A connecting joint for improving the close joint effect of a board and the board
By using bridging plates and ribs in the splicing of panels, a sealed cavity is formed, which solves the problem of poor compactness of panel splicing and improves the stability and sealing effect of panel splicing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Filing Date
- 2025-06-30
- Publication Date
- 2026-07-14
AI Technical Summary
Existing building material splicing methods suffer from poor compactness and easy water seepage in the joints.
Using splicing structures A and B, a sealed chamber is formed through the design of bridging plates and ribs to ensure the stress balance of the bridging plates and the stability of the splicing. A segmented thickened structure is used to facilitate the judgment of proper splicing.
It improves the density of the board splicing, prevents warping and loosening, and ensures the stability and sealing effect of the splicing.
Smart Images

Figure CN224495440U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of building panels, and in particular to a connecting joint and a panel that improves the close splicing effect of the panels. Background Technology
[0002] As a type of prefabricated panel (honeycomb panel, wood-plastic composite panel, fireproof panel), spliced panels achieve overall splicing through tenon and mortise joints on both sides of the panel. Existing building panels mostly use traditional "convex" and "concave" structures for splicing. The advantages of this structure are its simple production and low cost. However, its disadvantages are also very obvious: because the interlocking surface is singular, the joint between the two panels is not very tight, and seepage is prone to occur in the seam. Therefore, it is essential to design a connecting joint and a panel that can improve the tightness of panel splicing. Utility Model Content
[0003] The purpose of this utility model is to provide a connecting joint and a board material that improves the close splicing effect of boards, so as to improve the problems existing in the splicing of traditional tenon and mortise structures.
[0004] To achieve the above objectives, this utility model provides the following technical solution:
[0005] A connecting joint for improving the close splicing effect of boards includes a splicing structure A and a splicing mechanism B;
[0006] The splicing mechanism A includes a body AA, a bridging plate AB, and a bridging plate AC. The bridging plate AB is connected to the upper part of the side facade of the body AA, and the upper plane of the bridging plate AB extends smoothly horizontally along the upper plane of the body AA. The bridging plate AC is connected to the lower part of the side facade where the bridging plate AB is located, and the bridging plate AB and the bridging plate AC form a groove. The lower surface of the bridging plate AB is provided with a rib AD, and the upper surface of the bridging plate AC is provided with a rib AE and a rib AF. The ribs AD, rib AE, and rib AF are arranged sequentially at intervals from the side closest to the body AA to the side furthest from the body AA.
[0007] The splicing mechanism B includes a body BA, a bridging plate BB, and a bridging plate BC. The bridging plate BB is connected to the upper part of the side facade of the body BA, and the upper plane of the bridging plate BB extends smoothly and horizontally along the upper plane of the body BA. The bridging plate BC is connected to the lower part of the side facade where the bridging plate BB is located. During splicing, the bridging plate BC extends into the groove, and the rib AD abuts against the upper surface of the bridging plate BC. The ribs AE and AF abut against the lower surface of the bridging plate BC. The end face of the bridging plate BB abuts against the end face of the bridging plate AB, and the upper surface of the bridging plate BB is flush with the upper surface of the bridging plate AB.
[0008] Preferably, a reinforcing rib connects the bridging plate BB and the bridging plate BC.
[0009] Preferably, the bridging plate BC includes a first part, a second part, and a third part. The first part, the second part, and the third part gradually increase in thickness from the side closer to the body BA to the side farther away from the body BA. Based on the upper and lower surfaces of the second part, the lower surface of the first part is higher than the lower surface of the second part, and the upper surface of the third part is higher than the upper surface of the second part. The rib AD presses against the upper surface of the third part, the rib AE presses against the lower surface of the second part, and the rib AF presses against the lower surface of the first part.
[0010] A board material for improving the close-fitting effect of boards includes a board body and connecting joints that improve the close-fitting effect of boards connected to both sides of the board body.
[0011] Preferably, the connecting joints on both sides of the plate body can be symmetrically spliced structure A, spliced structure A, or spliced structure B, spliced structure B, or a combination of spliced structure A on one side and spliced structure B on the other side.
