CN210032252U - Connecting joint of upper and lower prefabricated external wall panel and beam - Google Patents
Connecting joint of upper and lower prefabricated external wall panel and beam Download PDFInfo
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- CN210032252U CN210032252U CN201920168597.9U CN201920168597U CN210032252U CN 210032252 U CN210032252 U CN 210032252U CN 201920168597 U CN201920168597 U CN 201920168597U CN 210032252 U CN210032252 U CN 210032252U
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Abstract
The utility model discloses a connecting joint of an upper prefabricated external wall panel, a lower prefabricated external wall panel and a beam, which comprises an upper prefabricated external wall panel, a lower prefabricated external wall panel, a beam and a connecting assembly, wherein the connecting assembly comprises a plug board base, a connecting plug board, a fastener and a plugging plate; the picture peg base anchor is in the top side of roof beam, connect the picture peg and include stiff end and link, the top side of connecting the picture peg link is provided with vertical regulating part on the surface, the fastener will be connected the picture peg stiff end and be in the same place with the picture peg base is fixed, connect the picture peg and set up between prefabricated exterior wall panel and lower prefabricated exterior wall panel, it is provided with the turn-ups of upwards extending and the turn-ups of downwardly extending down to connect the picture peg link, it is provided with and goes up turn-ups complex lower fixed slot to go up prefabricated exterior wall panel bottom side, lower prefabricated exterior wall panel top side is provided with and turns up turn-ups complex upper fixed slot down, shutoff board bottom side card is filled in the piece of prefabricated exterior wall panel and roof beam down. This scheme can realize that a connecting piece will go up the fixed connection of prefabricated side fascia and roof beam down simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the assembly type structure, specifically speaking, the utility model relates to a connected node of upper and lower prefabricated side fascia and roof beam.
Background
In the assembled monolithic frame structure building, the bottom side of the prefabricated external wall panel needs to be fixed on the beam of the next floor, and the top side of the prefabricated external wall panel needs to be fixed on the beam of the current floor. The connection mode between the external wall panel and the beam can be different according to the difference that the beam adopts the fully precast beam and the superposed beam. When the composite beam is adopted in the prior art, two connecting pieces are adopted, wherein one connecting piece is used for connecting and fixing the bottom side of the external wall panel with the beam on the next layer, and the other connecting piece is used for connecting and fixing the top side of the external wall panel with the beam on the current layer. For example, a utility model with the publication number of CN204728474U entitled "prefabricated external wall panel connection box" discloses a connection piece for external wall panels and superposed beams; realize the side fascia through the pre-buried connection box in side fascia upper portion and work as the connection between the layer roof beam fixed, realize the connection between side fascia and the lower floor roof beam fixed through the pre-buried steel sheet in side fascia bottom. And the node of the external wall panel connected with the superposed beam adopts a pre-embedded connecting piece at the bottom of the precast beam for fixedly connecting the upper part of the external wall panel on the current layer, and a pre-embedded connecting piece at the cast-in-place layer of the beam is used for connecting the lower part of the upper external wall panel. The connecting pieces and the connecting modes of the prefabricated external wall panels and the beams have the technical problems that the connecting pieces need to be embedded when prefabricated pieces are produced in factories, the precision requirement is high, the operation during production and assembly is complex, the connecting pieces are exposed, the attractiveness is affected, and the like. And because the horizontal abutted seams of about 20mm exist between the upper prefabricated external wall panel and the lower prefabricated external wall panel, although the rubber strips and the waterproof glue are clamped and plugged on the outdoor sides of the abutted seams, rainwater is easy to flow into the indoor sides through the abutted seams after the outdoor side of the abutted seams is aged for a long time; and once the outer wall of the fabricated building has water leakage, the water leakage is difficult to repair.
