CN217079243U - Prefabricated wallboard connected node - Google Patents
Prefabricated wallboard connected node Download PDFInfo
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- CN217079243U CN217079243U CN202220707598.8U CN202220707598U CN217079243U CN 217079243 U CN217079243 U CN 217079243U CN 202220707598 U CN202220707598 U CN 202220707598U CN 217079243 U CN217079243 U CN 217079243U
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Abstract
The utility model discloses a prefabricated wallboard connecting node, the end part of a first prefabricated wallboard is provided with a first bulge and a first groove, the end part of a second prefabricated wallboard is provided with a second groove, the first bulge and the inner surface of the second prefabricated wallboard are correspondingly arranged, the first groove and the second groove are correspondingly arranged, and the area where the cavity formed by the first groove and the second groove is located is formed into a cast-in-place part; be provided with first pre-buried sleeve in the first prefabricated wallboard, be provided with the pre-buried sleeve of second in the prefabricated wallboard of second, be provided with first screw rod in the first pre-buried sleeve, be provided with the second screw rod in the pre-buried sleeve of second, the one end of first screw rod and the one end of second screw rod all with connecting sleeve threaded connection, first screw rod and the coaxial just first screw rod of second screw rod revolve to opposite direction with the second screw rod. The utility model discloses a prefabricated wallboard connected node and construction method is favorable to improving joint strength, simplifies the construction process, improves the efficiency of construction.
Description
Technical Field
The utility model relates to a prefabricated wallboard connected node belongs to assembly type structure technical field.
Background
The connection of adjacent prefabricated wall panels of the same floor has an important influence on the overall strength of the prefabricated building. In order to improve the waterproof and sound insulation performance, the joint of the adjacent prefabricated wall panels is usually cast in situ. For example, the chinese patent application with publication number CN107916730A discloses a connecting node of adjacent wall panels and a construction method thereof. The cast-in-place concrete wall is mainly characterized in that connecting steel bars are arranged at the end parts of the prefabricated wall boards in a protruding mode, the connecting steel bars of adjacent prefabricated wall boards are overlapped (mutually overlapped) in the vertical direction, then the vertical connecting steel bars are arranged in the overlapped area, and then the area where the connecting steel bars and the vertical steel bars are located is poured to form the cast-in-place part.
The technical scheme has the following problems in practical application.
1. The connecting reinforcement of adjacent prefabricated wallboard can not be in on the same level, and this just causes very big difficulty for the inside reinforcing bar of prefabricated wallboard is pre-buried for the embedded reinforcement of each prefabricated wallboard needs solitary design. Is not beneficial to improving the production efficiency of the prefabricated wall panel. And once the horizontal height of connecting reinforcing bars is designed to be wrong, the adjacent prefabricated wall boards can not be in normal butt joint connection.
2. Formworks need to be arranged on both sides of the prefabricated wall panel to provide the space required for pouring concrete. The fixing of the template needs to be carried out through the inclined strut or the counter-pulling screw rod, and the construction efficiency is not favorably improved.
SUMMERY OF THE UTILITY MODEL
In order to avoid the mutual overlap joint's of the connecting reinforcement problem of adjacent prefabricated wallboard among the prior art, the utility model provides a prefabricated wallboard connected node and construction method, concrete technical scheme is as follows.
Prefabricated wallboard connected node, including adjacent mutually perpendicular's prefabricated wallboard of first and second, its characterized in that:
the end part of the first prefabricated wall board is provided with a first protrusion and a first groove which extend along the vertical direction, the first groove is opened towards the end side and the inner side of the first prefabricated wall board, the second prefabricated wall board is provided with a second groove which extends along the vertical direction, the first protrusion is arranged corresponding to the inner surface of the second prefabricated wall board, the first groove and the second groove are arranged corresponding to each other, and the area of a cavity formed by the first groove and the second groove is formed into a cast-in-place part;
the novel wall plate is characterized in that a first pre-buried sleeve is arranged in the first prefabricated wall plate, the opening of the first pre-buried sleeve faces towards the first groove, a second pre-buried sleeve is arranged in the second prefabricated wall plate, the opening of the second pre-buried sleeve faces towards the second groove, a first screw rod is arranged in the first pre-buried sleeve, a second screw rod is arranged in the second pre-buried sleeve, one end of the first screw rod and one end of the second screw rod are both in threaded connection with the connecting sleeve, and the first screw rod and the second screw rod are coaxial and are opposite in rotating direction.