[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. The advantage of the connection joint structure in this solution is that during the splicing process of the plates, the body AA and bridging plate AC of splicing structure A, as well as the body BA and bridging plate BC of splicing structure B, all abut against the supporting surface. At this time, the ribs AE and AF on the bridging plate AC can provide effective support for the lower surface of the bridging plate BC inserted into the groove, and this support is distributed at both ends of the bridging plate BC to ensure the balance of the supporting force on the bridging plate and avoid warping caused by uneven force. It should be noted that while achieving anti-warping and improving flatness, the ribs in this solution and the bridging plate BC form a sealed cavity, which can effectively improve the tightness of the splicing and reduce the problem of leakage after splicing. 2. It should also be noted that the ribs AD on the lower surface of the bridging plate AB can apply a downward balancing and corrective force to the free end of the bridging plate BC, which is supported by ribs AE and AF. This prevents the unidirectional force (the force exerted by ribs AE and AF on the bridging plate BC) from being transmitted to the connected board body, thus avoiding warping of the board body. 3. It should also be noted that because ribs AD, AE, and AF press against the surface of the bridging plate BC, the friction between the ribs and the bridging plate BC can effectively prevent loosening at the joint during the splicing process. 4. It should also be noted that, since rib AD acts on the free end of the bridging plate BC, the splicing structure B will have an upward driving force with rib AE or AF as the fulcrum. This trend will allow the end face of the bridging plate BB to fit more tightly with the end face of the bridging plate AB, thereby improving the tightness of the splicing effect. 5. The bridging plate BC in this solution adopts a segmented thickened structure. The advantage of this structure is that the reference surfaces abutting the ribs AD, AE, and AF are all different. Therefore, even if the bridging plate BC has partial deformation, it can still achieve good compactness. In addition, this structure with thickness gradient difference allows workers to effectively judge whether adjacent plates are spliced in place by identifying changes in the insertion state during installation. Attached Figure Description
[0013] Figure 1 This is an assembly diagram of the splicing structure A and splicing structure B of adjacent plates after they have been joined together.
[0014] Figure 2 This is a structural schematic diagram of splicing mechanism A;
[0015] Figure 3 This is a structural diagram of the splicing structure B;
[0016] Figure 4 This refers to one type of fit between the sheet metal and the connecting joint (Type I).
[0017] Figure 5 This refers to one type of fit between the sheet metal and the connecting joint, namely, type II.
[0018] Figure 6 This refers to one type of fit between the sheet metal and the connecting joint (Type III).
[0019] Reference numerals in the attached drawings: 1. Splicing mechanism A; 11. Body AA; 12. Bridging plate AB; 13. Bridging plate AC; 14. Rib AD; 15. Rib AE; 16. Rib AF; 2. Splicing mechanism B; 21. Body BA; 22. Bridging plate BB; 23. Bridging plate BC; 231. First part; 232. Second part; 233. Third part; 24. Reinforcing rib; 3. Plate body. Detailed Implementation
[0020] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0021] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0023] like Figure 1The connector shown is a joint that improves the tight splicing effect of boards, including splicing mechanism A1 and splicing mechanism B2, which are set on both sides of the board. When splicing the boards, the splicing mechanism A1 and splicing mechanism B2 between adjacent boards can be inserted together, so as to achieve fast splicing while ensuring good tightness at the splicing joint.
[0024] Specifically, in this design, the splicing mechanism A1 includes a main body AA11, a bridging plate AB12, and a bridging plate AC13. The main body, serving as the structural support, is a closed, elongated profile. Bridging plates AB12 and AC13 are connected to one side of the main body AA. As follows... Figure 2 As shown, the upper surface of the bridging plate AB extends smoothly and horizontally along the upper surface of the main body AA to ensure the flatness of both. This surface faces outwards and can be covered with wallpaper, decorative panels, etc., during subsequent building decoration. The bridging plate AC connects to the lower part of the main body AA and extends parallel to the bridging plate AB, forming a groove. Additionally, as... Figure 2 As shown, a rib AD14 extending parallel to the length of the body AA is provided on the lower surface of the bridging plate AB. Meanwhile, ribs AE15 and AF16 are provided on the upper surface of the bridging plate AC. It should be noted that the ribs AD, AE, and AF are arranged alternately from the side closer to the body AA to the side farther away from the body AA.
[0025] like Figure 3 As shown, the splicing mechanism B2 in this scheme includes a main body BA21, a bridging plate BB22, and a bridging plate BC23. Bridging plates BB and BC are both connected to the side facade of the main body BA. Specifically, bridging plate BB22 is connected to the upper part of the side facade of the main body BA, and its upper surface is smoothly and horizontally connected to the upper surface of the main body BA21, forming a single unit. Bridging plate BC23 is connected to the lower part of the main body BA and is parallel to bridging plate BB. During splicing, bridging plate BC extends into the groove, and its upper and lower sides are supported and pressed by ribs AD, AE, and AF, respectively, ensuring the tightness of the spliced structure. In this scheme, ribs AE and AF are installed on the wall-facing side, supporting bridging plate BC and providing upward support. The rib AD is located at the top. While increasing the density, its downward force can also balance the forces of the ribs AE and AF below, preventing the bridge plate BC from warping or arching due to unidirectional force.
