Keel joint connecting structure
By setting connectors and guide grooves and mounting holes at both ends of the horizontal keel to connect with the vertical keel, the horizontal and vertical keels are connected synchronously, solving the problem that the horizontal keel cannot be assembled later and improving construction efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- THE THIRD CONSTR CO LTD OF CHINA CONSTR THIRD ENG BUREAU
- Filing Date
- 2025-05-27
- Publication Date
- 2026-05-05
AI Technical Summary
The traditional method of connecting horizontal and vertical keels in framed curtain walls makes it impossible to assemble the horizontal keels later, and the construction efficiency is low.
The horizontal keel is connected to the vertical keel at intervals through connectors at both ends. The connectors are equipped with guide grooves and mounting holes to achieve synchronous connection between the horizontal and vertical keels and to achieve precise alignment through the guide grooves.
It improves the connection efficiency between horizontal and vertical keels, reduces the alignment accuracy requirements, and improves construction efficiency.
Smart Images

Figure CN224200112U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of construction node structure technology, and in particular to a keel node connection structure. Background Technology
[0002] Traditional framed curtain walls typically use angle brackets or steel pins to connect the horizontal and vertical keels. Construction must follow a linear process of "single-sided vertical keel → connecting accessories → fixing one end of the horizontal keel → opposite-sided vertical keel → connecting the other end of the horizontal keel", and so on, in an orderly manner.
[0003] This connection method means that the horizontal keel cannot be assembled after the vertical keels on both sides are assembled, and precise alignment of the vertical keels on both sides with the connectors is required, resulting in low construction efficiency. Utility Model Content
[0004] The main purpose of this utility model is to propose a keel node connection structure, which aims to solve the problems of existing keel connection methods where horizontal keels cannot be assembled later and construction efficiency is low.
[0005] To achieve the above objectives, this utility model proposes a keel node connection structure, including a horizontal keel and two vertical keels. The two vertical keels are spaced apart in the x-direction. The two ends of the horizontal keel are respectively connected to the two vertical keels through two connectors. Each vertical keel has a mounting part on the side facing the horizontal keel. The end of the connector facing the vertical keel has a first mounting hole and a first guide groove for the mounting part to slide into. The first mounting hole communicates with the first guide groove, and the mounting part is connected to the first mounting hole.
[0006] According to some embodiments of the present invention, the first guide groove extends along the y direction, and two mounting parts are connected to the side of the vertical keel facing the horizontal keel. The end of the connector facing the vertical keel is also provided with a second guide groove and a second mounting hole that can be connected to the mounting parts. The second mounting hole is located on the side of the first guide groove in the z direction, and the second mounting hole communicates with the first guide groove through the second guide groove.
[0007] According to some embodiments of the present invention, the second guide groove is inclined in a direction away from the first mounting hole.
[0008] According to some embodiments of the present invention, two second mounting holes and two second guide grooves are provided, and the two second mounting holes and the two second guide grooves are symmetrically arranged with the first guide groove as the axis of symmetry.
[0009] According to some embodiments of the present invention, the horizontal keel is hollow and open at both ends, and the connector is disposed inside the horizontal keel and connected to the inner wall of the horizontal keel.
[0010] According to some embodiments of the present invention, the connector includes a first connecting part and a second connecting part that are connected to each other. The first connecting part is connected to the inner wall of the horizontal keel, and the second connecting part is connected to the vertical keel. The first guide groove includes a first groove segment and a second groove segment that are connected to each other. The first groove segment is formed on the first connecting part, and the second connecting part is provided with the second groove segment and the first mounting hole.
[0011] According to some embodiments of the present invention, the connector further includes a third connecting part, the first connecting part and the third connecting part are connected through the second connecting part, the first connecting part is connected to an inner wall of the transverse keel in the y direction, and the third connecting part abuts against another inner wall of the transverse keel in the y direction.
[0012] According to some embodiments of the present invention, the connector is movable and adjustable relative to the horizontal keel in its length direction.