By adopting the technical scheme, the first bulge can be used as an external template of the cast-in-place part, so that the support system of the module is simplified, and the construction efficiency is improved; in addition, the first screw rod and the second screw rod are rigidly connected through the connecting sleeve, compared with the prior art, the connecting strength and the reliability of the adjacent prefabricated wall boards can be obviously improved, meanwhile, the rotating directions of the first screw rod and the second screw rod are opposite, and the distance between the two adjacent prefabricated wall boards can be properly adjusted by rotating the connecting sleeve; simultaneously, above-mentioned technical scheme has still avoided the problem of the mutual overlap joint of the connecting reinforcement of prefabricated wallboard tip among the prior art.
Further, a seal is disposed between the first projection and the inner surface of the second prefabricated wall panel. The seal may be a sealant and/or a foam bar. The sealing member can prevent concrete slurry from leaking when the cast-in-place part is poured, and the sealing member can play a waterproof effect as a vertical joint waterproof structure during normal use.
Further, the first prefabricated wall panel is provided with a first horizontally extending steel bar, and a part of the first horizontally extending steel bar is positioned in the first groove; the second prefabricated wall panel is provided with a second horizontally extending steel bar, and a part of the second horizontally extending steel bar is positioned in the second groove; prefabricated wallboard connected node is still including horizontal stirrup, horizontal stirrup be located in the cavity, just horizontal stirrup simultaneously with the reinforcing bar is stretched out to first level with the reinforcement and/or welded fastening are stretched out to the second level.
Furthermore, a first vertical steel bar is arranged in the first groove, and the first vertical steel bar is bound and/or welded with the horizontal stirrup and the first horizontal extending steel bar; and a second vertical steel bar is arranged in the second groove, and the second vertical steel bar is bound and/or welded with the horizontal stirrup and the second horizontally extending steel bar. Through setting up horizontal stirrup, first vertical reinforcing bar, the vertical reinforcing bar of second, can improve the connection reliability of adjacent prefabricated wallboard.
Furthermore, the first prefabricated wall panel and the second prefabricated wall panel are internally provided with embedded column vertical steel bars and embedded column stirrups which are mutually bound and/or welded and fixed. Preferably, all be provided with pre-buried connecting box in first prefabricated wallboard, the prefabricated wallboard of second, pre-buried connecting box is located the regional scope that the vertical reinforcing bar of hidden column and hidden column stirrup formed. Through setting up the vertical reinforcing bar of hidden post and hidden post stirrup for the inside hidden post that forms of prefabricated wallboard is favorable to improving the intensity of prefabricated wallboard, sets up pre-buried connecting box in the hidden post, is favorable to improving the connection reliability of prefabricated wallboard in below. As the embedded junction box, a junction box disclosed in patent document 1 (publication No. CN206233376U) can be used.
Further, the second prefabricated wall panel comprises a first part and a second part spliced with each other, the end of the first part is provided with an end groove, the end of the second part is also provided with an end groove, and the end groove of the first part and the end groove of the second part form the second groove together; the first part and/or the second part are/is provided with the second embedded sleeve.
The utility model discloses a prefabricated wallboard connected node and construction method is favorable to improving joint strength, simplifies the construction process, improves the efficiency of construction.
Drawings
Fig. 1 is a schematic view (horizontal cross-section, same below) of a first prefabricated wall panel of embodiment 1 of the present invention;
figure 2 is a schematic view of a second prefabricated wall panel of embodiment 1 of the present invention;
fig. 3 is a schematic view of the first prefabricated wall panel and the second prefabricated wall panel of embodiment 1 of the present invention in butt joint;
fig. 4 is a construction schematic view of a prefabricated wall panel connection node according to embodiment 1 of the present invention;
fig. 5 is a schematic view of a prefabricated wall panel connection node according to embodiment 1 of the present invention;
FIG. 6 is a schematic view of a U-shaped rebar;
figure 7 is a schematic view of a second prefabricated wall panel of embodiment 2 of the present invention;
fig. 8 is the utility model discloses prefabricated wallboard connected node construction sketch map of embodiment 2.
