CN213539599U - Finished product flue precast concrete joint installation device - Google Patents
Finished product flue precast concrete joint installation device Download PDFInfo
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- CN213539599U CN213539599U CN202021009759.3U CN202021009759U CN213539599U CN 213539599 U CN213539599 U CN 213539599U CN 202021009759 U CN202021009759 U CN 202021009759U CN 213539599 U CN213539599 U CN 213539599U
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- flue
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Abstract
The utility model discloses a finished product flue precast concrete joint installation device belongs to the building field, including lower floor's flue and upper flue, be provided with the precast concrete joint between lower floor's flue and the upper flue, the outside and floor or wall body fixed connection of precast concrete joint. The prefabricated concrete joint can be tightly bonded with the finished flue at the lower layer and the upper layer and the holes of the peripheral floor slabs, so that common quality problems of leakage, smoke and the like caused by cracking of the flue joint are effectively solved, and the prefabricated concrete joint is convenient to install and apply and popularize; the reserved hole opening can be plugged once along with the precast block, the reserved hole is not plugged by secondary pouring concrete, and the working procedures are saved. The angle steel plate is fixed by adopting a cement self-tapping nail, so that the operation is easy; the finished product flue is connected at the floor by adopting a concrete prefabricated joint mode, the joint is respectively and effectively connected with the upper layer of flue and the lower layer of flue, the reserved holes of the flue, the inner side wall and the outer side floor are simultaneously plugged, the length of the joint is longer, and the problems of leakage and smoke leakage caused by mortar cracking are effectively solved.
Description
Technical Field
The utility model relates to a building field especially relates to finished product flue precast concrete joint installation device.
Background
The existing finished flue form and the supporting connection structure are from national standard atlas residential exhaust duct 16J 916. The installation process basically follows the principle that the dead weight of the finished flue at the section is borne by the bearing component, the flue ports are in butt joint connection, polymer mortar is adopted for bonding joints, and finally, the reserved hole of the floor slab is blocked by secondary casting of fine aggregate concrete joints by a formwork. The finished product flue is produced by factory standardization, the length of the standard segment is the same as the floor height, the interface form is usually consistent with the section of each segment of flue, the finished product flue is made into a tongue-and-groove form under special conditions, and the flue is formed at one time and leaves the factory when being produced. The bearing component is generally of two types of angle steel and reinforcing steel, and the bearing component penetrates through the cross section of the flue during installation, and two ends of the bearing component are fixed on the floor slab and the wall body at the opposite side of the floor slab respectively.
The flue design of toilets and kitchens of multi-story and high-rise civil houses newly built in China commonly adopts a finished product discharge flue system, although the production and installation construction technology of the finished product flue is relatively mature, the common quality problems of flue smoke leakage, smoke cross, leakage and the like still exist during use due to installation errors during construction and the shrinkage deformation characteristic of a concrete material.
The finished product flue is usually produced in a factory according to the type of a national standard drawing set, a flue opening is reserved in a floor slab, the size of each edge is generally larger than the size of the outer section of the flue by about 5cm, a supporting member is fixed at the position of the surface of the floor slab during installation, then the bottom of the standard section of the finished product flue is seated on the supporting member, the joints of the upper and lower sections of the finished product flue of the supporting member are all formed by machining the standard section of the finished product flue at one time, the joints are sealed by bonding polymer mortar, and after the installation is finished, the reserved part of the floor slab is sealed by pouring fine aggregate.
The prior art has the following disadvantages:
(1) although the supporting member bears the weight of the finished product flue of the layer, the supporting member still deforms, bonding mortar of a butt joint seam of the upper flue and the lower flue cracks, gas is easy to leak from the cracking position during use, and the quality problem of smoke leakage is caused.
(2) The bottom of the standard section of the finished flue is arranged on the supporting member, and because of installation errors, bonding mortar at the connecting part is uneven, and shrinkage and cracking are easy to occur at the later stage of use, so that smoke leakage is generated.
