in the fixing plate 4 and are used for being matched with connecting bolts to fix the fixing plate on a building structure.
When the fixing base is manufactured, the protective cover 3 and the fixing plate 4 are made of stainless steel, and after the fixing base is manufactured, antirust paint can be sprayed on the outer portion of the fixing base, so that rusting in the using process is avoided. In addition, stagnant water festival 1 is the PVC material, can once injection moulding in the mould.
As a preferable structure, as shown in FIGS. 1 and 2, the lower outer side of the water stop joint 1 is provided with an annular groove for accommodating a firestop ring 2. Two convex bosses 10 are arranged on the outer circular surface of the lower part of the water stop joint, an annular groove is formed between the two bosses, and a fire stopping ring can be filled in the annular groove.
In an embodiment of the present invention, as shown in fig. 1 and 2, a plurality of water stop rings 11 are disposed on the outer side of the upper portion of the water stop joint 1, and the plurality of water stop rings 11 extend from the inside of the concrete structure 00 to the outside of the concrete structure 00 from bottom to top. Meanwhile, the outer side of the water stop joint 1 is also provided with a limiting ring 12 which is pre-embedded in the concrete structure 00, and the limiting ring 12 is arranged between the annular groove and the water stop ring 11. The top of the inner side of the water stop joint 1 is provided with an anti-leakage ring 13, a water stop groove 14 is arranged below the anti-leakage ring 13, the upper end of the water stop groove 14 is fixedly connected with the inner wall of the water stop joint 1, and a gap is arranged between the outer wall of the water stop groove 14 and the inner wall of the water stop joint 1.
In the specific manufacturing process, the fire stopping ring 2 is made of a thermal expansion flame retardant material. Wherein the expansion multiple of the thermal expansion flame-retardant material exceeds 3-10 times of the original volume. The thermal expansion flame-retardant material is utilized to play a role in flame retardance and fire prevention.
The following is a manufacturing process of a specific embodiment:
the water stop joint is made of a PVC-U water stop joint with the inner diameter of 110mm and the height of 160mm, and the protective cover is made of a stainless steel plate with the thickness of 1mm through bending; the fixed plate is made of a stainless steel plate with the thickness of 2mm, and is formed by punching through a punching die, and 4 groups of small holes with the diameter of 5mm are processed at the positions 7mm away from the edge on the inner side and the outer side of the fixed plate and used for fixing the fixed plate.
The design of stagnant water festival is as follows: two bosses with the thickness of 5mm are preset on the outer circle of the lower part of the water stop joint, an annular groove is formed between the two bosses, the height of the annular groove is 50mm, and the depth (half of the difference between the inner diameter and the outer diameter) of the annular groove is 14 mm; the upper part of the excircle of the water stop joint is preset with 5 water stop rings; the distance between the upper boss and the limiting ring is set to be 10mm, a convex brim with the height of 7mm is arranged at the edge of the limiting ring, and the thickness of the bottom of the limiting ring is 2 mm; the height of the water stopping groove at the inner side of the water stopping section is 40mm, and the height of the upper anti-leakage ring is 39 mm. This stagnant water festival can adopt the PVC material to pour into the injection moulding in the mould of predetermineeing into one shot.
The thermal expansion flame retardant material is made into two semicircles with the width of 53mm, the thickness of 14mm and the inner diameter of 58.5 by using a mould. And fixing the shield provided with the fire stopping ring outside the water stopping joint by using the fastening bolt, and fixing the fixing plate on the building structure by using the connecting bolt to finish the manufacturing.
And finally, casting concrete on the outer part of the water stop joint and the fixed seat in situ.
To sum up, the utility model has the advantages of simple structure is compact, convenient operation is swift, and outside handsome in appearance, the stagnant water festival of antiseep combines with the fire stopping collar of fire prevention measure organically, and construction installation is simple and convenient, provides strong fire control guarantee for the popularization and application of PVC drain pipe in industry and civil buildings, especially high-rise building. Utilize the utility model discloses the further construction of having standardized the fire stopping collar combines the installation of fire stopping collar and the installation of pipeline closely, has both guaranteed the installation quality of fire stopping collar, has also reduced construction process.