In the figure: first prefabricated wallboard 1, first protruding 1.1, first recess 1.2, reinforcing bar 1.3 is stretched out to first level, first vertical reinforcing bar 1.4, prefabricated wallboard 2 of second, the first part 2.1, second recess 2.2, reinforcing bar 2.3 is stretched out to the second level, the vertical reinforcing bar 2.4 of second, the second part 2.5, cavity 3, cast-in-place portion 4, first pre-buried sleeve 5, the pre-buried sleeve 6 of second, first screw rod 7, second screw rod 8, connecting sleeve 9, sealing member 10, horizontal stirrup 11, the vertical reinforcing bar 12 of dark post, dark post stirrup 13, pre-buried connecting box 14, U shaped steel bar 15, template 16, tip recess 17.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1
Referring to fig. 1-6, a prefabricated wall panel connection node, comprising a first prefabricated wall panel 1 and a second prefabricated wall panel 2 adjacent to each other in a perpendicular direction, the end of the first prefabricated wall panel 1 having a first protrusion 1.1 and a first groove 1.2 extending in a vertical direction, the first groove 1.2 being open to the end side and the inner side of the first prefabricated wall panel 1, the end of the second prefabricated wall panel 2 having a second groove 2.2 extending in a vertical direction, the first protrusion 1.1 and the inner surface of the second prefabricated wall panel 2 being arranged in correspondence, the first groove 1.2 and the second groove 2.2 being arranged in correspondence, and the area of a cavity 3 formed by the first groove 1.2 and the second groove 2.2 together being formed as a cast-in-place part 4;
be provided with first pre-buried sleeve 5 in the first prefabricated wallboard 1, the opening of first pre-buried sleeve 5 is towards first recess 1.2, be provided with the pre-buried sleeve 6 of second in the prefabricated wallboard 2 of second, the opening of the pre-buried sleeve 6 of second is towards second recess 2.2, be provided with first screw rod 7 in the first pre-buried sleeve 5, be provided with second screw rod 8 in the pre-buried sleeve 6 of second, the one end of first screw rod 7 and the one end of second screw rod 8 all with connecting sleeve 9 threaded connection, first screw rod 7 and the coaxial and first screw rod 7 of second screw rod 8 and the rotation of second screw rod 8 are opposite (promptly, one of them screw rod is the left-handed thread, another screw rod is the right-handed thread).
First prefabricated wall panel 1 and second prefabricated wall panel 2 lie in the same plane. Namely, the first prefabricated wall panel 1 and the second prefabricated wall panel 2 are connected in a straight line shape;
a sealing element 10 is arranged between the first protrusion 1.1 and the inner surface of the second prefabricated wall panel 2. The seal 10 may employ a sealant and/or a foam bar. When cast-in-place portion 4 is pour, sealing member 10 can prevent that concrete slurry from leaking thick liquid, and during normal use, sealing member 10 can play waterproof effect as perps waterproof construction.
The first prefabricated wall panel 1 is provided with a first horizontal extending steel bar 1.3, a part of the first horizontal extending steel bar 1.3 is positioned in the first groove 1.2, and a part of the first horizontal extending steel bar 1.3 is anchored in the first prefabricated wall panel 1; the second prefabricated wall panel 2 is provided with a second horizontally extending steel bar 2.3, a part of the second horizontally extending steel bar 2.3 is positioned in the second groove 2.2, and a part of the second horizontally extending steel bar 2.3 is anchored inside the second prefabricated wall panel 2; prefabricated wallboard connected node is still including horizontal stirrup 11, and horizontal stirrup 11 be located cavity 3, and horizontal stirrup 11 stretches out reinforcing bar 1.3 and the second level simultaneously with first level and stretches out reinforcing bar 2.3 ligature and/or welded fastening.
A first vertical steel bar 1.4 is arranged in the first groove 1.2, and the first vertical steel bar 1.4 is bound and/or welded with the horizontal stirrup 11 and the first horizontal extension steel bar 1.3; and a second vertical steel bar 2.4 is arranged in the second groove 2.2, and the second vertical steel bar 2.4 is bound and/or welded with the horizontal stirrup 11 and the second horizontally extending steel bar 2.3. Through setting up horizontal stirrup 11, first vertical reinforcing bar 1.4, the vertical reinforcing bar of second 2.4, can improve the connection reliability of adjacent prefabricated wallboard.