[0013] According to some embodiments of this utility model, it further includes an L-shaped connecting plate and screws. The L-shaped connecting plate is connected to the vertical keel and is located on the side of the horizontal keel facing away from the connector. The outer side of the horizontal keel has a groove extending in the x-direction relative to the first guide groove. A first connecting hole is formed at the bottom of the groove. A second connecting hole and a third connecting hole are formed on the L-shaped connecting plate and the connector respectively. The screw passes through the second connecting hole, the first connecting hole and the third connecting hole in sequence and is connected and fixed.
[0014] According to some embodiments of this utility model, it also includes a mounting member, wherein the vertical keel has a through hole in the x direction, the mounting member passes through the through hole, and both ends of the mounting member extend from the through holes on both sides of the vertical keel to form two mounting portions.
[0015] This utility model has at least the following beneficial effects:
[0016] In this invention, two vertical keels are first installed at intervals in the x-direction. Each vertical keel has a mounting part connected to the side facing the horizontal keel. Since both ends of the horizontal keel are connected to connectors, and the connectors have a first guide groove and a first mounting hole, the construction personnel drive the horizontal keel to move between the two vertical keels, causing the first guide groove to move, so that the mounting part slides into the first guide groove and moves relative to the first guide groove until it moves to the first mounting hole and connects with the first mounting hole, thus realizing the connection between one end of the horizontal keel and the corresponding vertical keel. The mounting part on the other vertical keel moves synchronously relative to the first guide groove on the other connector and connects with the other mounting hole, thus realizing the connection between the other end of the horizontal keel and the other vertical keel. This invention connects two mounting parts at the same position on the two vertical keels. Each of the two connecting parts is provided with a first guide groove and a first mounting hole at a relative position. This enables the synchronous connection and subsequent assembly of both ends of the horizontal keel with the two vertical keels, eliminating the need to connect the horizontal keel to each of the two vertical keels one by one, thus improving connection efficiency. Furthermore, the first guide groove enables precise alignment of the mounting part with the first mounting hole, greatly improving construction efficiency. Attached Figure Description
[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0018] Figure 1 An exploded view of a keel node connection structure provided in an embodiment of this utility model;
[0019] Figure 2 for Figure 1 A schematic diagram of the connecting parts in the diagram;
[0020] Figure 3 for Figure 1 A cross-sectional view of the horizontal and vertical keels after they are connected.
[0021] Explanation of reference numerals in the attached figures:
[0022] 100-Keel node connection structure; 1-Horizontal keel; 11-Groove; 2-Vertical keel; 21-Through hole; 3-Connector; 31-First connecting part; 32-Second connecting part; 321-First mounting hole; 322-First guide groove; 3221-First groove segment; 3222-Second groove segment; 323-Second guide groove; 324-Second mounting hole; 33-Third connecting part; 4-L-shaped connecting plate; 5-Screw; 6-Mounting part; 61-Mounting part; 7-Strip. Detailed Implementation
[0023] The technical solutions in the embodiments of this utility model are described clearly and completely below. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0024] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.
[0025] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the meaning of "and / or" throughout the text includes three parallel solutions; for example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.
[0026] This utility model provides a keel node connection structure. Figures 1 to 3 This invention provides a specific embodiment of a keel node connection structure.
[0027] like Figures 1 to 3As shown, this utility model embodiment provides a keel node connection structure 100, including a horizontal keel 1 and two vertical keels 2. The two vertical keels 2 are spaced apart in the x-direction. The two ends of the horizontal keel 1 are respectively connected to the two vertical keels 2 through two connectors 3. Each vertical keel 2 has a mounting part 61 on the side facing the horizontal keel 1. The end of the connector 3 facing the vertical keel 2 has a first mounting hole 321 and a first guide groove 322 for the mounting part 61 to slide into. The first mounting hole 321 communicates with the first guide groove 322, and the mounting part 61 is connected to the first mounting hole 321.
