Keel connector for double-cavity keel
By designing a keel joint for double cavity keels, the fast lengthening is achieved by combining the keel slots and the keel slots, which solves the problem that standardized production cannot meet the needs of the field length, and improves assembly efficiency and connection firmness.
Patent Information
- Application Number
- CN202422409980.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-08
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-10-08
AI Technical Summary
The double-cavity keel produced in batches cannot meet the length requirements of all on-site environments, and the on-site welding extension method is inefficient.
A keel joint for double cavity keels is designed, including the intermediate connecting plate, outer panel, inner panel, main card board, secondary card board and card board connecting strip. It can be quickly lengthened by the combination of the card slot and the card slot, and adopts arc-shaped and rounded corner design to improve safety and humanization.
It improves the assembly efficiency of double cavities keels, solves the problem of excessively long-term on-site extension, and achieves fast and firm connections.
Smart Images

Figure CN223119232U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of integrated wall installation, and particularly relates to a keel joint for a double-cavity keel. Background Art
[0002] With the rise of green buildings, products of prefabricated buildings and prefabricated decoration have huge market prospects. The light steel keel framework structure has advantages such as good performance, light self-weight, high degree of industrialization, fast construction speed, and low labor intensity. The light steel keel framework structure is widely used in prefabricated walls, especially in prefabricated high-sound insulation partition walls.
[0003] However, due to different usage environments, some batch-standardized double-cavity keels cannot meet the length requirements of all on-site environments, and the double-cavity keels need to be lengthened. The method of welding and lengthening the double-cavity keels on-site is too time-consuming, greatly affecting the assembly work efficiency. The double-cavity keel includes an H-shaped structure and C-shaped structures symmetrically arranged on both sides of the H-shaped structure. The H-shaped structure includes an H-shaped structure middle plate and two groups of symmetrically arranged H-shaped structure side plates. The C-shaped structure includes a C-shaped structure bottom plate and a C-shaped structure outer plate.
[0004] Therefore, it is necessary to design a keel joint for a double-cavity keel to meet the need for lengthening the double-cavity keel. Summary of the Invention
[0005] The purpose of the utility model is to provide a keel joint for a double-cavity keel to solve the problem that the batch-standardized double-cavity keels cannot meet the length requirements of all on-site environments, and the method of welding and lengthening the double-cavity keels on-site is too time-consuming as mentioned in the background art.
[0006] To achieve the above purpose, the utility model provides a keel joint for a double-cavity keel, which includes an intermediate connecting plate, outer plates, inner plates, main clamping plates, auxiliary clamping plates, and clamping plate connecting strips; the outer plates include a first outer plate and a second outer plate, the inner plates include a first inner plate and a second inner plate, and the outer plates and the inner plates are all parallel to each other; the main clamping plates include a first main clamping plate and a second main clamping plate and the main clamping plates are all in the same plane;
[0007] Two long sides of the intermediate connecting plate are respectively connected to one long side of the first inner plate and the second inner plate. The inner plates are perpendicular to the intermediate connecting plate and are all on the same side of the plane where the intermediate connecting plate is located; the other long side of the first inner plate is connected to one long side of the first main clamping plate, and the other long side of the first main clamping plate is connected to one long side of the first outer plate; the other long side of the second inner plate is connected to one long side of the second main clamping plate, and the other long side of the second main clamping plate is connected to one long side of the second outer plate;
[0008] The plane where the main card board is located is perpendicular to the outer side board. Both the outer side board and the inner side board are on the same side of the plane where the main card board is located, and the secondary card board is on the other side of the plane where the main card board is located.
[0009] One side edge of the secondary card board is connected to the board surface of the main card board through a card board connecting strip. The secondary card board, the card board connecting strip and the main card board cooperate to form a card board slot; two secondary card boards are respectively connected to each main card board through two card board connecting strips, and the openings of the two formed card board slots are respectively oriented towards the two ends of the length direction of the main card board.