The built-in column vertical steel bars 12 and the built-in column stirrups 13 which are mutually bound and/or welded and fixed are arranged in the first prefabricated wall plate 1 and the second prefabricated wall plate 2. Preferably, all be provided with pre-buried connecting box 14 in first prefabricated wallboard 1, the prefabricated wallboard 2 of second, pre-buried connecting box 14 is located the regional scope that dark post vertical reinforcement 12 and dark post stirrup 13 formed. Through setting up the vertical reinforcing bar of hidden post 12 and hidden post stirrup 13 for the inside hidden post that forms of prefabricated wallboard is favorable to improving the intensity of prefabricated wallboard, sets up pre-buried connecting box 14 in the hidden post, is favorable to improving the connection reliability of prefabricated wallboard in below. As the embedded junction box 14, a junction box disclosed in patent document 1 (publication No. CN206233376U) can be used.
The construction method of the prefabricated wallboard connecting joint mainly comprises the following steps:
1) installing a first screw 7 into the first embedded sleeve 5, and installing a second screw 8 into the second embedded sleeve 6;
2) hoisting the first prefabricated wall plate 1 and the second prefabricated wall plate 2, and connecting the first screw rod 7 and the second screw rod 8 through the connecting sleeve 9; preferably, when first prefabricated wall panel 1 and second prefabricated wall panel 2 are hoisted in the air, connecting sleeve 9 is threadedly connected with first screw 7 and second screw 8; when first prefabricated wallboard 1 and second prefabricated wallboard 2 are lifted in the air, be more favorable to the installation of connecting sleeve 9 and adjust the interval between two prefabricated wallboards. As will be appreciated by those skilled in the art: it is not excluded to install the connecting sleeve 9 after the first prefabricated wall panel 1 and the second prefabricated wall panel 2 are hoisted in place.
3) A template 16 is arranged on the inner side of the cavity 3, the template 16 is fixed through a U-shaped steel bar 15, the U-shaped steel bar 15 is wrapped around the connecting sleeve 9, and two end parts of the U-shaped steel bar 15 penetrate through the template 16 and then are fixed on the inner side surface of the template 16 through fasteners;
4) pouring concrete into the cavity 3 to form a cast-in-place part 4;
5) and removing the template 16, and cutting off the U-shaped steel bar 15 leaked on the surface of the cast-in-place part 4.
Preferably, step 3) is preceded by the step of installing the horizontal reinforcement, the first vertical reinforcement 1.4 and the second vertical reinforcement 2.4:
the first prefabricated wall board 1 is provided with a first horizontal protruding steel bar 1.3, and a part of the first horizontal protruding steel bar 1.3 is positioned in the first groove 1.2; the second prefabricated wall panel 2 is provided with a second horizontal protruding steel bar 2.3, and a part of the second horizontal protruding steel bar 2.3 is positioned in the second groove 2.2; be provided with first vertical reinforcing bar 1.4 in first recess 1.2, be provided with the vertical reinforcing bar 2.4 of second in second recess 2.2, set up horizontal reinforcing bar in cavity 3, stretch out reinforcing bar 1.3, the second level of horizontal reinforcing bar and first level and stretch out reinforcing bar 2.3, the ligature of first vertical reinforcing bar 1.4 and the vertical reinforcing bar 2.4 of second and/or welded fastening.
The first bulge 1.1 can be used as an external template 16 of the cast-in-place part 4, which is beneficial to simplifying a supporting system of the module and improving the construction efficiency; in addition, the first screw 7 and the second screw 8 are rigidly connected through the connecting sleeve 9, so that the connecting strength and reliability of the adjacent prefabricated wall panels can be obviously improved compared with the prior art, and meanwhile, the rotating directions of the first screw 7 and the second screw 8 are opposite, and the distance between the two adjacent prefabricated wall panels can be properly adjusted by rotating the connecting sleeve 9; simultaneously, above-mentioned technical scheme has still avoided the problem of the mutual overlap joint of the connecting reinforcement of prefabricated wallboard tip among the prior art.
Example 2
Referring to fig. 7 to 8, the difference from embodiment 1 is that: the second prefabricated wall panel 2 comprises a first part 2.1 and a second part 2.5 joined to each other, the end of the first part 2.1 having an end groove 17 and the end of the second part also having an end groove 17, the end groove 17 of the first part 2.1 and the end groove 17 of the second part 2.5 together constituting said second groove 2.2; the first part 2.1 and/or the second part 2.5 are provided with a second pre-embedded sleeve 6.
The embodiments of the present invention have been described above with reference to the accompanying drawings, and the embodiments and features of the embodiments of the present invention can be combined with each other without conflict. The present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and the scope of the present invention, which is encompassed by the present invention.
