CN214329561U - Prefabricated external wall panel and dry-type connection external wall - Google Patents
Prefabricated external wall panel and dry-type connection external wall Download PDFInfo
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- CN214329561U CN214329561U CN202023320551.6U CN202023320551U CN214329561U CN 214329561 U CN214329561 U CN 214329561U CN 202023320551 U CN202023320551 U CN 202023320551U CN 214329561 U CN214329561 U CN 214329561U
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Abstract
The utility model discloses an outer wall is connected to prefabricated side fascia and dry-type. The prefabricated external wall panel comprises a wall panel body, wherein a first rabbet is arranged at the left side end of the external wall panel, a second rabbet is arranged at the right side end of the external wall panel, a bolt is embedded in the first rabbet, and an embedded part with a hole is embedded in the second rabbet. The utility model discloses take dry-type operation, can the parallel operation, and water-proof effects is good.
Description
Technical Field
The utility model relates to an outer wall is connected to prefabricated side fascia and dry-type belongs to the building industrialization field.
Background
The prefabricated outer wall connection in the market at present mainly takes node post-pouring or pure seam post-processing structural adhesive as a main part; the post-cast joint method has large on-site wet operation engineering quantity, and the next layer of installation can be carried out after the post-cast joint is solidified and hardened, thus consuming long time; the risk of water seepage of the outer wall at the later stage of the seam splicing of the pure structural adhesive is large.
In order to solve the problems of the existing prefabricated external wall, a novel prefabricated external wall needs to be developed, a dry type connecting method is adopted, post-pouring nodes are not needed, a waterproof structure mode is changed, and the waterproof grade is improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a prefabricated external wall panel and dry-type connection outer wall, this outer wall structural system can solve prefabricated outer wall and need water the connected node after, the big problem of wet operation engineering volume.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is:
the utility model provides a prefabricated external wall panel, includes the wallboard body, its structural feature is: the left side end of the external wall panel is provided with a first rabbet, the right side end of the external wall panel is provided with a second rabbet, a bolt is embedded in the first rabbet, and an embedded part with a hole is embedded in the second rabbet;
when the left prefabricated external wall panel and the right prefabricated external wall panel are spliced, the second rabbet of one external wall panel can be matched with the first rabbet of the other external wall panel, and the bolt of the first rabbet can be fixedly connected together through the fastening nut after penetrating through the embedded part of the second rabbet.
According to the utility model discloses an embodiment, can also be right the utility model discloses do further optimization, following for optimizing the technical scheme who forms afterwards:
in a preferred embodiment, the sum of the thicknesses of the first tongue and the second tongue does not exceed the thickness of the main body of the external wall panel.
In a preferred embodiment, the thickness of the first tongue-and-groove or the second tongue-and-groove is not less than 90 mm.
In a preferred embodiment, the lower end of the external wall panel is provided with a third rabbet, and a bolt is embedded in the third rabbet.
In a preferred embodiment, the thickness of the first and second tongues is less than the thickness of the third tongue.
In a preferred embodiment, the opening direction of the third tongue-and-groove is consistent with the opening direction of the first tongue-and-groove and opposite to the opening direction of the second tongue-and-groove.
In one preferred embodiment, the first and second rebates extend along the side edge of the fascia for equal lengths.
In order to solve the problem that the post-cast node need wait to solidify the installation of the prefabricated side fascia of next layer after hardening, the utility model provides a dry-type connection outer wall, it includes the prefabricated side fascia of polylith, controls two adjacent prefabricated side fascia cooperations and links to each other, and the second tongue-and-groove of a side fascia on the left side cooperates with the first tongue-and-groove of a side fascia on the right, just pass through fastening nut fixed connection after the built-in fitting of second tongue-and-groove is passed to the bolt of first tongue-and-groove and be in the same place.
In order to solve the big problem of the waterproof hidden danger of current prefabricated outer wall, the seam crossing of an outer wall board on the left side and an outer wall board on the right is equipped with five waterproof in proper order from outer to interior, is respectively: the outer layer weather-resistant structural adhesive, the outer side concrete rabbet, the waterproof adhesive between the first rabbet and the second rabbet, the inner side concrete rabbet and the inner side weather-resistant structural adhesive.
