Exterior wall deformation joint template system and construction method thereof

Abstract

The application discloses a kind of outer wall deformation joint formwork systems and its construction method, outer wall deformation joint formwork system includes: bottom wall formwork unit, side wall formwork unit, top wall formwork unit, respectively for the pouring formwork construction of bottom wall construction joint, two side wall construction joint and top wall construction joint is built;The bottom wall formwork unit, side wall formwork unit and top wall formwork unit, all include main formwork and side formwork;The main formwork is connected with side formwork by detachable connecting component;The center of main formwork is equipped with waterstop positioning protection area for clamping, protecting rubber waterstop;By setting outer wall deformation joint formwork structure in bottom wall, side wall, top wall respectively, by adding waterstop positioning protection area between the formwork, solve the original actual construction pouring process, due to unable to establish the positioning relationship between waterstop connecting piece and pouring formwork piece, cause the technical problem of position deviation to pre-installed waterstop connecting piece.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of deformation joint construction formwork, and more particularly to an outer wall deformation joint formwork system and a construction method thereof. BACKGROUND

[0002] The outer wall deformation joint is one of the deformation joint structure and device classifications, and is divided into four categories for the thermal expansion and contraction of modern building super-high and large-scale construction projects, the settlement caused by the uneven height of the building, and the building shaking during an earthquake: metal cover plate type, metal locking type, rubber embedded flat type, and anti-seismic type. The rubber embedded flat type outer wall deformation joint device has high elasticity of thermoplastic rubber strips combined with an aluminum alloy frame, which can cope with all-around deformation of building settlement, expansion, vibration, etc., is waterproof and anti-seismic, and after installation, it is integrated with the surface of the outer wall, is flat and beautiful, and in the actual construction process, the deformation joint of the cast-in-place structure is mainly waterproofed by using a middle-buried steel edge rubber waterstop, the steel plate part of the rubber waterstop is bound to the steel bar before pouring the structure, and then the rubber waterstop steel plate and rubber sheet are poured into the structure to fill the deformation joint with the rubber ring in the waterstop for waterproofing. Therefore, it is of great significance to propose a construction method that can improve the installation quality of the waterstop.

[0003] To solve the above technical problems, Chinese utility model patent CN203213321U discloses a construction structure of an outer wall deformation joint of a building, which comprises a deformation joint connecting piece arranged on a reserved deformation joint of a wall body of a building to be constructed, the deformation joint connecting piece is arranged from top to bottom along the length direction of the deformation joint, and the wall body of the building to be constructed is divided into a left wall body and a right wall body by the deformation joint; a waterstop is arranged on the inner side of the deformation joint connecting piece; the deformation joint connecting piece is assembled by a left connecting piece and a right connecting piece; the left connecting piece is connected by a left connecting plate and a left connecting joint located on the right side of the left connecting plate; the right connecting piece is connected by a right connecting plate and a right connecting joint located on the left side of the right connecting plate and integrated with the left connecting joint by buckling; the left connecting plate and the right connecting plate are both stainless steel plates; in addition, Chinese invention patent CN113931326B discloses an outer wall deformation joint structure and a construction method, which comprises a heat preservation piece embedded in the deformation joint for heat preservation and a water baffle assembly, the water baffle assembly comprises two water baffle connecting plates and a water baffle piece, the two water baffle connecting plates are respectively arranged on the two side edges of the deformation joint and connected thereto, and the opposite side edges of the two water baffle connecting plates are respectively bent and formed into a shaped formwork in a direction away from the edge of the deformation joint, the shaped formwork is used for forming a facing layer, and the water baffle piece is recessed and formed with a deformation groove towards the deformation joint.