[0028] In this invention, two vertical keels 2 are first installed at intervals in the x-direction. Each vertical keel 2 has a mounting part 61 connected to the side facing the horizontal keel 1. Since the two ends of the horizontal keel 1 are respectively connected to connectors 3, and the connectors 3 have a first guide groove 322 and a first mounting hole 321, the construction personnel drive the horizontal keel 1 to move between the two vertical keels 2, thereby moving the first guide groove 322 so that the mounting part 61 slides into the first guide groove 322 and moves relative to the first guide groove 322 until it moves to the first mounting hole 321 and connects with the first mounting hole 321. This realizes the connection between one end of the horizontal keel 1 and the corresponding vertical keel 2. The mounting part 61 on the other vertical keel 2 moves synchronously relative to the first guide groove 322 on the other connector 3 and connects with the other mounting hole, thereby realizing the connection between the other end of the horizontal keel 1 and the other vertical keel 2. This invention connects two mounting parts 61 at the same position on the two vertical keels 2, and the two connectors 3 are provided with the first guide groove 322 and the first mounting hole 321 at opposite positions. This enables the synchronous connection and subsequent assembly of both ends of the horizontal keel 1 with the two vertical keels 2, eliminating the need to connect the horizontal keel 1 to each of the two vertical keels 2 one by one, thus improving connection efficiency. Furthermore, the first guide groove 322 enables precise alignment of the mounting part 61 with the first mounting hole 321, greatly improving construction efficiency.
[0029] It should be noted that after the mounting part 61 is connected to the first mounting hole 321, a nut is threaded onto the end of the mounting part 61. The outer diameter of the nut is larger than the diameter of the first mounting hole 321 to restrict the movement of the connector 3 in the x direction.
[0030] Specifically, such as Figure 1 As shown, a support strip 7 for supporting the glass is installed on the horizontal keel 1, and a recessed glue groove extending along its length is opened on the vertical keel 2. An EPDM rubber strip is installed in the recessed glue groove, which achieves the heat insulation effect while preventing the glass from breaking due to rigid contact with the vertical keel 2.
[0031] Since the horizontal keel 1 and the vertical keel 2 are connected only by the mounting part 61, the connection between the mounting part 61 and the vertical keel 2 is subjected to large shear forces, making it prone to breakage. Therefore, in some embodiments, such as Figure 1 and Figure 3 As shown, the keel node connection structure 100 also includes a mounting member 6. The vertical keel 2 has a through hole 21 in the x-direction. The mounting member 6 passes through the through hole 21, and both ends of the mounting member 6 extend from the through holes 21 on both sides of the vertical keel 2 to form two mounting portions 61. With this configuration, the pressure transmitted from the horizontal keel 1 to the mounting portion 61 can be distributed to the entire mounting member 6 and transmitted from the connection between the mounting member 6 and the through holes 21 on both sides of the vertical keel 2 to the two sides of the vertical keel 2, reducing the stress at the connection between the mounting member 6 and the through hole 21.
[0032] The fact that the horizontal keel 1 and the vertical keel 2 are connected only by a mounting part 61 and a first mounting hole 321 may cause the horizontal keel 1 to twist. Therefore, in some embodiments, such as Figure 1 and Figure 2 As shown, the first guide groove 322 extends along the y-direction. Two mounting portions 61 are connected to the side of the vertical keel 2 facing the horizontal keel 1. The connector 3, at its end facing the vertical keel 2, also has a second guide groove 323 and a second mounting hole 324 that can connect to the mounting portion 61. The second mounting hole 324 is located on the z-direction side of the first guide groove 322, and the second mounting hole 324 communicates with the first guide groove 322 through the second guide groove 323. With this configuration, the connection between one of the mounting portions 61 and the first mounting hole 321 restricts the movement of the horizontal keel 1 in the z-direction, while the connection between the other mounting portion 61 and the second mounting hole 324 restricts the movement of the horizontal keel 1 in the y-direction. The two connecting portions cooperate to restrict the torsion of the horizontal keel 1.
