Prefabricated concrete shear wall connection node structure

By using connecting components and fixing components in precast concrete shear wall connection nodes, the problem of high labor costs when the steel bars are inserted into the through grooves is solved, efficient installation and strength improvement are achieved while preventing water seepage.

CN223088678UActive Publication Date: 2025-07-11HUAIAN ARCHITECTURAL DESIGN & RES INST CO LTD
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Patent Information

Application Number
CN202421705902.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-18
Publication Date
2025-07-11
Estimated Expiration
2034-07-18

AI Technical Summary

Technical Problem

The existing precast concrete shear wall connection node structure requires multiple steel bars to be inserted into the through grooves during installation, resulting in increased labor costs.

Method used

The connecting components are adopted, including a connecting seat, a fixing strip, a limiting strip, a limiting plate and a connecting bolt. The connecting seat is installed between two prefabricated walls through the limiting action, and the position of the connecting seat is fixed through the fixing assembly to avoid sliding and at the same time enhance the wall strength.

Benefits of technology

It reduces labor costs, improves the installation efficiency and strength of connecting nodes, and prevents water seepage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of shear wall connecting joints, in particular to a prefabricated concrete shear wall connecting joint structure which comprises two sections of prefabricated wall bodies, a connecting assembly, a fixing assembly and a sealing assembly. The connecting assembly comprises a connecting seat, two fixing strips and a plurality of limiting strips, the connecting seat is in sliding connection with the prefabricated wall bodies and located between the two sections of the prefabricated wall bodies, the two fixing strips are fixedly connected with the connecting seat and located in the prefabricated wall bodies, and the limiting strips are fixedly connected with the connecting seat and located in the prefabricated wall bodies; the multiple limiting strips are fixedly connected with the two fixing strips correspondingly and located on the two sides of the fixing strips correspondingly, the fixing assembly is connected with the connecting base, and the sealing assembly is connected with the prefabricated wall. And the labor cost is increased.
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Description

Technical Field

[0001] The utility model relates to the technical field of shear wall connection nodes, in particular to a connection node structure of a precast concrete shear wall. Background Art

[0002] The connection nodes and construction methods of precast components are key issues in precast concrete structures. Especially the connection nodes of precast concrete ground beams and shear walls have a great impact on green and low-carbon assembly construction and the overall mechanical properties of the structure. After the connection is completed, gaps will inevitably occur. Although it will not affect the force, water seepage is likely to occur.

[0003] The existing publication number CN220704849U discloses a connection node structure of a precast concrete shear wall, which includes a connection block installed between two precast shear wall panels. Insert blocks are fixed on both the upper and lower sides of the connection block. First slots are opened in the precast shear wall panels, corresponding to the insert blocks. Multiple steel bars are fixed on the insert blocks. Multiple second slots are opened in the first slots, corresponding to the steel bars. Multiple pouring grooves are opened in the connection block. In the utility model, pouring grooves are opened in the connection block, and the gaps can be filled by secondary pouring to prevent water seepage. Steel bars are installed on the insert blocks, and the connection between the two precast shear wall panels can be strengthened through the steel bars, thereby improving the connection quality.

[0004] However, when installing the above connection node structure of the precast concrete shear wall, multiple steel bars need to be inserted into the corresponding through grooves. At this time, the upper wall needs to be lifted, increasing the labor cost. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a connection node structure of a precast concrete shear wall, which solves the problem that when installing the connection node structure of the precast concrete shear wall, multiple steel bars need to be inserted into the corresponding through grooves, and at this time, the upper wall needs to be lifted, increasing the labor cost.

[0006] To achieve the above purpose, the utility model provides a connection node structure of a precast concrete shear wall, which includes two sections of precast walls, a connection component, a fixing component, and a sealing component; the connection component includes a connection seat, fixing bars, and limiting bars. The connection seat is slidably connected to the precast wall and is located between the two sections of precast walls. The number of fixing bars is two, and the two fixing bars are respectively fixedly connected to the connection seat and are respectively located inside the precast walls. The number of limiting bars is multiple, and the multiple limiting bars are respectively fixedly connected to the two fixing bars and are respectively located on both sides of the fixing bars. The fixing component is connected to the connection seat, and the sealing component is connected to the precast wall.