[0004] The above-mentioned patent technologies all ensure the waterproof performance of the deformation joint by arranging the water baffle connecting piece, but still have the following technical problems:

[0005] (1) Actual construction pouring process, due to the failure to establish the relative positioning relationship between the water stop connecting piece and the pouring formwork piece, resulting in the position deviation of the pre-installed water stop connecting piece, in addition, the water stop connecting piece outside the rubber water stop belt is additionally increased, which increases the complexity of the installation process;

[0006] (2) Due to the exposure of one side of the rubber water stop belt, it is easy to be damaged in the construction process, thereby losing the waterproof effect and affecting the normal use of the structure inside;

[0007] (3) Due to the existence of the rubber water stop belt, the formwork at the deformation joint is difficult to support, and quality problems such as leakage and deviation are easy to occur, and the above-mentioned patent technology does not propose effective measures. SUMMARY

[0008] In view of the above defects or improvement needs of the prior art, the present application provides an outer wall deformation joint formwork system, which sets up an outer wall deformation joint formwork structure for the bottom wall, side wall and top wall respectively, and optimizes the main formwork connecting structure into two split formworks, and adds a water stop belt positioning protection area between the split formworks, which not only solves the technical problem that the pre-installed water stop connecting piece is deviated due to the failure to establish the relative positioning relationship between the water stop connecting piece and the pouring formwork piece in the actual construction pouring process, but also optimizes the construction formwork structure and simplifies the rubber water stop belt connecting piece, which can stabilize the rubber water stop belt and ensure the construction efficiency. In addition, the water stop belt positioning protection area solves the technical problem that the rubber water stop belt is easily damaged in the construction process, thereby losing the waterproof effect and affecting the normal use of the structure inside.

[0009] According to the first aspect of the present application, the outer wall deformation joint formwork system comprises:

[0010] A bottom wall formwork unit, a side wall formwork unit and a top wall formwork unit are used to build pouring formworks for the bottom wall construction joint, the two side wall construction joints and the top wall construction joint, respectively.

[0011] The bottom wall formwork unit, the side wall formwork unit and the top wall formwork unit each comprise a main formwork and a side formwork.

[0012] The main formwork and the side formwork are connected by a detachable connecting assembly.

[0013] The main formwork is provided with a water stop belt positioning protection area at the center for clamping and protecting the rubber water stop belt.

[0014] The bottom wall formwork unit, the side wall formwork unit and the top wall formwork unit are built on the outer wall reinforcement cage, and the rubber water stop belt is placed in the water stop belt positioning protection area. After the formwork is built, the concrete structure can be poured inside.

[0015] Preferably, the main template and the side template comprise:

[0016] The support assembly arranged on the outer surface for external support comprises a template support block and an auxiliary support rod connected with the template support block at one end and with the ground support at the other end.

[0017] Preferably, the bottom wall template unit comprises:

[0018] The main template is composed of a first bottom wall sub-template and a second bottom wall sub-template;

[0019] The upper edge of the first bottom wall sub-template and the lower edge of the second bottom wall sub-template are both provided with a clamping groove structure for clamping the spherical part of the rubber waterstop;

[0020] The bottom wall template extension plate arranged near the bottom of the first bottom wall sub-template and the bottom wall template protection cavity shell arranged near the lower end of the second bottom wall sub-template and cooperatively connected with the front end of the bottom wall template extension plate; the bottom wall template protection cavity shell and the bottom wall template extension plate are connected to form a protection cavity for the waterstop positioning protection area.

[0021] Preferably, the clamping groove structure comprises:

[0022] The inner concave surface is arc-shaped;

[0023] The anti-slip protrusion is arranged on the arc-shaped inner concave surface.

[0024] Preferably, the clamping groove structure comprises:

[0025] The two sides of the inner concave surface are arc-shaped parts, and a lower pressing part in the form of a tangent plane is arranged at the bottom of the inner concave surface;

[0026] The anti-slip protrusion is arranged on the inner concave surface, and the anti-slip protrusion is fixedly arranged on the inner surface of the arc-shaped part or the lower pressing part.

[0027] Preferably, the main template comprises:

[0028] The lower end of the bottom wall template protection cavity shell is provided with a connecting clamping groove, and a connecting clamping block fixedly arranged at the front end of the bottom wall template extension plate and cooperatively clamped with the connecting clamping groove.

[0029] Preferably, the detachable connecting assembly comprises:

[0030] The template sliding groove is opened on the side edge of the main template;

[0031] The extension support part is arranged at the edge of the side template, and the side edge sliding block is fixedly arranged at the front end of the extension support part.

[0032] The side template and the main template are detachably connected through the side edge slider of the side template and the template sliding groove of the main template.