[0033] Furthermore, in some embodiments, such as Figure 2 As shown, the second guide groove 323 is inclined away from the first mounting hole 321. The inclined arrangement of the second guide groove 323 makes it easier for the construction personnel to drive the horizontal keel 1, thereby allowing the two mounting parts 61 to move within the first guide groove 322. First, one mounting part 61 continues to move along the first guide groove 322 to the first mounting hole 321. Then, the horizontal keel 1 is rotated, causing the other mounting part 61 to enter the second guide groove 323 and move along the inclined second guide groove 323 to the second mounting hole 324.
[0034] Furthermore, in some embodiments, such as Figure 2 As shown, there are two of each of the second mounting holes 324 and the second guide grooves 323, and the two second mounting holes 324 and the two second guide grooves 323 are symmetrically arranged about the first guide groove 322 as an axis of symmetry. Because the two second mounting holes 324 and the two second guide grooves 323 are symmetrically arranged, construction personnel can connect the mounting part 61 to different second mounting holes 324 according to the actual installation angle requirements of the horizontal keel 1.
[0035] Because the pressure generated by the gravity of the horizontal keel 1 is transmitted to the connector 3, the connection between the connector 3 and the horizontal keel 1 is subjected to a large shear force. Therefore, in some embodiments, such as Figure 1 and Figure 3 As shown, the horizontal keel 1 is hollow and open at both ends. The connector 3 is disposed inside the horizontal keel 1 and connected to the inner wall of the horizontal keel 1. By disposing of the connector 3 inside the horizontal keel 1, the shear force is distributed throughout the connector 3, preventing breakage at the connection between the connector 3 and the horizontal keel 1.
[0036] The specific structure of the connector 3 is not limited, as long as the connector 3 is connected to the inner wall of the horizontal keel 1. For example, in some embodiments, such as... Figures 1 to 3 As shown, the connector 3 includes a first connecting part 31 and a second connecting part 32 that are connected to each other. The first connecting part 31 is connected to the inner wall of the horizontal keel 1, and the second connecting part 32 is connected to the vertical keel 2. The first guide groove 322 includes a first groove segment 3221 and a second groove segment 3222 that are connected to each other. The first groove segment 3221 is formed on the first connecting part 31, and the second connecting part 32 has the second groove segment 3222 and the first mounting hole 321. With this configuration, the connector 3 is formed by splicing two connecting parts, which reduces the manufacturing cost of the connector 3 and the overall weight of the connector 3 and the horizontal keel 1, thereby reducing the pressure on the mounting part 61.
[0037] Furthermore, in some embodiments, such as Figures 1 to 3As shown, the connector 3 further includes a third connecting portion 33. The first connecting portion 31 and the third connecting portion 33 are connected through the second connecting portion 32. The first connecting portion 31 is connected to one inner wall of the horizontal keel 1 in the y-direction, and the third connecting portion 33 abuts against another inner wall of the horizontal keel 1 in the y-direction. This arrangement allows the third connecting portion 33 to share the pressure transmitted by the horizontal keel 1. Furthermore, because the third connecting portion 33 abuts against one inner wall of the horizontal keel 1, the connector 3 is positioned within the horizontal keel 1, facilitating the subsequent connection and fixation of the first connecting portion 31 to the other inner wall of the horizontal keel 1. Additionally, the third connecting portion 33 can share the shear force experienced at the connection between the first connecting portion 31 and the second connecting portion 32 when the horizontal keel 1 twists in the horizontal direction.
[0038] Specifically, such as Figure 2 and Figure 3 As shown, the first connecting part 31, the second connecting part 32, and the third connecting part 33 are integrally formed. This arrangement improves the structural strength of the entire connector 3.
[0039] To accommodate more sizes of horizontal keel 1, in some embodiments, the connector 3 is adjustable in its length relative to the horizontal keel 1. This configuration allows for the adaptation of horizontal keels 1 of different lengths by adjusting the distance the connector 3 extends from the opening of the horizontal keel 1.