To sum up, need urgent research and development a type of connected node of upper and lower prefabricated side fascia and roof beam, realize that a connecting piece will go up the fixed connection of prefabricated side fascia and roof beam down simultaneously, have good waterproof performance simultaneously.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the utility model provides a connected node of upper and lower prefabricated side fascia and roof beam, realize that the pre-buried coupling assembling of a department satisfies being connected of prefabricated side fascia and roof beam about promptly simultaneously, coupling assembling's simple structure, with low costs price, on-the-spot simple installation, the connected node of the side fascia and roof beam that use this coupling assembling is not harsh to the required precision when the assembly construction, and fault-tolerant strong, the node is hidden and is not influenced beautifully, and waterproof performance is good.
In order to realize the purpose, the utility model discloses the technical scheme who takes does:
a connecting joint of an upper prefabricated external wall panel, a lower prefabricated external wall panel and a beam comprises the upper prefabricated external wall panel, the lower prefabricated external wall panel, the beam and a connecting assembly, wherein the connecting assembly comprises an inserting plate base, a connecting inserting plate, a fastener and a plugging plate; the picture peg base anchor in the top side of roof beam, connect the picture peg and include stiff end and link, the top side of connecting the picture peg link is provided with vertical regulating part on the surface, the fastener will connect the picture peg the stiff end with the picture peg base is together fixed, connect the picture peg set up in go up the prefabricated wall panel and down between the prefabricated wall panel, connect the picture peg link be provided with the turn-ups that upwards extends and downwardly extending's turn-ups down, go up prefabricated wall panel bottom side be provided with go up turn-ups complex lower fixed slot, prefabricated wall panel top side be provided with down with turn-ups complex goes up the fixed slot, shutoff board bottom side card stopper in the piece between prefabricated wall panel and the roof beam down, and the shutoff is stopped up horizontal piece between the prefabricated wall panel under, between the prefabricated wall panel.
On the basis of the above embodiment, it is more preferable that the thickness of the blocking plate is smaller than the width of the joint between the lower prefabricated external wall panel and the beam, the length of the blocking plate is smaller than or equal to the length of the beam, and a convex strip which is horizontally jointed with the upper prefabricated external wall panel and the lower prefabricated external wall panel is arranged on one side surface of the blocking plate.
More preferably, the bottom side of the insert plate base is provided with at least one anchoring leg which is anchored in the concrete of the top side of the beam.
More preferably, the plugboard base is of a box body structure with four enclosed sides and a hollow interior, and the hollow interior size of the plugboard base is matched with the fixed end of the connecting plugboard.
More preferably, the number of the upper flange and the lower flange is at least one.
More preferably, the length of the upper flange is longer than that of the lower flange.
More preferably, vertical adjusting part is the adjusting bolt subassembly that is fixed in, the adjusting bolt subassembly includes adjusting bolt and nut, connect the picture peg link be provided with adjusting bolt end complex fixed orifices, the nut will adjusting bolt fixes connect the picture peg link.
More preferably, the fixed end of the connecting insert plate is provided with at least one groove or kidney-shaped hole, and the length and width of the groove or kidney-shaped hole are larger than those of the tail end of the fastener.
More preferably, the top side of the board base is provided with at least one fastening hole matched with the fastening piece.
More preferably, the size of the lower fixing groove is larger than that of the upper flange, and the size of the upper fixing groove is larger than that of the lower flange.
More preferably, the beam is a composite beam and comprises a bottom prefabricated layer and a top cast-in-place layer, and the anchoring legs are anchored in the concrete of the cast-in-place layer on the top side of the composite beam.
The technical scheme of the utility model the beneficial technological effect who gains is:
(1) the connecting assembly of the prefabricated external wall panel and the beam in the scheme does not need to be pre-embedded in the factory production stage of the prefabricated part, so that the production difficulty of the prefabricated part is reduced, and the production efficiency is improved;
(2) the connecting assembly can simultaneously realize the fixed connection between the external wall panels and the beams on the upper and lower surfaces; the waterproof performance of the joints of the upper prefabricated external wall panel and the lower prefabricated external wall panel is ensured, and the hidden danger of water leakage is reduced greatly;
(3) the parts of the connecting assembly are easy to process, and the production cost is low; when the connecting assembly is installed on site, only bolt fastening is needed, and the installation is simple; a gap is reserved between the plug board base and the plug board, so that the fault tolerance in the three-dimensional direction can be realized;
(4) the prefabricated external wall panel and the beam connecting joint adopting the connecting assembly can slide relatively between the upper prefabricated external wall panel and the lower prefabricated external wall panel and the connecting assembly, the load conduction is excellent, the anti-seismic performance is good, the connecting assembly is good in concealment, and the indoor attractiveness is not influenced.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation.