[0033] Preferably, the detachable connecting assembly comprises:

[0034] The clamping positioning plate is arranged at the edge of the side plate, and the anti-interference notch is arranged at the middle position of the clamping positioning plate, so as to prevent the clamping positioning plate from interfering with the structure of the water stop positioning protection area.

[0035] The template bolt holes are arranged at the side edge of the main template and the clamping positioning plate respectively and are connected with each other, so as to fasten the connecting bolt.

[0036] Preferably, the connecting part between the bottom wall template unit, the side wall template unit and the top wall template unit is provided with an interference adjustment area, so as to ensure that the water stop positioning protection area between the template units is in a closed loop area.

[0037] A construction method of an outer wall deformation joint template system, comprising the following construction steps:

[0038] S100: First, the bottom wall template unit is built, the first bottom wall sub-template and the second bottom wall sub-template are connected through the detachable connecting assembly, at the same time, the spherical part of the rubber water stop is clamped into the clamping groove structure, and it is ensured that one side of the rubber water stop is completely surrounded in the protection area inner cavity to prevent damage in the pouring process, and the other side is exposed to the template and faces the pouring area;

[0039] S200: Then, the side wall template unit and the top wall template unit are installed by using the same method, and then the shape of the corner template is adjusted, so that the water stop positioning protection area between the template units is in a closed loop area under the premise of avoiding interference;

[0040] S300: The bottom wall deformation joint, the side wall deformation joint and the top wall deformation joint are poured in sequence, and after waiting for solidification, the construction is completed after the template is removed.

[0041] Overall, compared with the prior art, the above technical solutions conceived by the present application can achieve the following beneficial effects:

[0042] 1.A kind of outer wall deformation joint template system of the present application, by setting up outer wall deformation joint template structure respectively in bottom wall, side wall, top wall, and the main template connecting structure is optimized into two sub-templates, by adding water stop belt positioning protection area between the sub-templates, not only solve the original actual construction pouring process, due to the failure of water stop connecting piece and pouring formwork piece establish relative positioning relationship, leading to the technical problem of the position deviation of the pre-installed water stop connecting piece, but the scheme only optimizes the construction formwork structure, and for the complex rubber water stop belt connecting piece, it can stabilize the rubber water stop belt, and also can guarantee the technical effect of construction efficiency;In addition, the water stop belt positioning protection area is added, which solves the technical problem that the rubber water stop belt is easily damaged during construction due to the exposure of one side, thereby losing the waterproof effect and affecting the normal use of the structure;

[0043] 2.A kind of outer wall deformation joint template system of the present application, by refining the design of the water stop belt positioning protection area between the two sub-templates, the non-standard circular arc surface containing anti-skid protrusions is in close contact with the spherical part of the rubber water stop belt, which can effectively improve the friction between the main template and the rubber water stop belt, thereby preventing position deviation and misplacement during pouring, in addition, further combining the arc part or the pressing part, and adding anti-skid protrusions on the surface, the extrusion force of the template on the spherical part is increased by space limitation, and the friction between the two is further improved;

[0044] 3.A kind of outer wall deformation joint template system of the present application, by further refining the connection mode between the main template and the side template, and using sliding groove connection or baffle cooperation connection, it ensures the connection and fastening, and at the same time, the sliding groove connection generalizes the application range of wall size. At the same time, by using the card slot structure to design the two sub-templates of the main template, the technical problem of difficult to support the template at the deformation joint due to the existence of the rubber water stop belt, which is easy to cause slurry leakage and joint deviation, is effectively solved. BRIEF DESCRIPTION OF DRAWINGS

[0045] Figure 1 It is the overall construction structure schematic diagram of the outer wall deformation joint template system of the embodiment of the present application;

[0046] Figure 2 It is the construction structure schematic diagram of the left side plate of the bottom wall of the outer wall deformation joint template system of the embodiment of the present application;

[0047] Figure 3 It is the main plate structure schematic diagram of the bottom wall of the outer wall deformation joint template system of the embodiment of the present application;

[0048] Figure 4 It is the structure schematic diagram of the right side plate of the bottom wall of the outer wall deformation joint template system of the embodiment of the present application;

[0049] Figure 5 Figure 1 is a left side sectional view of a bottom wall template integral connection of an outer wall deformation joint template system according to an embodiment of the present application;