In a preferred embodiment, a hand hole is formed in the embedded part with the embedded hole of the second tongue-and-groove, and expansion cement is filled in the hand hole after the left outer wall panel and the right outer wall panel are connected.
Therefore, the utility model discloses form a brand-new dry-type and connect exterior wall structure system, it includes the prefabricated side fascia of polylith, controls and forms the sub-system of transverse connection between two adjacent prefabricated side fascia, forms vertical sub-system of connecting between upper and lower two prefabricated side fascia and the floor. The left side end of the external wall panel is provided with a first tongue-and-groove, the right side end of the external wall panel is provided with a second tongue-and-groove, and the lower end part of the external wall panel is provided with a third tongue-and-groove. The sum of the thicknesses of the first rabbet and the second rabbet does not exceed the thickness of the main body of the external wall panel. Bolts are embedded in the first rabbet and the third rabbet, and embedded parts with holes are embedded in the second rabbet.
In the transverse connector system, the second rabbet of the left outer wall panel is matched with the first rabbet of the right outer wall panel, and the bolt of the first rabbet penetrates through the embedded part of the second rabbet and then is fixedly connected together through the fastening nut.
In the vertical connector system, a connecting plate with holes is fixed on a rib at the top of the lower external wall panel, the connecting plate penetrates through the floor slab and extends into a third rabbet of the upper external wall panel, and a bolt of the third rabbet penetrates through the connecting plate and then is fixedly connected together through a fastening nut.
And after the upper external wall panel and the lower external wall panel are connected, the third rabbet is filled with expansion cement.
The installation of the dry-type connection outer wall structure system comprises the following steps:
s1, matching the second rabbet of the left outer wall panel with the first rabbet of the right outer wall panel, coating waterproof adhesive at the rabbet, and fixedly connecting the left outer wall panel and the right outer wall panel together through fastening nuts.
S2, the superposed floor slab is hoisted to an external wall panel below the superposed floor slab, a connecting plate is installed, and then the floor cast-in-place layer concrete is cast.
S3, hoisting the upper external wall panel, enabling the upper end of the connecting plate to extend into the third rabbet of the upper external wall panel, coating waterproof adhesive at the rabbet, and fixedly connecting the upper external wall panel and the lower external wall panel together through fixing nuts.
And S4, filling the bolt hand holes and the third tongue-and-groove of the external wall panel with expansion cement.
Therefore, the utility model discloses use spacers such as steel sheet to cushion and realize being connected between bolt and the concrete indirectly.
The vertical connection of wallboard adopts the node post-cast to carry out the piece, reduces or has avoided the risk of later stage infiltration. The utility model discloses a bolt, square steel built-in fitting and connecting plate of plugging into can realize quick accurate positioning and connect.
Compared with the prior art, the beneficial effects of the utility model are that:
1) because the utility model discloses a prefabricated side fascia main part is reinforced concrete, and both sides piece tongue-and-groove thickness is not less than 90mm, is difficult for causing the damage in hoist and mount, the installation.
2) Because prefabricated external wall panel both sides and bottom adopt the bolt to connect, the installation rate is high-efficient.
3) After the two sides of the prefabricated external wall panel and the bottom fastening nuts are installed, the whole structure is stable, time waiting is not needed to be carried out like a post-pouring node method, and the upper laminated floor slab can be directly installed.
4) The prefabricated outer wall of the utility model comprises five waterproof structures, an outer layer weather-proof structural adhesive, an outer side concrete rabbet, a waterproof adhesive between the two rabbets, an inner side concrete rabbet and an inner side weather-proof structural adhesive; compared with the prior art, the later-stage outer wall water seepage risk is greatly reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of an embodiment of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a transverse cross-sectional view of FIG. 1;
FIG. 5 is a bottom view of FIG. 1;
FIG. 6 is a left side view of FIG. 1;
FIG. 7 is a right side view of FIG. 1;
FIG. 8 is a schematic diagram of a dry connect according to an embodiment of the present invention;
FIG. 9 is a schematic view of a dry connect vertical connection;
FIG. 10 is an enlarged fragmentary view of the dry connect vertical connection;
FIG. 11 is a schematic view of a dry connect cross connect.