Fig. 1 is a schematic perspective view of the middle insert plate base of the present invention;
FIG. 2 is a schematic perspective view of the connection board of the present invention;
fig. 3 is a schematic view of a three-dimensional structure of the upper and lower prefabricated external wall panels and beams connected by connecting components (no plugging plate is shown);
FIG. 4 is a vertical cross-sectional view of the upper and lower prefabricated exterior wall panels and beams connected by the connection assembly (illustrating the closure panel);
reference numerals: 1-an inserting plate base, 2-a connecting inserting plate, 3-a fixed end, 4-a connecting end, 5-a fastener, 6-an upper flanging, 7-a lower flanging, 8-a fastening hole, 9-a groove, 10-an adjusting bolt component, 11-an anchoring supporting leg, 12-a superposed beam, 13-a prefabricated layer, 14-a cast-in-place layer, 15-an upper prefabricated external wall plate, 16-a lower fixing groove, 17-a lower prefabricated external wall plate, 18-an upper fixing groove, 19-a bearing layer, 20-a heat insulation layer, 21-an external facing, 22-a containing groove, 23-a fixing hole and 24-a blocking plate.
Detailed Description
The present invention will be described in detail with reference to the drawings, which are provided for illustrative and explanatory purposes only and should not be construed as limiting the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.
Referring to fig. 3, the connection node of the upper and lower prefabricated external wall panels 17 and the beam of the present embodiment includes an upper prefabricated external wall panel 15, a lower prefabricated external wall panel 17, a beam and a connection assembly. The upper prefabricated external wall panel 17 and the lower prefabricated external wall panel 17 respectively comprise a bearing layer 19, an insulating layer 20 and an external facing 21 which are sequentially layered from the inner side to the outer side. In this embodiment the beam is a composite beam 12 comprising a bottom prefabricated layer 13 and a top cast-in-place layer 14.
Referring to figures 1 and 2, the connector assembly comprises a board base 1, a fastener 5 (not shown) for connecting the boards 2 to secure them together, and a blanking panel 24. The connection inserting plate 2 comprises a fixed end 3 and a connecting end 4, and the connecting end 4 of the connection inserting plate 2 is provided with an upper flanging 6 extending upwards and a lower flanging 7 extending downwards. In this embodiment, the number of the upper turned edge 6 and the lower turned edge 7 is one, and the length of the upper turned edge 6 is longer than that of the lower turned edge 7. In other embodiments, 2 or more upper and lower flanges 7 may be provided. The fixed end 3 of the connecting inserting plate 2 is provided with at least one groove 9, and the length and the width of the groove 9 are larger than those of the tail end of the fastening piece 5. The bottom side of the plugboard base is provided with at least one anchoring supporting leg 11, the plugboard base is of a box body structure which is enclosed on four sides and is hollow inside, and the hollow inside size of the plugboard base is matched with the fixed end 3 of the connecting plugboard 2. The top side of the board base is provided with at least one fastening hole 8 which is matched with the fastening piece 5. The fastening member 5 in this embodiment is a bolt, and the fixing end 3 of the connection inserting plate 2 is inserted into the inserting plate base 1, and then the bolt is inserted into the fastening hole 8 at the top side of the inserting plate base 1, so as to fasten the connection inserting plate 2 and the inserting plate base 1 together.