[0050] Figure 6 Figure 2 is a schematic diagram of a bottom wall template integral construction structure of an outer wall deformation joint template system according to an embodiment of the present application;

[0051] Figure 7 Figure 3 is a schematic diagram of a left side plate structure of a side wall of an outer wall deformation joint template system according to an embodiment of the present application;

[0052] Figure 8 Figure 4 is a schematic diagram of a main template structure of a side wall of an outer wall deformation joint template system according to an embodiment of the present application;

[0053] Figure 9 Figure 5 is a schematic diagram of a right side plate structure of a side wall of an outer wall deformation joint template system according to an embodiment of the present application;

[0054] Figure 10 Figure 6 is a schematic diagram of a bottom side template structure of a top wall of an outer wall deformation joint template system according to an embodiment of the present application;

[0055] Figure 11 Figure 7 is a schematic diagram of a left side plate structure of a top wall of an outer wall deformation joint template system according to an embodiment of the present application;

[0056] Figure 12 Figure 8 is a schematic diagram of a main template structure of a top wall of an outer wall deformation joint template system according to an embodiment of the present application;

[0057] Figure 13 Figure 9 is a schematic diagram of a right side plate structure of a top wall of an outer wall deformation joint template system according to an embodiment of the present application;

[0058] Figure 14 Figure 10 is a schematic diagram of a right side side structure of a top wall of an outer wall deformation joint template system according to an embodiment of the present application;

[0059] Figure 15 Figure 11 is a schematic diagram of a first kind of clamping groove structure of an outer wall deformation joint template system according to an embodiment of the present application;

[0060] Figure 16 Figure 12 is a schematic diagram of a second kind of clamping groove structure of an outer wall deformation joint template system according to an embodiment of the present application;

[0061] Figure 17 Figure 13 is a flow chart of a construction method of an outer wall deformation joint template system according to an embodiment of the present application.

[0062] In all the drawings, the same reference signs refer to the same technical features, specifically: 1 - bottom wall formwork unit, 110 - first bottom wall sub-formwork, 111 - bottom wall formwork sliding groove, 112 - first bottom wall formwork support block, 113 - bottom wall formwork extension plate, 114 - connecting clamping block, 115 - lower end spherical clamping groove, 116 - first auxiliary support rod, 120 - second bottom wall sub-formwork, 121 - second bottom wall formwork support block, 122 - bottom wall formwork protection cavity shell, 123 - connecting clamping groove, 124 - upper end spherical clamping groove, 125 - second auxiliary support rod, 130 - main wall left side plate, 131 - first bottom corner extension end, 132 - first inner side sliding block, 140 - main wall right side plate, 141 - second bottom corner extension end, 142 - second inner side sliding block, 150 - protection zone inner cavity, 161 - anti-skid protrusion, 162 - lower pressing portion, 163 - arc-shaped portion, 2 - side wall formwork unit, 210 - first side wall sub-formwork, 211 - first side wall formwork support block, 212 - first side wall formwork sliding groove, 213 - side wall formwork protection cavity shell, 220 - second side wall sub-formwork, 221 - second side wall formwork support block, 222 - second side wall formwork sliding groove, 223 - side wall formwork extension plate, 230 - side wall inner side plate, 231 - first side edge support strip, 232 - first side edge sliding block, 240 - side wall outer side plate, 241 - second side edge support strip, 242 - second side edge sliding block, 3 - top wall formwork unit, 310 - first top wall sub-formwork, 311 - first top wall formwork support block, 312 - top wall formwork protection cavity shell, 313 - first positioning bolt, 320 - second top wall sub-formwork, 321 - second top wall formwork support block, 322 - top wall formwork sliding groove, 323 - top wall formwork extension plate, 330 - top wall left side plate, 331 - first clamping positioning plate, 332 - first anti-interference notch, 340 - top wall right side plate, 341 - second clamping positioning plate, 342 - second anti-interference notch, 351 - side formwork bolt hole, 352 - main formwork bolt hole, 360 - top wall bottom side plate, 361 - bottom plate side edge support strip, 362 - bottom plate side edge sliding block, 4 - water stop positioning protection zone, 5 - rubber water stop, 501 - spherical portion, 502 - left side extension segment, 503 - right side extension segment, 6 - interference adjustment zone. DETAILED DESCRIPTION

[0063] In the description of the present application, it needs to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0064] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features referred to. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly specified and limited.