[0007] Among them, the connection component further includes a limiting plate and a connection bolt. The number of the limiting plates is multiple, and the multiple limiting plates are respectively slidably connected to the precast wall body and are respectively located outside the limiting strip. The number of the connection bolts is multiple, and the multiple connection bolts are respectively threadedly connected to the precast wall body and respectively pass through the limiting strip and the limiting plate.

[0008] Among them, the fixing component includes a lead screw sleeve, an external gear ring and a fixing rod. The number of the lead screw sleeves is multiple, and the multiple lead screw sleeves are respectively rotatably connected to the connection seat and are respectively located inside the connection seat. The number of the external gear rings is multiple, and the multiple external gear rings are respectively fixedly connected to the lead screw sleeves and are respectively located outside the lead screw sleeves. The number of the fixing rods is multiple, and one fixing rod is respectively threadedly connected to both ends of each lead screw sleeve.

[0009] Among them, the fixing component further includes a guiding strip. The number of the guiding strips is multiple, and the multiple guiding strips are respectively fixedly connected to the fixing rods and are respectively located outside the fixing rods.

[0010] Among them, the sealing component includes a sealing seat, a sealing plate and a sealing bolt. The number of the sealing seats is four, and the four sealing seats are respectively slidably connected to the precast wall body and are respectively located inside the precast wall body. The number of the sealing plates is two, and the two sealing plates are respectively fixedly connected to the sealing seats and are respectively located between the four sealing seats. The number of the sealing bolts is multiple, and the multiple sealing bolts are respectively threadedly connected to the precast wall body and respectively pass through the sealing seats.

[0011] For a connection node structure of a precast concrete shear wall of the present utility model, the precast wall body is a precast concrete shear wall, the connection seat provides a supporting function for the connection component, and the fixing strip and the limiting strip provide a limiting function for the connection seat. When connecting the shear wall, through the limiting function provided by the fixing strip and the limiting strip, it is convenient to install the connection seat between two sections of the precast wall body. Then, the limiting strip and the precast wall body are fixed through the limiting plate and the connection bolt, and the position of the connection seat is fixed through the fixing component, avoiding the sliding of the connection seat and at the same time ensuring the strength of the precast wall body, and solving the problem that when installing the connection node structure of the precast concrete shear wall, it is necessary to insert multiple steel bars into corresponding through grooves, and at this time, it is necessary to lift the upper wall body, resulting in an increase in labor cost. Description of the Drawings

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art.

[0013] Figure 1 It is a schematic diagram of the overall structure of a precast concrete shear wall connection joint structure according to the first embodiment of the present utility model.

[0014] Figure 2 It is a schematic diagram of the structure of the connection component according to the first embodiment of the present utility model.

[0015] Figure 3 It is a schematic diagram of the structure of the fixing component according to the first embodiment of the present utility model.

[0016] Figure 4 It is a schematic diagram of the overall structure of a precast concrete shear wall connection joint structure according to the second embodiment of the present utility model.

[0017] In the figure: 101 - precast wall, 102 - connection seat, 103 - fixing bar, 104 - limiting bar, 105 - limiting plate, 106 - connection bolt, 107 - lead screw sleeve, 108 - external gear ring, 109 - fixing rod, 110 - guiding bar, 201 - sealing seat, 202 - sealing plate, 203 - sealing bolt. Detailed implementation manners

[0018] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present utility model and should not be construed as a limitation to the present utility model.

[0019] The first embodiment of the present application is as follows:

[0020] Please refer to Figures 1 to 3 , wherein, Figure 1 It is a schematic diagram of the overall structure of a precast concrete shear wall connection joint structure according to the first embodiment of the present utility model, Figure 2 It is a schematic diagram of the structure of the connection component according to the first embodiment of the present utility model, Figure 3 It is a schematic diagram of the structure of the fixing component according to the first embodiment of the present utility model. The present utility model provides a precast concrete shear wall connection joint structure, including a precast wall 101, a connection component and a fixing component. The connection component includes a connection seat 102, a fixing bar 103, a limiting bar 104, a limiting plate 105 and a connection bolt 106. The fixing component includes a lead screw sleeve 107, an external gear ring 108, a fixing rod 109 and a guiding bar 110. By the foregoing solution, the problem that when installing a precast concrete shear wall connection joint structure, multiple steel bars need to be inserted into corresponding through grooves, and at this time, the upper wall needs to be lifted, resulting in an increase in labor cost is solved. It can be understood that the foregoing solution can be used in the scenario of installing a precast wall connection structure and can also be used to solve the problem of the gap between the connection structure and the wall.