Referring to the schematic diagrams 3 and 4, the bottom side of the bearing layer 19 of the upper prefabricated external wall panel 15 is provided with a lower fixing groove 16 matched with the upper flange 6 of the connecting component, and the top side of the bearing layer 19 of the lower prefabricated external wall panel 17 is provided with an upper fixing groove 18 matched with the lower flange 7 of the connecting component. The upper fixing groove 18 is larger than the upper flange 6 of the connecting component, and the upper fixing groove 18 is larger than the lower flange 7 of the connecting component. The thickness of the plugging plate 24 is slightly smaller than the width of a splicing seam between the beam and the external wall panel, the length of the plugging plate 24 is smaller than or equal to that of the beam, and one side surface of the plugging plate 24 is provided with a convex strip which is horizontally spliced with the upper prefabricated external wall panel 17 and the lower prefabricated external wall panel 17; the bottom side end of the plugging plate 24 is clamped in the seam between the lower prefabricated external wall panel 17 and the beam, and the horizontal seam between the upper prefabricated external wall panel 15 and the lower prefabricated external wall panel 17 is plugged by the figure strips on the side surface of the plugging plate. In this embodiment, the blocking strip is provided with a gap matching with the width of the connection insertion plate 2, so as to avoid interference between the blocking strip and the connection insertion plate 2. The blocking plate 24 is arranged, so that rainwater and the like penetrating from the horizontal abutted seam between the upper prefabricated external wall panel 17 and the lower prefabricated external wall panel 17 can be effectively prevented from entering the room, and the waterproof performance of the building is improved. Continuing with the schematic illustration of fig. 4, the insert plate bases 1 are anchored to the top side of the beam, the connecting insert plates 2 are placed between the upper prefabricated external wall panel 15 and the lower prefabricated external wall panel 17, and the anchoring legs 11 are anchored in the concrete of the cast-in-place layer 14 on the top side of the composite beam 12. In other embodiments the beam is a fully precast beam, so that the insert plate bases 1 are pre-embedded in the concrete on the top side of the beam when producing the precast beam. With continued reference to the schematic view of fig. 4, the connection board 2 is provided with vertical adjustment members on the top surface of the connection end 4. Vertical adjusting part is adjusting bolt subassembly 10 for being fixed in on connecting picture peg 2, and adjusting bolt subassembly 10 includes adjusting bolt and nut, and connecting picture peg 2 link 4 is provided with adjusting bolt end complex fixed orifices 23, and the nut is fixed adjusting bolt at connecting picture peg 2 link 4.
In another preferred embodiment, the recess 9 connecting the fixed end 3 of the insert plate 2 may also be provided as a kidney-shaped hole.
With continued reference to fig. 4, in another embodiment, the exterior wall panel includes only the load bearing layer 19, without the insulating layer 20 and exterior facing 21. The top side of the bearing layer 19, on the side adjacent to the beam, is not provided with a receiving groove 22.