[0065] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0066] In order to make the purpose, technical scheme and advantages of the present application more clear and explicit, the present application will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and not to limit the present application. In addition, the technical features involved in each embodiment of the present application described below can be combined with each other as long as they do not conflict with each other.

[0067] According to the first aspect of the present application, as shown in the drawings, Figures 1-14 In the embodiments of the present application, the outer wall deformation joint formwork system comprises:

[0068] The bottom wall formwork unit 1, the side wall formwork unit 2 and the top wall formwork unit 3 are respectively used to build the pouring formwork of the bottom wall construction joint, the two side wall construction joints and the top wall construction joint;

[0069] The bottom wall formwork unit 1, the side wall formwork unit 2 and the top wall formwork unit 3 all comprise a main formwork and a side formwork;

[0070] The main formwork and the side formwork are connected through a detachable connecting assembly.

[0071] The main template is provided with a water stop belt positioning protection area 4 at the center for clamping and protecting the rubber water stop belt 5;

[0072] By building the bottom wall template unit 1, the side wall template unit 2 and the top wall template unit 3 on the outer wall reinforcement cage foundation, and placing the rubber water stop belt 5 in the water stop belt positioning protection area 4, the template building is completed, and then the concrete structure can be poured in the inside.

[0073] As shown in Figure 3 , Figures 5-6 In the embodiment of the present application, the main template and the side template comprise:

[0074] The support assembly arranged on the outer surface for external support comprises a template support block and an auxiliary support rod having one end connected with the template support block and the other end connected with the ground support.

[0075] In the embodiment of the present application, by setting the outer wall deformation joint template structure for the bottom wall, the side wall and the top wall respectively, and optimizing the main template connection structure into two divided templates, and by additionally setting the water stop belt positioning protection area 4 between the divided templates, not only the technical problem that the position of the pre-installed water stop connecting piece deviates due to the failure to establish the relative positioning relationship between the water stop connecting piece and the pouring template piece in the original actual construction pouring process is solved, but also the technical effect that the rubber water stop belt is stabilized and the construction efficiency is ensured is achieved for the complex rubber water stop belt connecting piece. In addition, the water stop belt positioning protection area is additionally set to solve the technical problem that the rubber water stop belt is easily damaged in the construction process due to the exposure of one side of the rubber water stop belt, thereby losing the waterproof effect and affecting the normal use of the structure inside.

[0076] As shown in Figures 1-6 In the embodiment of the present application, the bottom wall template unit 1 comprises:

[0077] The main template is composed of a first bottom wall divided template 110 and a second bottom wall divided template 120;

[0078] The upper edge of the first bottom wall divided template 110 and the lower edge of the second bottom wall divided template 120 are both provided with a clamping groove structure clamped with the spherical part 501 of the rubber water stop belt 5;

[0079] The bottom wall template extension plate 113 arranged near the bottom of the first bottom wall divided template 110, the bottom wall template protection cavity shell 122 arranged near the lower end of the second bottom wall divided template 120 and matched and connected with the front end of the bottom wall template extension plate 113; the bottom wall template protection cavity shell 122 and the bottom wall template extension plate 113 are connected to form a protection cavity of the water stop belt positioning protection area 4.

[0080] As shown in Figure 6 , Figure 15 and Figure 16 , in the embodiment of the present application, the clamping groove structure comprises:

[0081] the inner concave surface is in the shape of a circular arc;

[0082] a non-slip protrusion 161 is arranged on the inner concave surface in the shape of a circular arc.

[0083] As shown in Figure 6 , Figure 15 and Figure 16 , in the embodiment of the present application, the clamping groove structure comprises:

[0084] the two sides of the inner concave surface are in the shape of an arc 163, and a lower pressing part 162 in the shape of a tangent plane is arranged at the bottom of the inner concave surface;

[0085] a non-slip protrusion 161 is arranged on the inner concave surface, and the non-slip protrusion 161 is fixedly arranged on the inner surface of the arc-shaped part 163 or the lower pressing part 162.