In the figure
1, 1' -external wall panel; 2-hanging nails; 3-a bolt; 4-fastening a nut; 5-embedded parts; 6-hand hole; 7-a connecting plate; 8-expansive cement; 9-laminated floor slab; 11-a first tongue-and-groove; 12-a second tongue-and-groove; 13-third tongue-and-groove.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.
A dry-connect exterior wall structural system, as shown in fig. 8, comprises a plurality of prefabricated exterior wall panels 1. The left and right adjacent external wall panels 1 are connected through bolts. The top of the external wall panel 1 needs to be connected with a floor slab in a cast-in-place mode, and the bottom of the external wall panel 1 is connected with a steel plate through bolts.
In this embodiment, the main material of the prefabricated external wall panel 1 is reinforced concrete, the two ends of the external wall panel 1 are provided with L-shaped tongues and grooves, and the bottom of the external wall panel 1 is provided with L-shaped notches.
As shown in fig. 1 to 5, the prefabricated exterior wall panel 1 has a first tongue and groove 11 at a left side end, a second tongue and groove 12 at a right side end, and a third tongue and groove 13 at a lower end. Connecting pieces are embedded in the two vertical sides of the external wall panel 1, the left side end is provided with a connecting bolt 3 (shown in figure 6), and the right side end is provided with a square steel embedded piece 5 (shown in figure 7). The opening directions of the first tongue-and-groove 11 and the second tongue-and-groove 12 are opposite, when the left prefabricated external wall panel 1 and the right prefabricated external wall panel 1 are spliced, the second tongue-and-groove 12 of one prefabricated external wall panel 1 is matched with the first tongue-and-groove 11 of the other prefabricated external wall panel 1', and particularly, the tongue-and-groove between the two external wall panels 1 is connected with the fastening nut 4 through the connecting bolt 3.
The third tongue-and-groove 13 of side fascia 1 bottom also is equipped with built-in fitting 5, and the transverse connection of upper strata side fascia 1 and lower floor side fascia 1 mainly is connected through upper layer bolt 3 of plugging into, the lower floor steel sheet and fastening nut 4 pre-buried in advance.
The thickness of the first tongue-and-groove 11 and the second tongue-and-groove 12 of the external wall panel 1 is preferably half of the thickness of the external wall panel, so that the thickness of the second tongue-and-groove 12 of one prefabricated external wall panel 1 is consistent with the thickness of the external wall panel body when the second tongue-and-groove 12 of another prefabricated external wall panel 1 'is spliced with the first tongue-and-groove 11 of another manufactured external wall panel 1'.
After the two sides and the bottom of the external wall panel 1 are fastened by bolts, the upper laminated floor 9 can be hoisted without waiting for other work.
The overlapped floor slab can be inserted and inserted while being hoisted, and the hand hole 6 and the bottom rabbet of the external wall panel 1 are filled and leveled by the expansion cement 8. The expansive cement 8 is preferably a micro-expansive high-strength mortar.
All nodes in the hoisting and installing process of the whole prefabricated external wall panel 1 are connected by bolts, wet operation waiting is not needed, and construction is efficient. The vertical joints are connected by adopting groove and tongue joint, waterproof glue is coated between the grooves and the tongues, weather-resistant structural glue is coated on the outer side gap of the external wall panel 1, five waterproof measures are taken for the whole vertical joint, and the water seepage possibility of the joint is greatly reduced.
The detailed production and installation steps are as follows:
1. assembling an external wall panel 1 mould, and binding a reinforcement cage;
2. binding the square steel embedded part 5 on a reinforcement cage;
3. fixing the external wall panel 1, and vertically and horizontally connecting bolts 3;
4. installing a hand hole 6 tool;
5. pouring concrete, checking the positioning of the embedded part 5 before initial setting, and adjusting;
6. curing in a curing kiln;
7. dismantling the auxiliary tool, lifting and demolding, and checking whether the bolt hole of the embedded part 5 is blocked;
8. as shown in fig. 11, after the lower prefabricated composite floor slab is hoisted, the connecting plate 7 is installed, and the floor cast-in-place layer concrete is poured; the connecting plate 7 is typically a perforated steel plate.