(3) The secondary plugging of the reserved hole of the floor slab has the quality hidden trouble of leakage in the later use at the cold joint of the old concrete and the new concrete.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a finished product flue precast concrete joint installation device solves the technical problem who mentions in the background art.
Finished product flue precast concrete joint installation device, including lower floor's flue and upper flue, be provided with the precast concrete joint between lower floor's flue and the upper flue, the outside and floor or wall body fixed connection of precast concrete joint.
Furthermore, polymer mortar is coated on the outer surface of the precast concrete joint, the precast concrete joint is fixedly arranged with a floor slab or a wall body through the polymer mortar, and the precast concrete joint is fixedly arranged with the contact positions of the lower layer flue and the upper layer flue through the polymer mortar respectively.
Above-mentioned scheme still includes the bearing angle steel board, the bearing angle steel board sets up the right angle department that upper flue and floor formed to it is fixed through setting up self tapping cement nail.
Further, precast concrete joint includes interior flange and deckle board, interior flange sets up the inboard at the deckle board.
Furthermore, the inner measuring convex edge is arranged between the lower layer flue and the upper layer flue, and the frame plate is sleeved outside the lower layer flue and the upper layer flue.
Further, the width of interior survey chimb is the same with lower floor's flue and upper flue thickness, the inboard width of framed panel is the same with lower floor's flue and upper flue outside width.
Further, the bearing angle steel plate is arranged to be of a right-angle plate structure, the vertical side plate is fixed to the outer side of the upper-layer flue through the self-tapping cement nails, and the bottom flat plate is fixed to the upper end of the floor through the self-tapping cement nails.
The device comprises a precast concrete joint, a finished product flue standard section, angle steel and a cement self-tapping nail, wherein the precast concrete joint is used for connecting an upper finished product flue and a lower finished product flue, the angle steel and the cement self-tapping nail are used for supporting the finished product flue, and the polymer dry-mixed mortar is used for joint connection.
Furthermore, a fixing block is arranged between the upper layer flue and the wall body, and the fixing block is a wedge-shaped fixing block, so that the lower layer flue is fixed.
The utility model adopts the above technical scheme, the utility model discloses following technological effect has:
the utility model discloses a precast concrete joint can bond closely with lower floor, upper finished product flue and peripheral floor entrance to a cave, effectively solves flue seam fracture and leads to quality common faults such as seepage, string cigarette, and simple to operate, the application and popularization of being convenient for; the reserved hole opening can be plugged once along with the precast block, so that the reserved hole is not plugged by secondary pouring concrete, and the working procedures are saved; the angle steel plate is fixed by adopting a cement self-tapping nail, so that the operation is easy; the finished product flue is connected at the floor by adopting a concrete prefabricated joint mode, the joint is respectively and effectively connected with the upper layer of flue and the lower layer of flue, and the reserved holes of the flue, the inner side wall and the outer side floor are plugged simultaneously, so that the joint length is longer, and the problems of leakage and smoke leakage caused by mortar cracking can be effectively solved; the prefabricated concrete joint can be inserted into a reserved hole of a reserved floor slab to finish primary plugging, and a secondary formwork-erecting pouring fine aggregate concrete plugging process is avoided; adopt angle steel board as the bearing component, fixed through cement self-tapping screw, can undertake the dead weight of whole section finished product flue, cement self-tapping screw adopts the power actuated setting device to fix, connects closely knit nature good, can prevent the gas leakage.
Drawings
Fig. 1 is a vertical cross-sectional view of the present invention.
Fig. 2 is a transverse cross-sectional view of the present invention.
Fig. 3 is a sectional view of the precast concrete joint of the present invention.
Fig. 4 is a plan view of the present invention.
Reference numbers in the figures: 1-prefabricating a concrete joint; 1.1-inner side convex edge; 1.2-frame plate; 2-lower layer flue; 3-upper layer flue; 4-polymer mortar; 5-supporting the angle steel plate; 6-self-tapping cement nail; 7-a floor slab; 8, a wall body; and 9-fixing block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and by referring to preferred embodiments. It should be understood, however, that the numerous specific details set forth in the specification are merely set forth to provide a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.