[0010] In a specific embodiment, holes with the same shape as the board surface of the secondary card board are provided at the positions on the main card board corresponding to the secondary card board.
[0011] In a specific embodiment, the edge of the end of the secondary card board that is farther away from the connected card board connecting strip is arc-shaped.
[0012] In a specific embodiment, the keel joint for the double-cavity keel further includes an intermediate card board. Intermediate card boards are connected and arranged at both ends of the length direction of the intermediate connecting board. The side edges in the width direction of the intermediate card board cooperate with the adjacent inner side boards to form a middle slot; the two corners of the intermediate card board that are far away from the intermediate connecting board are set as rounded corners.
[0013] In a specific embodiment, the outer side board, the main card board, and the inner side board are all long strip-shaped boards with equal lengths; the width of the outer side board is 3 - 10 mm smaller than the width of the outer side board of the C-shaped structure of the double-cavity keel.
[0014] In a specific embodiment, the width of the main card board is 3 - 10 mm smaller than the width of the bottom board of the C-shaped structure of the double-cavity keel.
[0015] In a specific embodiment, the secondary card boards are all in the same plane; the distance between the card board connecting strips connected to the same main card board is equal to the length of the intermediate connecting board.
[0016] In a specific embodiment, the sum of the lengths of the intermediate connecting board and the intermediate card boards connected at both ends is less than the length of the inner side board.
[0017] In a specific embodiment, the main card board and the secondary card board are arranged in parallel, and the distance between the main card board and the secondary card board is equal to the thickness of the bottom board of the C-shaped structure of the double-cavity keel.
[0018] In a specific embodiment, the keel joint for the double-cavity keel is integrally formed.
[0019] Compared with the prior art, the present utility model has the following beneficial effects:
[0020] The utility model solves the problem that the double-cavity keel for batch standardized production needs to be lengthened on the construction site during use.
[0021] In the design of the utility model, the arc-shaped and rounded corner designs are adopted in many places, which is more user-friendly.
[0022] Using the utility model improves the assembly efficiency of the double-cavity keel in specific use. When the double-cavity keel originally needed to be lengthened by welding, only the utility model can be used to quickly complete the lengthening operation.
[0023] In addition to the purposes, features and advantages described above, the utility model has other purposes, features and advantages. The following will refer to the drawings to further elaborate on the utility model in detail. Brief Description of the Drawings
[0024] The drawings constituting a part of this application are used to provide a further understanding of the utility model. The schematic embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an improper limitation to the utility model. In the drawings:
[0025] Figure 1 is a schematic diagram of an embodiment of the utility model;
[0026] Figure 2 is a schematic diagram of the top view direction of an embodiment of the utility model;
[0027] Figure 3 is a schematic diagram of the right view direction of an embodiment of the utility model;
[0028] Figure 4 is a schematic diagram of the front view direction of an embodiment of the utility model;
[0029] Figure 5 is a schematic diagram of an embodiment of the utility model with double-cavity keels connected at both ends;
[0030] Figure 6 is a schematic diagram of a double-cavity keel;
[0031] Among them, 1, intermediate connecting plate; 2, intermediate clamping plate; 3, outer plate; 4, inner plate; 5, main clamping plate; 6, auxiliary clamping plate; 7, clamping plate connecting strip; 31, first outer plate; 32, second outer plate; 41, first inner plate; 42, second inner plate; 51, first main clamping plate; 52, second main clamping plate; 01, H-shaped structure intermediate plate; 02, H-shaped structure side plate; 03, C-shaped structure bottom plate; 04, C-shaped structure outer plate. Detailed Description of the Specific Embodiment
[0032] The embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. However, the present utility model can be implemented in many different ways as defined and covered by the claims.