9. Coating waterproof adhesive on the grooves and tongues on the two sides of the upper prefabricated external wall panel 1;
10. hoisting the upper prefabricated external wall panel 1, stacking the upper prefabricated external wall panel on the upper end of the lower prefabricated external wall, and aligning the connecting bolt 3 hole with the connecting plate 7 hole;
11. mounting the fastening nuts 4 matched with the connecting bolts 3 at the two vertical sides and the bottom of the external wall panel 1;
12. as shown in fig. 9 and 10, the hand holes 6 and the bottom tongue and groove of the external wall panel 1 are filled with the expansion cement 8;
13. and (3) treating the joints of the assembled prefabricated external wall panels 1 by using weather-resistant structural adhesive.
The above-mentioned embodiments are to be construed as illustrative and not limitative of the remainder of the disclosure, and it is to be understood that various equivalent modifications can be made without departing from the spirit and scope of the disclosure as set forth in the appended claims.
Claims (10)
1. The utility model provides a prefabricated external wall panel, includes the wallboard body, its characterized in that: the left side end of the external wall panel (1, 1') is provided with a first rabbet (11), the right side end of the external wall panel is provided with a second rabbet (12), a bolt (3) is embedded in the first rabbet (11), and an embedded part (5) with a hole is embedded in the second rabbet (12);
when the left prefabricated external wall panel and the right prefabricated external wall panel are spliced, the second rabbet (12) of one external wall panel (1) can be matched with the first rabbet (11) of the other external wall panel (1'), and the bolt (3) of the first rabbet (11) can be fixedly connected together through the fastening nut (4) after penetrating through the embedded part (5) of the second rabbet (12).
2. The prefabricated external wall panel according to claim 1, wherein: the sum of the thicknesses of the first rabbet (11) and the second rabbet (12) does not exceed the thickness of the main body of the external wall panel.
3. The prefabricated external wall panel according to claim 1, wherein: the thickness of the first rabbet (11) or the second rabbet (12) is not less than 90 mm.
4. The prefabricated exterior wall panel according to any one of claims 1 to 3, wherein: the lower end part of the external wall panel is provided with a third rabbet (13), and a bolt is pre-embedded in the third rabbet (13).
5. The prefabricated external wall panel according to claim 4, wherein: the thicknesses of the first rabbet (11) and the second rabbet (12) are smaller than that of the third rabbet (13).
6. The prefabricated external wall panel according to claim 4, wherein: the opening direction of the third tongue-and-groove (13) is consistent with that of the first tongue-and-groove (11) and opposite to that of the second tongue-and-groove (12).
7. The prefabricated exterior wall panel according to any one of claims 1 to 3, wherein: the first rabbet (11) and the second rabbet (12) have equal lengths extending along the side end face of the external wall panel.
8. A dry-type connection outer wall is characterized in that: the prefabricated outer wall panel comprises a plurality of prefabricated outer wall panels (1,1 '), a left prefabricated outer wall panel and a right prefabricated outer wall panel (1,1 ') are matched and connected, a second rabbet (12) of the left outer wall panel (1) is matched with a first rabbet (11) of the right outer wall panel (1 '), and a bolt of the first rabbet (11) penetrates through an embedded part (5) of the second rabbet (12) and then is fixedly connected together through a fastening nut (4).
9. The dry-connect exterior wall of claim 8, wherein: the seam crossing of a side fascia (1) and a side fascia (1) on the left side is equipped with five waterproof in proper order from outer to interior, is respectively: outer layer weather-resistant structural adhesive, outer side concrete rabbet, waterproof adhesive between the first rabbet (11) and the second rabbet (12), inner side concrete rabbet and inner side weather-resistant structural adhesive.
10. The dry-connect exterior wall of claim 8, wherein: hand holes (6) are formed in embedded parts (5) with embedded holes of the second rabbet (12), and expansion cement (8) is filled in the hand holes (6) after the left and right external wall boards (1, 1') are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023320551.6U CN214329561U (en) | 2020-12-31 | 2020-12-31 | Prefabricated external wall panel and dry-type connection external wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023320551.6U CN214329561U (en) | 2020-12-31 | 2020-12-31 | Prefabricated external wall panel and dry-type connection external wall |
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| Publication Number | Publication Date |
|---|---|
| CN214329561U true CN214329561U (en) | 2021-10-01 |
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| CN202023320551.6U Active CN214329561U (en) | 2020-12-31 | 2020-12-31 | Prefabricated external wall panel and dry-type connection external wall |
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| CN (1) | CN214329561U (en) |
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