Claims (7)
1. Prefabricated wallboard connected node, including adjacent mutually perpendicular's first prefabricated wallboard (1) and second prefabricated wallboard (2), its characterized in that:
the end part of the first prefabricated wall panel (1) is provided with a first protrusion (1.1) and a first groove (1.2) which extend along the vertical direction, the first groove (1.2) is opened to the end side and the inner side of the first prefabricated wall panel (1), the end part of the second prefabricated wall panel (2) is provided with a second groove (2.2) which extends along the vertical direction, the first protrusion (1.1) and the inner surface of the second prefabricated wall panel (2) are correspondingly arranged, the first groove (1.2) and the second groove (2.2) are correspondingly arranged, and the area of a cavity (3) formed by the first groove (1.2) and the second groove (2.2) is formed into a cast-in-place part (4);
be provided with first pre-buried sleeve (5) in first prefabricated wallboard (1), the opening orientation of first pre-buried sleeve (5) first recess (1.2), be provided with second pre-buried sleeve (6) in second prefabricated wallboard (2), the opening orientation of second pre-buried sleeve (6) second recess (2.2), be provided with first screw rod (7) in first pre-buried sleeve (5), be provided with second screw rod (8) in second pre-buried sleeve (6), the one end of first screw rod (7) with the one end of second screw rod (8) all with connecting sleeve (9) threaded connection, first screw rod (7) with second screw rod (8) coaxial just first screw rod (7) with the opposite direction of turning of second screw rod (8).
2. Prefabricated wall panel connection node according to claim 1, characterized in that a sealing element (10) is arranged between the first protrusion (1.1) and the inner surface of the second prefabricated wall panel (2).
3. Prefabricated wall panel connection node according to claim 1, characterized in that the first prefabricated wall panel (1) has a first horizontally protruding rebar (1.3), a portion of the first horizontally protruding rebar (1.3) being located within the first groove (1.2); the second prefabricated wall panel (2) is provided with a second horizontally protruding reinforcing steel bar (2.3), and a part of the second horizontally protruding reinforcing steel bar (2.3) is positioned in the second groove (2.2); prefabricated wallboard connected node is still including horizontal stirrup (11), horizontal stirrup (11) be located in cavity (3), just horizontal stirrup (11) simultaneously with reinforcing bar (1.3) are stretched out to first level and reinforcing bar (2.3) ligature and/or welded fastening are stretched out to second level.
4. Prefabricated wall panel connection node according to claim 3, wherein a first vertical reinforcement (1.4) is arranged in said first groove (1.2), said first vertical reinforcement (1.4) being bound and/or welded to said horizontal stirrup (11), said first horizontally protruding reinforcement (1.3); and a second vertical steel bar (2.4) is arranged in the second groove (2.2), and the second vertical steel bar (2.4) is bound and/or welded and fixed with the horizontal stirrup (11) and the second horizontal extension steel bar (2.3).
5. Prefabricated wall panel connection node according to claim 1, characterized in that the first prefabricated wall panel (1) and the second prefabricated wall panel (2) are provided with embedded column vertical reinforcements (12) and embedded column stirrups (13) which are bound and/or welded to each other.
6. The prefabricated wall panel connecting node according to claim 5, wherein embedded connecting boxes (14) are arranged in the first prefabricated wall panel (1) and the second prefabricated wall panel (2), and the embedded connecting boxes (14) are located in an area formed by the embedded vertical column reinforcements (12) and the embedded stirrups (13).
7. Prefabricated wall panel connection node according to claim 1, characterised in that said second prefabricated wall panel (2) comprises a first part (2.1) and a second part (2.5) spliced to each other, the end of said first part (2.1) having an end groove (17), the end of said second part (2.5) also having an end groove (17), the end groove (17) of said first part (2.1) and the end groove (17) of said second part (2.5) together constituting said second groove; the first part (2.1) and/or the second part (2.5) is/are provided with the second embedded sleeve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220707598.8U CN217079243U (en) | 2022-03-29 | 2022-03-29 | Prefabricated wallboard connected node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220707598.8U CN217079243U (en) | 2022-03-29 | 2022-03-29 | Prefabricated wallboard connected node |
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| Publication Number | Publication Date |
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| CN217079243U true CN217079243U (en) | 2022-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220707598.8U Active CN217079243U (en) | 2022-03-29 | 2022-03-29 | Prefabricated wallboard connected node |
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- 2022-03-29 CN CN202220707598.8U patent/CN217079243U/en active Active
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