[0033] Embodiment 1
[0034] A keel joint for a double-cavity keel provided by the present utility model includes an intermediate connecting plate 1, an intermediate clamping plate 2, an outer plate 3, an inner plate 4, a main clamping plate 5, a secondary clamping plate 6, and a clamping plate connecting strip 7; the outer plate 3, the main clamping plate 5, and the inner plate 4 are all long strip-shaped plates with equal lengths; the outer plate 3 includes a first outer plate 31 and a second outer plate 32, the inner plate 4 includes a first inner plate 41 and a second inner plate 42, and the outer plate 3 and the inner plate 4 are parallel to each other; the main clamping plate 5 includes a first main clamping plate 51 and a second main clamping plate 52 and the main clamping plates 5 are all in the same plane;
[0035] Two long sides of the intermediate connecting plate 1 are respectively connected to one long side of the first inner plate 41 and the second inner plate 42, and the first inner plate 41 and the second inner plate 42 are both perpendicular to the intermediate connecting plate 1 and are both on the same side of the plane where the intermediate connecting plate 1 is located; intermediate clamping plates 2 are connected to both ends of the intermediate connecting plate 1 in the length direction, and the side edges in the width direction of the intermediate clamping plates 2 cooperate with the adjacent inner plates 4 to form a middle clamping groove; the middle clamping groove is used to clamp the side plates of the H-shaped structure of the double-cavity keel.
[0036] The other long side of the first inner plate 41 is connected to one long side of the first main clamping plate 51, and the other long side of the first main clamping plate 51 is connected to one long side of the first outer plate 31; the other long side of the second inner plate 42 is connected to one long side of the second main clamping plate 52, and the other long side of the second main clamping plate 52 is connected to one long side of the second outer plate 32;
[0037] The plane where the main clamping plate 5 is located is perpendicular to the outer plate 3, the outer plate 3 and the inner plate 4 are both on the same side of the plane where the main clamping plate 5 is located, and the secondary clamping plate 6 is on the other side of the plane where the main clamping plate 5 is located;
[0038] One side edge of the secondary clamping plate 6 is connected to the plate surface of the main clamping plate 5 through a clamping plate connecting strip 7, and the secondary clamping plate 6, the clamping plate connecting strip 7, and the main clamping plate 5 cooperate to form a clamping plate groove; the clamping plate groove is used to clamp the C-shaped structure bottom plate on one side of the double-cavity keel.
[0039] Two secondary clamping plates 6 are respectively connected to each main clamping plate 5 through two clamping plate connecting strips 7, and the openings of the two formed clamping plate grooves are respectively oriented towards both ends of the main clamping plate 5 in the length direction; the distance between the clamping plate connecting strips 7 connected to the same main clamping plate 5 is equal to the length of the intermediate connecting plate 7.
[0040] A hole with the same shape as the surface of the secondary card board 6 is provided at the position on the main card board 5 corresponding to the secondary card board 6, which is more convenient for processing and manufacturing with a single piece of board material.
[0041] The edge of the end of the secondary card board 6 that is farther from the connected card board connecting strip 7 is arc-shaped, which reduces the scratching of the double-cavity keel caused by sharp corners and is also safer.
[0042] The two corners of the intermediate card board 2 that are far from the intermediate connecting plate 1 are set as rounded corners, and the rounded corners can reduce scratching and are also more user-friendly.
[0043] The width of the outer plate 3 is 3-10 mm smaller than the width of the outer plate of the C-shaped structure of the double-cavity keel. Preferably, the width of the outer plate 3 just fits the inner side surface of the outer plate of the C-shaped structure of the double-cavity keel.
[0044] The width of the main card board 5 is 3-10 mm smaller than the width of the bottom plate of the C-shaped structure of the double-cavity keel. Preferably, the width of the main card board 5 just fits and is inserted into the inner side surface of the bottom plate of the C-shaped structure of the double-cavity keel.
[0045] The secondary card boards are all in the same plane. The sum of the lengths of the intermediate connecting plate and the intermediate card boards connected at both ends is less than the length of the inner plate. The main card board 5 and the secondary card board 6 are arranged in parallel, and the distance between the main card board 5 and the secondary card board 6 is equal to the thickness of the bottom plate of the C-shaped structure of the double-cavity keel, so that it can be just inserted without shaking.