[0021] For this specific embodiment, the connecting seat 102 is slidably connected to the precast wall 101 and is located between two sections of the precast wall 101. The number of the fixing bars 103 is two. The two fixing bars 103 are respectively fixedly connected to the connecting seat 102 and are respectively located inside the precast wall 101. The number of the limiting bars 104 is multiple. The multiple limiting bars 104 are respectively fixedly connected to the two fixing bars 103 and are respectively located on both sides of the fixing bars 103. The fixing component is connected to the connecting seat 102, and the sealing component is connected to the precast wall 101. The precast wall 101 is a precast concrete shear wall. The connecting seat 102 provides a supporting function for the connecting component. The fixing bars 103 and the limiting bars 104 provide a limiting function for the connecting seat 102. When connecting the shear wall, due to the limiting function provided by the fixing bars 103 and the limiting bars 104, it is convenient to install the connecting seat 102 between two sections of the precast wall 101. Then, the limiting plate 105 and the connecting bolt 106 are used to fix between the limiting bar 104 and the precast wall 101. The position of the connecting seat 102 is fixed by the fixing component, avoiding the sliding of the connecting seat 102 and ensuring the strength of the precast wall 101 at the same time.

[0022] Among them, the number of the limiting plates 105 is multiple. The multiple limiting plates 105 are respectively slidably connected to the precast wall 101 and are respectively located outside the limiting bars 104. The number of the connecting bolts 106 is multiple. The multiple connecting bolts 106 are respectively threadedly connected to the precast wall 101 and respectively pass through the limiting bars 104 and the limiting plates 105. The limiting plate 105 provides a fixing and limiting function for the limiting bar 104. It is convenient to fix the limiting plate 105 and the limiting bar 104 by the connecting bolt 106.

[0023] Secondly, the number of the lead screw sleeves 107 is multiple. The multiple lead screw sleeves 107 are respectively rotatably connected to the connecting seat 102 and are respectively located inside the connecting seat 102. The number of the external gear rings 108 is multiple. The multiple external gear rings 108 are respectively fixedly connected to the lead screw sleeves 107 and are respectively located outside the lead screw sleeves 107. The number of the fixing rods 109 is multiple. One fixing rod 109 is respectively threadedly connected to both ends of each lead screw sleeve 107. The lead screw sleeve 107 provides a transmission effect for the external gear ring 108 and the fixing rod 109. After installing the connecting seat 102 between two sections of the precast wall bodies 101, by passing an external rack through the connecting seat 102, the lead screw sleeve 107 and the external gear ring 108 are rotated, and at the same time, the fixing rods 109 at both ends of the lead screw sleeve 107 are respectively moved outwards, which is convenient for fixing the position of the connecting seat 102 and at the same time enhances the strength of the connecting component.

[0024] Thirdly, the number of the guiding strips 110 is multiple. The multiple guiding strips 110 are respectively fixedly connected to the fixing rods 109 and are respectively located outside the fixing rods 109. The guiding strips 110 provide a limiting effect for the fixing rods 109, so that when the lead screw sleeve 107 rotates, the fixing rods 109 can move along the guiding strips 110.

[0025] When using a precast concrete shear wall connection node structure of this embodiment, the precast wall body 101 is a precast concrete shear wall. The connecting seat 102 provides a supporting effect for the connecting component. The fixing strip 103 and the limiting strip 104 provide a limiting effect for the connecting seat 102. When connecting the shear wall, through the limiting effect provided by the fixing strip 103 and the limiting strip 104, it is convenient to install the connecting seat 102 between two sections of the precast wall bodies 101, and then fix between the limiting strip 104 and the precast wall body 101 through the limiting plate 105 and the connecting bolt 106. The position of the connecting seat 102 is fixed through the fixing component, avoiding the sliding of the connecting seat 102 and at the same time ensuring the strength of the precast wall body 101, and solving the problem that when installing a precast concrete shear wall connection node structure, multiple steel bars need to be inserted into corresponding through grooves, and at this time, the upper wall body needs to be lifted, increasing the labor cost.

[0026] The second embodiment of this application is as follows:

[0027] On the basis of the first embodiment, please refer to Figure 4 , wherein, Figure 4 is the overall structural schematic diagram of a precast concrete shear wall connection node structure of the second embodiment of the present utility model.