Referring to fig. 3 and 4, the general construction steps of the connection node of the outer wall panel and the beam in the present embodiment are described:
(1) when the plate is prefabricated in a factory, an upper fixing groove 18 and a lower fixing groove 16 are reserved on the top side and the bottom side of a bearing layer 19 at the junction of the bearing layer and a heat-insulating layer 20, wherein a containing groove 22 matched with the connecting inserting plate 2 in size is reserved on one side, close to a beam, of the top side of the bearing layer 19; the laminated beam 12 is prefabricated with a prefabricated layer 13 part in a factory;
(2) transporting the external wall panel and the beam to a construction site, placing the inserting plate base 1 on the top side of the prefabricated layer 13 of the beam, and sealing fastening holes 8 at the two ends and the top of the inserting plate base 1 by using adhesive tapes and the like to prevent concrete from entering; pouring cast-in-place layer 14 concrete on the upper part of the superposed beam 12, and embedding the inserting plate base 1 in the cast-in-place concrete;
(3) hoisting and positioning the lower prefabricated external wall panel 17, inserting the fixed end 3 of the connecting plugboard 2 into the plugboard base 1, and inserting the lower flanging 7 of the connecting end 4 into an upper fixing groove 18 reserved on the top side of the lower prefabricated external wall panel 17;
(4) adjusting the gap between the lower prefabricated external wall panel 17 and the beam, placing a plugging plate 24 at the gap between the lower prefabricated external wall panel 17 and the beam after the distance is qualified, placing a raised strip of the plugging plate 24 on the top side of the lower prefabricated external wall panel 17, and then screwing a bolt of a fastener 5 on the upper part of the inserting plate base 1 to complete the connection between the upper end of the lower prefabricated external wall panel 17 and the beam;
(5) measuring the height of the top mark of the adjusting bolt on the connecting inserting plate 2, adjusting the height to a required value, and then locking;
(6) hoisting and positioning the upper prefabricated external wall panel 15, sleeving a lower fixing groove 16 of the upper prefabricated external wall panel 15 on an upper flanging 6 of the connecting end 4 of the connecting plug board 2, and placing the indoor bottom side of the upper prefabricated external wall panel 15 on the raised line of the plugging board 24;
(7) measuring the levelness of the upper prefabricated external wall panel 15, if the deviation exceeds an allowable value, hoisting the upper prefabricated external wall panel 15, and then screwing the nut of the adjusting bolt assembly 10 to adjust the height of the bolt to reach a target value;
(8) adjusting the gap between the bottom of the upper prefabricated external wall panel 15 and the beam, and performing construction operation of the upper layer after the gap is qualified;
when the external wall panel is constructed, the lower end of the external wall panel is connected with the beam on the next layer, and then the top side of the external wall panel is connected with the beam on the layer.
The connecting node of upper and lower prefabricated exterior wall panel 17 and roof beam in this scheme, through coupling assembling can be convenient will go up prefabricated exterior wall panel 15 and prefabricated exterior wall panel 17 is connected fixedly together with the roof beam down, need not pre-buried connecting piece when the production side fascia of mill, only need with picture peg base 1 anchor in the top side of roof beam, will connect picture peg 2 and picture peg base 1 during site operation again through fastener 5 fixed can together. The tail ends of the connecting inserting plates 2 are respectively turned downwards and upwards, so that the upper and lower external wall plates can be hooked at the same time, and the upper and lower prefabricated external wall plates 17 can slide relatively; the plugging plate 24 is used for preventing rainwater on the outdoor side from entering the indoor side through the abutted seams between the upper prefabricated external wall panel 17 and the lower prefabricated external wall panel 17; a gap is reserved between the plug board base 1 and the plug board, so that the fault tolerance in the three-dimensional direction can be realized; the connecting inserting plate 2 is provided with a threaded hole, a bolt with a nut can be screwed in to adjust the height of the upper external hanging wall, and the nut is used for locking the bolt; the plugboard base 1 is provided with a threaded hole, and a fastening bolt is arranged on the plugboard base 1, so that the tight fit between the connecting plugboard 2 and the plugboard base 1 can be realized, and the drawknot of the external wall in the horizontal direction can be realized; the rear end of the connecting plug board 2 is provided with a groove 9, a fastening bolt at the rear end of the plug board base 1 can be propped against the groove 9, and the size of the groove 9 is 10-20mm larger than that of the fastening bolt, so that the connecting plug board 2 is used for fault tolerance in the horizontal direction and can be well prevented from being pulled out.
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 (10)
1. A connecting joint of an upper prefabricated external wall panel, a lower prefabricated external wall panel and a beam comprises the upper prefabricated external wall panel, the lower prefabricated external wall panel, the beam and a connecting assembly, and is characterized in that the connecting assembly comprises a plug board base, a connecting plug board, a fastener and a plugging plate; the picture peg base anchor in the top side of roof beam, connect the picture peg and include stiff end and link, the top side of connecting the picture peg link is provided with vertical regulating part on the surface, the fastener will connect the picture peg the stiff end with the picture peg base is together fixed, connect the picture peg set up in go up the prefabricated wall panel and down between the prefabricated wall panel, connect the picture peg link be provided with the turn-ups that upwards extends and downwardly extending's turn-ups down, go up prefabricated wall panel bottom side be provided with go up turn-ups complex lower fixed slot, prefabricated wall panel top side be provided with down with turn-ups complex goes up the fixed slot, shutoff board bottom side card stopper in the piece between prefabricated wall panel and the roof beam down, and the shutoff is stopped up horizontal piece between the prefabricated wall panel under, between the prefabricated wall panel.