[0046] The keel joint for the double-cavity keel is integrally formed, making the whole structure more firm.
[0047] The secondary card board includes a first secondary card board, a second secondary card board, a third secondary card board and a fourth secondary card board; the card board connecting strip includes a first card board connecting strip, a second card board connecting strip, a third card board connecting strip and a fourth card board connecting strip;
[0048] The first secondary card board and the second secondary card board are respectively connected to the first main card board through the first card board connecting strip and the second card board connecting strip, and the first card board connecting strip is connected and arranged on the side of the first secondary card board close to the second secondary card board, and the second card board connecting strip is connected and arranged on the side of the second secondary card board close to the first secondary card board; the third secondary card board and the fourth secondary card board are respectively connected to the second main card board through the third card board connecting strip and the fourth card board connecting strip, and the third card board connecting strip is connected and arranged on the side of the third secondary card board close to the fourth secondary card board, and the fourth card board connecting strip is connected and arranged on the side of the fourth secondary card board close to the third secondary card board; the first card board connecting strip and the third card board connecting strip are on the same straight line, the second card board connecting strip and the fourth card board connecting strip are on the same straight line, the first card board connecting strip and the second card board connecting strip are arranged in parallel, and the distance between the first card board connecting strip and the second card board connecting strip is equal to the length of the intermediate connecting plate.
[0049] The double-cavity keel used in conjunction with the keel joint for double-cavity keels includes an H-shaped structure and C-shaped structures symmetrically arranged on both sides of the H-shaped structure;
[0050] The H-shaped structure includes an H-shaped structure middle plate 01 and two sets of symmetrically arranged H-shaped structure side plates 02. Each set of H-shaped structure side plates 02 includes a narrow side plate and at least one wide side plate arranged in a folded manner. One long side of the narrow side plate is connected to the long side of the wide side plate on the same side; the width of the narrow side plate is smaller than the width of the wide side plate; the two long sides of the H-shaped structure middle plate 01 are respectively connected to the other long sides of the narrow side plates of the two sets of H-shaped structure side plates 02, and the H-shaped structure middle plate 01 and the H-shaped structure side plates 02 are perpendicular to each other;
[0051] The C-shaped structure includes a C-shaped structure bottom plate 03 and a C-shaped structure outer side plate 04. One long side of the C-shaped structure bottom plate 03 is fixedly and perpendicularly connected to the other long side of the wide side plate of the H-shaped structure side plate 02, and the other long side of the C-shaped structure bottom plate 03 is fixedly and perpendicularly connected to one long side of the C-shaped structure outer side plate 04; and both the H-shaped structure and the C-shaped structure outer side plate 04 are located on the same side of the plane where the C-shaped structure bottom plate 03 is located.
[0052] Preferably, each set of H-shaped structure side plates 02 is provided with one wide side plate or two wide side plates.
[0053] When the keel joint for double-cavity keels is in use, two double-cavity keels used in conjunction are respectively inserted into the keel joint. Specifically, the C-shaped structure bottom plate 03 of the double-cavity keel is correspondingly inserted into the card slot of the keel joint, and the H-shaped structure side plate 02 is correspondingly inserted into the middle slot.
[0054] The above content is a further detailed description of the present invention in combination with specific preferred embodiments. It cannot be determined that the specific implementation of the present invention is only limited to these descriptions. For those of ordinary skill in the technical field to which the present invention belongs, without departing from the concept of the present invention, several simple deductions and substitutions can still be made, and all should be regarded as belonging to the protection scope of the present invention.