[0040] Furthermore, in some embodiments, such as Figure 1 and Figure 3 As shown, the keel node connection structure 100 also includes an L-shaped connecting plate and screws 5. The L-shaped connecting plate is connected to the vertical keel 2 and is located on the side of the horizontal keel 1 facing away from the connector 3. A groove 11 extending in the x-direction is formed on the outer side of the horizontal keel 1 opposite to the first guide groove 322. A first connecting hole is formed at the bottom of the groove 11. A second connecting hole and a third connecting hole are formed on the L-shaped connecting plate and the connector 3 respectively. The screws 5 pass through the second connecting hole, the first connecting hole, and the third connecting hole in sequence and are connected and fixed. With this configuration, the L-shaped connecting plate, the horizontal keel 1, and the connector 3 are connected by the screws 5. Since one end of the L-shaped connecting plate is connected to the vertical keel 2, the movement of the connector 3 relative to the vertical keel 2 in the x-direction can be restricted.
[0041] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A keel node connection structure, characterized in that, It includes a horizontal keel and two vertical keels, the two vertical keels being spaced apart in the x-direction. The two ends of the horizontal keel are respectively connected to the two vertical keels by two connectors. Each vertical keel has a mounting part on the side facing the horizontal keel. The end of the connector facing the vertical keel has a first mounting hole and a first guide groove for the mounting part to slide into. The first mounting hole communicates with the first guide groove, and the mounting part is connected to the first mounting hole.
2. The keel node connection structure as described in claim 1, characterized in that, The first guide groove extends along the y-direction. Two mounting parts are connected to the side of the vertical keel facing the horizontal keel. The end of the connector facing the vertical keel is also provided with a second guide groove and a second mounting hole that can be connected to the mounting parts. The second mounting hole is located on the side of the first guide groove in the z-direction, and the second mounting hole communicates with the first guide groove through the second guide groove.
3. The keel node connection structure as described in claim 2, characterized in that, The second guide groove is inclined in a direction away from the first mounting hole.
4. The keel node connection structure as described in claim 3, characterized in that, There are two of each of the second mounting holes and the second guide grooves, and the two second mounting holes and the two second guide grooves are symmetrically arranged about the first guide groove as an axis of symmetry.
5. The keel node connection structure as described in claim 1, characterized in that, The horizontal keel is hollow and open at both ends. The connector is located inside the horizontal keel and connected to the inner wall of the horizontal keel.
6. The keel node connection structure as described in claim 5, characterized in that, The connector includes a first connecting part and a second connecting part that are connected to each other. The first connecting part is connected to the inner wall of the horizontal keel, and the second connecting part is connected to the vertical keel. The first guide groove includes a first groove segment and a second groove segment that are connected to each other. The first groove segment is formed on the first connecting part, and the second connecting part is provided with the second groove segment and the first mounting hole.
7. The keel node connection structure as described in claim 6, characterized in that, The connector further includes a third connecting part, the first connecting part and the third connecting part are connected through the second connecting part, the first connecting part is connected to an inner wall of the horizontal keel in the y direction, and the third connecting part abuts against another inner wall of the horizontal keel in the y direction.
8. The keel node connection structure as described in claim 5, characterized in that, The connector is adjustable relative to the horizontal keel in its length direction.
9. The keel node connection structure as described in claim 5, characterized in that, It also includes an L-shaped connecting plate and screws. The L-shaped connecting plate is connected to the vertical keel and is located on the side of the horizontal keel facing away from the connector. The outer side of the horizontal keel has a groove extending in the x-direction relative to the first guide groove. A first connecting hole is formed at the bottom of the groove. A second connecting hole and a third connecting hole are formed on the L-shaped connecting plate and the connector respectively. The screw passes through the second connecting hole, the first connecting hole and the third connecting hole in sequence and is connected and fixed.
10. The keel node connection structure as described in claim 1, characterized in that, It also includes a mounting component, wherein the vertical keel has a through hole in the x direction, the mounting component passes through the through hole, and both ends of the mounting component extend from the through holes on both sides of the vertical keel to form two mounting portions.