The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. The utility model provides a pre-buried formula back-fire relief stagnant water festival which characterized in that: including stagnant water festival and the fire stopping collar that can pre-buried in concrete structure, the upper portion of stagnant water festival exposes in concrete structure's outside, the fire stopping collar wraps up around the lower part of stagnant water festival, the outside of fire stopping collar is equipped with the fixing base for fix stagnant water festival on building structure.
2. The pre-buried fire retardant water stop joint as set forth in claim 1, which is characterized in that: the fixing seat comprises a shield for wrapping the fire stopping ring and a fixing plate for connecting with a building structure, the shield is cylindrical and tubular, and the fixing plate is disc-shaped; the bottom of the protective cover is fixedly connected with the inner side edge of the fixing plate.
3. The pre-buried fire-retardant water stop joint as claimed in claim 2, wherein: the protective cover of the fixed seat is of a split structure and consists of two semicircular hoops, two ends of each semicircular hoop are provided with a convex connecting lug, and two adjacent connecting lugs are connected through fastening bolts; and a plurality of connecting holes are radially arranged on the fixing plate and are used for being matched with the connecting bolts.
4. The pre-buried fire-retardant water stop joint as claimed in claim 2, wherein: the guard shield and the fixing plate are made of stainless steel, and the water stop section is made of PVC.
5. The pre-buried fire retardant water stop joint as set forth in claim 1, which is characterized in that: and an annular groove for accommodating a fire stopping ring is formed in the outer side of the lower part of the water stopping joint.
6. The pre-buried fire-retardant water stop joint as claimed in claim 5, wherein: a plurality of water stop rings are arranged on the outer side of the upper portion of the water stop joint, and extend from the inside of the concrete structure to the outside of the concrete structure from bottom to top.
7. The pre-buried fire retardant water stop joint as set forth in claim 6, which is characterized in that: the outer side of the water stop joint is also provided with a limiting ring which is pre-embedded in the concrete structure, and the limiting ring is arranged between the annular groove and the water stop ring.
8. The pre-buried fire retardant water stop joint as claimed in claim 7, wherein: the water stopping joint is characterized in that an anti-leakage ring is arranged at the top of the inner side of the water stopping joint, a water stopping groove is arranged below the anti-leakage ring, the upper end of the water stopping groove is fixedly connected with the inner wall of the water stopping joint, and a gap is formed between the outer wall of the water stopping groove and the inner wall of the water stopping joint.
9. The pre-buried fire retardant water stop joint as set forth in claim 1, which is characterized in that: the fire stopping ring is made of thermal expansion flame-retardant material.
10. A pre-buried fire retardant water stop joint as defined in any one of claims 1-9, which is characterized in that: the water stopping section is formed by one-time injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022758498.1U CN214090414U (en) | 2020-11-25 | 2020-11-25 | Pre-buried fire-retardant water-stop joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022758498.1U CN214090414U (en) | 2020-11-25 | 2020-11-25 | Pre-buried fire-retardant water-stop joint |
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| Publication Number | Publication Date |
|---|---|
| CN214090414U true CN214090414U (en) | 2021-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022758498.1U Active CN214090414U (en) | 2020-11-25 | 2020-11-25 | Pre-buried fire-retardant water-stop joint |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113026972A (en) * | 2021-04-07 | 2021-06-25 | 海南科技职业大学 | One-time embedded water stop joint for drainage of constructional engineering and construction method thereof |
-
2020
- 2020-11-25 CN CN202022758498.1U patent/CN214090414U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113026972A (en) * | 2021-04-07 | 2021-06-25 | 海南科技职业大学 | One-time embedded water stop joint for drainage of constructional engineering and construction method thereof |
| CN113026972B (en) * | 2021-04-07 | 2022-08-26 | 海南科技职业大学 | One-time embedded water stop joint for drainage of constructional engineering and construction method thereof |
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