Claims
1. A keel joint for a double-cavity keel, characterized in that, It includes an intermediate connecting plate (1), outer plates (3), inner plates (4), main clamping plates (5), auxiliary clamping plates (6), and clamping plate connecting bars (7); the outer plates (3) include a first outer plate (31) and a second outer plate (32), the inner plates (4) include a first inner plate (41) and a second inner plate (42), and the outer plates (3) and the inner plates (4) are all parallel to each other; the main clamping plates (5) include a first main clamping plate (51) and a second main clamping plate (52) and the main clamping plates (5) are all in the same plane; Two long sides of the intermediate connecting plate (1) are respectively connected to one long side of the first inner plate (41) and the second inner plate (42), the inner plates (4) are all perpendicular to the intermediate connecting plate (1) and are all on the same side of the plane where the intermediate connecting plate (1) is located; the other long side of the first inner plate (41) is connected to one long side of the first main clamping plate (51), and the other long side of the first main clamping plate (51) is connected to one long side of the first outer plate (31); the other long side of the second inner plate (42) is connected to one long side of the second main clamping plate (52), and the other long side of the second main clamping plate (52) is connected to one long side of the second outer plate (32); the plane where the main clamping plates (5) are located is perpendicular to the outer plates (3), the outer plates (3) and the inner plates (4) are all on the same side of the plane where the main clamping plates (5) are located, and the auxiliary clamping plates (6) are on the other side of the plane where the main clamping plates (5) are located; one side edge of the auxiliary clamping plate (6) is connected to the plate surface of the main clamping plate (5) through a clamping plate connecting bar (7), and the auxiliary clamping plate (6), the clamping plate connecting bar (7) and the main clamping plate (5) cooperate to form a clamping plate card slot; two auxiliary clamping plates (6) are respectively connected to each main clamping plate (5) through two clamping plate connecting bars (7), and the openings of the two formed clamping plate card slots are respectively oriented towards both ends of the length direction of the main clamping plate (5).
2. The keel joint for a double-cavity keel according to claim 1, characterized in that, Holes with the same shape as the plate surface of the auxiliary clamping plate are provided at positions on the main clamping plate (5) corresponding to the auxiliary clamping plates (6).
3. The keel joint for a double-cavity keel according to claim 1, characterized in that, The edge of the end of the auxiliary clamping plate (6) that is farther away from the connected clamping plate connecting bar (7) is arc-shaped.
4. The keel joint for a double-cavity keel according to claim 1, characterized in that, The keel joint for the double-cavity keel further includes an intermediate clamping plate (2), intermediate clamping plates (2) are connected and arranged at both ends of the intermediate connecting plate (1) in the length direction, and the side edges in the width direction of the intermediate clamping plate (2) cooperate with the adjacent inner plates (4) to form a middle card slot; the two corners of the intermediate clamping plate (2) away from the intermediate connecting plate (1) are rounded.
5. The keel joint for a double-cavity keel according to claim 1, characterized in that, The outer plates (3), the main clamping plates (5), and the inner plates (4) are all strip-shaped plates with equal lengths; the width of the outer plates (3) is 3 - 10 mm smaller than the width of the outer plates of the C-shaped structure of the double-cavity keel.
6. The keel joint for a double-cavity keel according to claim 1, characterized in that, The width of the main clamping plates (5) is 3 - 10 mm smaller than the width of the bottom plate of the C-shaped structure of the double-cavity keel.
7. The keel joint for a double-cavity keel according to claim 1, characterized in that, The auxiliary clamping plates are all in the same plane; the distance between the clamping plate connecting bars (7) connected to the same main clamping plate (5) is equal to the length of the intermediate connecting plate (1).
8. The keel joint for a double-cavity keel according to claim 1, characterized in that, The sum of the lengths of the intermediate connecting plate and the intermediate clamping plates connected at both ends is less than the length of the inner plate.
9. The keel joint for a double-cavity keel according to claim 1, characterized in that, The main card board (5) and the auxiliary card board (6) are arranged in parallel, and the distance between the main card board (5) and the auxiliary card board (6) is equal to the thickness of the C-shaped structure bottom plate of the double-cavity keel.
10. The keel joint for a double-cavity keel according to claim 1, characterized in that, The keel joint for the double-cavity keel is integrally formed.