2. The connection node of the upper and lower prefabricated external wall panels and the beam as claimed in claim 1, wherein the thickness of the blocking plate is smaller than the width of the joint between the lower prefabricated external wall panel and the beam, the length of the blocking plate is smaller than or equal to the length of the beam, and a convex strip horizontally jointed with the upper and lower prefabricated external wall panels is arranged on one side surface of the blocking plate.
3. The connection node of upper and lower prefabricated external wall panels and beams as claimed in claim 2, wherein the inserting plate base is a box structure with four sides enclosing and a hollow inside, and the hollow inside size of the inserting plate base is matched with the fixed end of the connecting inserting plate.
4. The connection node of the upper and lower prefabricated external wall panels and the beam as claimed in claim 2, wherein the number of the upper and lower flanges is at least one.
5. The connection node of the upper and lower prefabricated external wall panels and the beam as claimed in claim 4, wherein the length of the upper flange is longer than that of the lower flange.
6. The connection node of upper and lower prefabricated external wall panels and beams as claimed in claim 1, wherein the vertical adjustment member is a fixed adjustment bolt assembly, the adjustment bolt assembly comprises an adjustment bolt and a nut, the connection insertion plate connection end is provided with a fixing hole matched with the tail end of the adjustment bolt, and the nut fixes the adjustment bolt at the connection insertion plate connection end.
7. The connection node of the upper and lower prefabricated external wall panels and the beams as claimed in any one of claims 1 to 6, wherein the fixed end of the connection plate is provided with at least one groove or kidney-shaped hole, and the length and width of the groove or kidney-shaped hole are greater than the length and width of the end of the fastening member.
8. The upper and lower prefabricated external wall panel and beam connection node as claimed in claim 7, wherein the bottom side of said insert plate base is provided with at least one anchoring leg anchored in the concrete of the top side of said beam.
9. The connection node of upper and lower prefabricated external wall panels and beams as claimed in claim 7, wherein the size of the lower fixing groove is larger than that of the upper flanging, and the size of the upper fixing groove is larger than that of the lower flanging.
10. The upper and lower prefabricated wall panel and beam connection node of claim 8, wherein the beam is a composite beam comprising a bottom prefabricated layer and a top cast-in-place layer, the anchoring legs being anchored in the concrete of the cast-in-place layer on the top side of the composite beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920168597.9U CN210032252U (en) | 2019-01-30 | 2019-01-30 | Connecting joint of upper and lower prefabricated external wall panel and beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920168597.9U CN210032252U (en) | 2019-01-30 | 2019-01-30 | Connecting joint of upper and lower prefabricated external wall panel and beam |
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| Publication Number | Publication Date |
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| CN210032252U true CN210032252U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920168597.9U Active CN210032252U (en) | 2019-01-30 | 2019-01-30 | Connecting joint of upper and lower prefabricated external wall panel and beam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115419190A (en) * | 2022-09-30 | 2022-12-02 | 重庆渝发建设有限公司 | Superposed wall cast-in-place concrete combination structure and construction method thereof |
-
2019
- 2019-01-30 CN CN201920168597.9U patent/CN210032252U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115419190A (en) * | 2022-09-30 | 2022-12-02 | 重庆渝发建设有限公司 | Superposed wall cast-in-place concrete combination structure and construction method thereof |
| CN115419190B (en) * | 2022-09-30 | 2023-11-03 | 重庆渝发建设有限公司 | Construction method of cast-in-place concrete combined structure of superposed wall |
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