[0086] In the embodiment of the present application, by refining the design of the water stop positioning protection area 4 between the two split molds, the non-standard circular arc surface containing the non-slip protrusion 161 is tightly contacted with the spherical part 501 of the rubber water stop 5, which can effectively improve the friction between the main mold and the rubber water stop 5, thereby preventing the position deviation and misplacement in the pouring process. In addition, it is further proposed that the arc-shaped part 163 or the lower pressing part 162 is combined, and the non-slip protrusion 161 is also added on the surface thereof, and the extrusion force of the mold on the spherical part 501 is increased through space limitation, and the friction between the two is further improved.

[0087] In construction, first, the bottom wall mold unit is built, the first bottom wall split mold 110 and the second bottom wall split mold 120 are connected through the detachable connecting assembly, at the same time, the spherical part 501 of the rubber water stop 5 is clamped into the clamping groove structure, and it is ensured that one side of the rubber water stop 5 is completely surrounded in the protection area inner cavity 150 to prevent damage in the pouring process, and the other side is exposed to the mold and faces the area to be poured. Then, on this basis, the side wall mold unit and the top wall mold unit are installed in the same way, and then the shape of the mold at the corner is adjusted, and the water stop positioning protection area between the mold units is ensured to be in a closed loop area under the premise of avoiding interference. Then, the bottom wall deformation joint, the side wall deformation joint and the top wall deformation joint are poured in sequence, and after waiting for solidification, the mold is removed to complete the construction.

[0088] As shown in Figures 5-6 , in the embodiment of the present application, the main mold comprises:

[0089] The bottom wall formwork protection cavity shell 122 is provided with a connecting clamping groove 123 at the lower end, and a connecting clamping block 114 is fixedly arranged at the front end of the bottom wall formwork extension plate 113 and is clamped with the connecting clamping groove 123.

[0090] As shown in Figure 3 , Figure 8 and Figure 12 indicated, in the embodiment of the present application, the detachable connecting assembly comprises:

[0091] The formwork sliding groove 322 is arranged at the side edge of the main formwork;

[0092] The extension support part is arranged at the side edge of the side formwork, and the side edge sliding block is fixedly arranged at the front end of the extension support part;

[0093] The side formwork and the main formwork are detachably connected through the sliding clamping of the side edge sliding block of the side formwork and the formwork sliding groove 322 of the main formwork.

[0094] As shown in Figures 11-14 indicated, in the embodiment of the present application, the detachable connecting assembly comprises:

[0095] The clamping positioning plate is arranged at the side edge of the side plate, and the anti-interference notch is arranged at the middle position of the clamping positioning plate, which is used for preventing the clamping positioning plate from interfering with the water stop belt positioning protection area 4;

[0096] The formwork bolt holes are arranged at the side edge of the main formwork and the clamping positioning plate respectively and are connected with each other, which are used for the fastening bolt.

[0097] As shown in Figure 1 indicated, in the embodiment of the present application, the outer wall deformation joint formwork system comprises:

[0098] The interference adjustment area 6 is arranged at the connecting position between the bottom wall formwork unit 1, the side wall formwork unit 2 and the top wall formwork unit 3, which is used for ensuring that the water stop belt positioning protection area between the formwork units is in a closed loop area.

[0099] In the embodiment of the present application, the connecting mode between the main formwork and the side formwork is further refined, and the sliding groove connection or the baffle cooperation connection is adopted, so that the connection fastening is ensured, and the wall size application range is generalized through the sliding groove type connection. At the same time, the two divided formworks of the main formwork are designed through the clamping groove structure, so that the technical problems of difficult to support the formwork at the deformation joint due to the existence of the rubber water stop belt and easy to cause slurry leakage and joint deviation are effectively solved.

[0100] According to the second aspect of the present application, a construction method of an outer wall deformation joint formwork system comprises the following construction steps:

[0101] S100: First, the bottom wall formwork unit is built, the first bottom wall formwork 110 and the second bottom wall formwork 120 are connected through the detachable connecting assembly, at the same time, the spherical part 501 of the rubber waterstop 5 is clamped into the clamping groove structure, and it is ensured that one side of the rubber waterstop 5 is completely surrounded in the protection area inner cavity 150 to prevent damage during pouring, and the other side is exposed to the formwork and faces the pouring area to be poured;

[0102] S200: Next, on this basis, the side wall formwork unit and the top wall formwork unit are installed by the same method, and then the shape of the corner formwork is adjusted, and the waterstop positioning protection area between the formwork units is in a closed loop area under the premise of avoiding interference;

[0103] S300: The bottom wall deformation joint, the side wall deformation joint and the top wall deformation joint are poured in sequence, and after waiting for solidification, the formwork is removed, and the construction is completed.