As shown in fig. 1-4, according to the utility model discloses a finished product flue precast concrete joint installation device, including lower floor's flue 2 and upper flue 3, be provided with precast concrete joint 1 between lower floor's flue 2 and the upper flue 3, precast concrete joint 1's the outside and floor 7 or 8 fixed connection of wall body.
The outer surface of the precast concrete joint 1 is coated with polymer mortar 4, the precast concrete joint 1 is fixedly arranged with a floor slab 7 or a wall body 8 through the polymer mortar 4, and the precast concrete joint 1 is fixedly arranged with the contact positions of the lower-layer flue 2 and the upper-layer flue 3 through the polymer mortar 4 respectively. Still include bearing angle steel sheet 5, bearing angle steel sheet 5 sets up the right angle department that upper flue 3 and floor formed to it is fixed through setting up self tapping cement nail 6.
As shown in fig. 3-4, the precast concrete joint 1 includes an inner flange 1.1 and a frame plate 1.2, and the inner flange 1.1 is disposed inside the frame plate 1.2. Interior survey chimb 1.1 sets up in the middle of lower floor flue 2 and upper flue 3, framed panel 1.2 registrates the outside at lower floor flue 2 and upper flue 3. The width of interior survey chimb 1.1 is the same with lower floor's flue 2 and 3 thickness of upper flue, the inboard width of framed panel 1.2 is the same with the 3 outside widths of lower floor's flue 2 and upper flue. Bearing hornbeam plate 5 sets up to right-angle plate structure, and vertical curb plate passes through self tapping cement nail 6 fixed with the outside of upper flue 3, and the bottom is dull and stereotyped to be fixed through self tapping cement nail 6 and floor 7 upper end.
During installation, according to the sectional dimension of the outline of the finished flue, when the floor concrete is poured, a flue hole is reserved, and the size of the hole is 25mm enlarged on each side of the size of the finished flue.
And (3) prefabricating the precast concrete joint matched with the standard section specification of the finished product flue in an industrial manner. The joint is a hollow prefabricated block, the section of the solid part is in a T shape which is turned by 90 degrees, the thickness of the solid part is 20mm, the middle part and the convex part of the T shape are inward, the vertical surface of the outer contour is a plane, and the total height is 90 mm. The size of the inner contour plane is 25mm of the size of each side of the outer section of the flue, and the size of the outer contour plane is 25mm of the enlargement of each side of the outer section of the flue.
The angle steel L56x36x4, Q235 is cut into angle steel plates 60-80 wide by a cutting machine, and two holes with the diameter of 4-5 mm are drilled in the center of the angle steel plates 10-15 mm away from the tips of the long limbs and the short limbs and used for fixing the cement self-tapping nails.
When the first layer of finished product flue is installed, the base is built according to the conventional method, and meanwhile, the edge of the concrete thickness of the reserved hole of the upper floor is chiseled and cleaned. And cutting a part of the standard section of the first-layer flue according to the height of the base, so that the top surface elevation is 65mm lower than the upper surface elevation of the upper-layer floor after the finished flue is in place.
And smearing polymer dry-mixed mortar with the thickness of 5mm on the inner side and the outer vertical surface of the precast concrete joint, then placing the joint on the upper opening of the lower layer flue, lightly tapping the joint by using a rubber hammer to be smooth, firmly connecting the T-shaped opening with the upper opening of the lower layer product flue, and simultaneously tightly extruding the outer vertical surface of the precast block with the reserved hole and allowing the polymer mortar to escape. After the installation, the upper opening of the prefabricated joint is about 10mm lower than the upper surface of the floor slab.
And (4) positioning the upper-layer finished flue in place, installing the bottom inside the prefabricated joint, straightening and compacting, allowing polymer mortar to escape from the outer side of the joint, and scraping by using a scraper.