[0028] The precast concrete shear wall connection joint structure of this embodiment further includes a sealing assembly, and the sealing assembly includes a sealing seat 201, a sealing plate 202 and a sealing bolt 203.

[0029] For this specific embodiment, the number of the sealing seats 201 is four. The four sealing seats 201 are respectively slidably connected to the precast wall 101 and are respectively located inside the precast wall 101. The number of the sealing plates 202 is two. The two sealing plates 202 are respectively fixedly connected to the sealing seats 201 and are respectively located between the four sealing seats 201. The number of the sealing bolts 203 is multiple. The multiple sealing bolts 203 are respectively threadedly connected to the precast wall 101 and respectively pass through the sealing seats 201. The sealing seats 201 provide a supporting effect for the sealing plates 202, and the sealing plates 202 provide a sealing effect for the connection position between the connection seat 102 and the precast wall 101, avoiding the phenomenon of water seepage from the connection position between the connection seat 102 and the precast wall 101. Through the sealing bolts 203, it is convenient to install the sealing seats 201 and the sealing plates 202 on the outer side of the precast wall 101.

[0030] When using the precast concrete shear wall connection joint structure of this embodiment, the sealing seats 201 provide a supporting effect for the sealing plates 202, and the sealing plates 202 provide a sealing effect for the connection position between the connection seat 102 and the precast wall 101, avoiding the phenomenon of water seepage from the connection position between the connection seat 102 and the precast wall 101. Through the sealing bolts 203, it is convenient to install the sealing seats 201 and the sealing plates 202 on the outer side of the precast wall 101.

[0031] The above-disclosed are only one or more preferred embodiments of the present application, and the scope of rights of the present application cannot be limited thereby. Those of ordinary skill in the art can understand the whole or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present application still fall within the scope covered by the present application.

Claims

1. A precast concrete shear wall connection joint structure, comprising two sections of precast walls, characterized in that, it further comprises a connection assembly, a fixing assembly and a sealing assembly; The connection assembly includes a connection seat, fixing bars and limiting bars. The connection seat is slidably connected to the precast wall and is located between the two sections of the precast wall. The number of the fixing bars is two, and the two fixing bars are respectively fixedly connected to the connection seat and are respectively located inside the precast wall. The number of the limiting bars is multiple, and the multiple limiting bars are respectively fixedly connected to the two fixing bars and are respectively located on both sides of the fixing bars. The fixing assembly is connected to the connection seat, and the sealing assembly is connected to the precast wall.

2. The precast concrete shear wall connection joint structure according to claim 1, characterized in that, The connection assembly further includes limiting plates and connection bolts. The number of the limiting plates is multiple, and the multiple limiting plates are respectively slidably connected to the precast wall and are respectively located outside the limiting bars. The number of the connection bolts is multiple, and the multiple connection bolts are respectively threadedly connected to the precast wall and respectively pass through the limiting bars and the limiting plates.

3. The precast concrete shear wall connection joint structure according to claim 1, characterized in that, The fixing assembly includes screw rod sleeves, external gear rings and fixing rods. The number of the screw rod sleeves is multiple, and the multiple screw rod sleeves are respectively rotatably connected to the connection seat and are respectively located inside the connection seat. The number of the external gear rings is multiple, and the multiple external gear rings are respectively fixedly connected to the screw rod sleeves and are respectively located outside the screw rod sleeves. The number of the fixing rods is multiple, and one fixing rod is respectively threadedly connected to both ends of each screw rod sleeve.

4. The precast concrete shear wall connection joint structure according to claim 3, characterized in that, The fixing assembly further includes guiding bars. The number of the guiding bars is multiple, and the multiple guiding bars are respectively fixedly connected to the fixing rods and are respectively located outside the fixing rods.

5. The precast concrete shear wall connection joint structure according to claim 1, characterized in that, The sealing assembly includes sealing seats, sealing plates and sealing bolts. The number of the sealing seats is four, and the four sealing seats are respectively slidably connected to the precast wall and are respectively located inside the precast wall. The number of the sealing plates is two, and the two sealing plates are respectively fixedly connected to the sealing seats and are respectively located between the four sealing seats. The number of the sealing bolts is multiple, and the multiple sealing bolts are respectively threadedly connected to the precast wall and respectively pass through the sealing seats.

Citation Information

Patent Citations

  • Prefabricated concrete shear wall connection node structure

    CN220704849U