[0104] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application. The above is only a preferred embodiment of the present application, and it should be pointed out that, for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection scope of the present application.

Claims

1. A formwork system for exterior wall expansion joints, characterized in that, include: The bottom wall formwork unit (1), the side wall formwork unit (2), and the top wall formwork unit (3) are used to build the pouring formwork for the bottom wall construction joint, the side wall construction joints, and the top wall construction joint, respectively. The bottom wall formwork unit (1), the side wall formwork unit (2), and the top wall formwork unit (3) all include a main formwork and a side formwork; The main template and the side template are connected by a detachable connecting component; The main template has a waterstop positioning protection zone (4) at its center for clamping and protecting the rubber waterstop (5); By building a bottom wall formwork unit (1), a side wall formwork unit (2) and a top wall formwork unit (3) on the foundation of the outer wall steel cage, and placing the rubber waterstop (5) in the waterstop positioning protection zone (4), the concrete structure can be poured inside after the formwork is built. The bottom wall template unit (1) includes: the main template is composed of a first bottom wall sub-template (110) and a second bottom wall sub-template (120); the upper edge of the first bottom wall sub-template (110) and the lower edge of the second bottom wall sub-template (120) are provided with a slot structure for engaging with the spherical part (501) of the rubber waterstop (5); a bottom wall template extension plate (113) located near the bottom of the first bottom wall sub-template (110) and a bottom wall template protective cavity shell (122) connected to the front end of the bottom wall template extension plate (113) and located near the lower end of the second bottom wall sub-template (120); the bottom wall template protective cavity shell (122) and the bottom wall template extension plate (113) are connected to form a protective cavity of the waterstop positioning protection zone (4); The slot structure includes: arc-shaped portions (163) on both sides of its concave surface, and a tangential pressing portion (162) at the bottom of the concave surface; and an anti-slip protrusion (161) provided on the concave surface, wherein the anti-slip protrusion (161) is fixedly provided on the inner surface of the arc-shaped portion (163) or the pressing portion (162). The main template includes: a connecting slot (123) provided at the lower end of the protective cavity shell (122) of the bottom wall template, and a connecting block (114) fixedly disposed at the front end of the bottom wall template extension plate (113) and engaged with the connecting slot (123). The detachable connection component includes: a template groove (322) formed on the side edge of the main template. An extended support portion is provided at the edge of the side template, and a side slider is fixedly provided at the front end of the extended support portion; the side slider of the side template is slidably engaged with the template groove (322) of the main template to achieve a detachable connection between the side template and the main template.

2. The external wall expansion joint formwork system according to claim 1, characterized in that, The main template and side templates include: A support component installed on the outer surface to provide external support includes a template support block and an auxiliary support rod with one end interlocked with the template support block and the other end connected to the ground support.

3. The external wall expansion joint formwork system according to claim 1, characterized in that, The aforementioned card slot structure includes: Its concave surface is arc-shaped; Anti-slip protrusions (161) are provided on the concave surface.

4. The external wall expansion joint formwork system according to claim 1, characterized in that, The detachable connection assembly includes: A snap-fit ​​positioning plate is provided at the edge of the side plate, and an anti-interference groove is opened in the middle of the snap-fit ​​positioning plate to prevent the snap-fit ​​positioning plate from forming structural interference with the waterstop positioning protection zone (4); Bolt holes are respectively set on the side edge of the main template and the snap-fit ​​positioning plate and are connected to each other for fastening the connection.

5. The external wall expansion joint formwork system according to claim 1, characterized in that: An interference adjustment zone (6) is provided at the connection between the bottom wall template unit (1), the side wall template unit (2), and the top wall template unit (3) to ensure that the waterstop positioning protection zone between the template units is in a closed loop area.

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