Fixing 4 angle steel plates at the corners of the finished product flue, wherein the distance between the center of each angle steel and the corner point of the finished product flue is 60-80 mm, the long limbs are attached to the floor surface, the short edges lean against the outer wall of the finished product flue, and then cementing, self-tapping and nailing are performed at the drilling positions for fixing.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. Finished product flue precast concrete joint installation device, including lower floor's flue (2) and upper flue (3), its characterized in that: be provided with precast concrete joint (1) between lower floor flue (2) and upper flue (3), the outside and floor (7) or wall body (8) fixed connection of precast concrete joint (1).
2. The finished flue precast concrete joint installation device of claim 1, characterized in that: the prefabricated concrete joint is characterized in that polymer mortar (4) is coated on the outer surface of the prefabricated concrete joint (1), the prefabricated concrete joint (1) is fixedly arranged with a floor slab (7) or a wall body (8) through the polymer mortar (4), and the prefabricated concrete joint (1) is fixedly arranged with contact positions of a lower-layer flue (2) and an upper-layer flue (3) through the polymer mortar (4).
3. The finished flue precast concrete joint installation device of claim 1, characterized in that: still include bearing hornbeam plate (5), bearing hornbeam plate (5) set up the right angle department that upper flue (3) and floor formed to it is fixed through setting up self tapping cement nail (6).
4. The finished flue precast concrete joint installation device of claim 1, characterized in that: precast concrete joint (1) is including interior flange (1.1) and framed panel (1.2), interior flange (1.1) of surveying sets up the inboard at framed panel (1.2).
5. The finished flue precast concrete joint installation device of claim 4, characterized in that: interior survey chimb (1.1) sets up in the middle of lower floor's flue (2) and upper flue (3), framed bent board (1.2) registrate the outside at lower floor's flue (2) and upper flue (3).
6. The finished flue precast concrete joint installation device of claim 5, characterized in that: the width of interior survey chimb (1.1) is the same with lower floor's flue (2) and upper flue (3) thickness, the inboard width of framed panel (1.2) is the same with lower floor's flue (2) and upper flue (3) outside width.
7. The finished flue precast concrete joint installation device of claim 3, characterized in that: bearing angle steel board (5) set up to right-angle plate structure, and vertical curb plate passes through self tapping cement nail (6) and fixes with the outside of upper flue (3), and the bottom is dull and stereotyped to pass through self tapping cement nail (6) and floor (7) upper end fixed.
8. The finished flue precast concrete joint installation device of claim 7, characterized in that: a fixing block (9) is arranged between the upper layer flue (3) and the wall body (8), and the fixing block (9) is a wedge-shaped fixing block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021009759.3U CN213539599U (en) | 2020-06-04 | 2020-06-04 | Finished product flue precast concrete joint installation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021009759.3U CN213539599U (en) | 2020-06-04 | 2020-06-04 | Finished product flue precast concrete joint installation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213539599U true CN213539599U (en) | 2021-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021009759.3U Expired - Fee Related CN213539599U (en) | 2020-06-04 | 2020-06-04 | Finished product flue precast concrete joint installation device |
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| Country | Link |
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| CN (1) | CN213539599U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482463A (en) * | 2022-02-21 | 2022-05-13 | 湖南三达数据科技有限公司 | Prefabricated component for plugging hanging hole of assembled flue and plugging method |
-
2020
- 2020-06-04 CN CN202021009759.3U patent/CN213539599U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482463A (en) * | 2022-02-21 | 2022-05-13 | 湖南三达数据科技有限公司 | Prefabricated component for plugging hanging hole of assembled flue and plugging method |
| CN114482463B (en) * | 2022-02-21 | 2024-04-12 | 湖南三达数据科技有限公司 | Prefabricated part for plugging hanging hole of assembly flue and plugging method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210625 |
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| CF01 | Termination of patent right due to non-payment of annual fee |