[0026] This design utilizes the structural distribution of ribs AD, AE, and AF to create three sealed chambers, enhancing the tightness between the panels after installation. Furthermore, to facilitate positioning and ensure the integrity of adjacent panels after splicing, the end faces of bridging plates AB and BA abut against each other after splicing, and the upper surfaces of bridging plates AB and BB are flush. It should be noted that in this design, the abutment between bridging plates AB and BB serves to balance the force exerted by rib AD after splicing, preventing the panels from warping. Additionally, the abutting contact between the ribs and bridging plates BC also provides a frictional anti-detachment effect during splicing, preventing bridging plates BC from slipping out of the grooves and ensuring stability during panel splicing.
[0027] It should be noted that in the above structure, the bridging plate BC is the main load-bearing part after the two plates are spliced together. In order to improve the stability and strength of BC, a reinforcing rib 24 is also provided between the bridging plate BB and the bridging plate BC to connect the two.
[0028] It should be noted that during actual installation, it was found that if the two sides of the bridging plate BC have flat surfaces, any slight bending deformation of the bridging plate BC will reduce the contact tightness between the aforementioned ribs AD, AE, and AF and the bridging plate BC. Therefore, this solution implements a structural optimization of the bridging plate BC. Specifically, the bridging plate BC23 is divided into three components of different thicknesses, gradually increasing in thickness from the side closest to the main body BA to the side furthest from the main body BA. Specifically, the bridging plate BC includes a first part 231, a second part 232, and a third part 233. The first part is connected to the main body BA, while the second and third parts are sequentially connected outwards. The advantage of this structure is that the first, second, and third parts of the bridging plate maintain independence from their corresponding ribs. The contact between the surface of each part and its corresponding rib is independent. Therefore, even if there are individual ribs with poor contact with their corresponding surfaces and poor compactness, it will not affect the tight splicing effect of other ribs.
[0029] Furthermore, it should be noted that the thickness variations of each part of the bridging plate BC in this design are based on the upper and lower reference surfaces of the second part of the bridging plate. Specifically, the lower surface of the first part of the bridging plate is concave with reference to the lower surface of the second part, and the upper surface of the third part of the bridging plate is convex with reference to the upper surface of the second part. Simultaneously, it is necessary to ensure that the reinforcing ribs AD press against the upper surface of the third part, rib AE presses against the lower surface of the second part, and rib AF presses against the lower surface of the first part of the bridging plate BC. When these conditions are met, during the assembly of the panels, workers will be able to clearly feel the changes in the state of the reinforcing ribs as they slide through each part of the bridging plate BC. When the reinforcing ribs pass through the corresponding part of the bridging plate and enter the next part, a very easily identifiable "click" sound (the sound of rib AF striking the first part of the bridging plate) will occur due to the change in height, thus facilitating the judgment of whether the panels are properly assembled. In addition, it should be noted that the structure of the bridge plate, which gradually thickens from the first part to the third part, can also play a certain role in preventing backlash when the splicing plates separate in parallel, thereby further improving the stability of the splicing of the plates.
[0030] Furthermore, this solution also discloses a board material that can improve the close-fitting effect. Specifically, it includes a board body 3 and connecting joints on both sides of the board body 3. It should be noted that in this solution, the connecting joints on both sides of the board can be any of the above embodiments.
[0031] Specifically, the connecting joints in this solution can be divided into splicing mechanism A1 and splicing mechanism B2. These two can be arbitrarily combined on both sides of the board body 3 to form various board shapes. Specifically, one side of the board can use splicing mechanism A and the other side uses splicing mechanism B. For splicing, adjacent boards are spliced sequentially. Alternatively, both sides of the board body 3 can be equipped with either splicing mechanism A or splicing mechanism B. In this case, boards with both splicing mechanisms can be used for differential splicing.
[0032] It should be noted that in the above scheme, the material used for the board body 3 can be a variety of materials such as honeycomb board, composite board, and plastic board.
[0033] When splicing the panels and connecting joints using this solution, the worker inserts the bridging plate BC of splicing mechanism B into the groove of splicing mechanism A, ensuring that the end faces of bridging plate AB and bridging plate BB are facing each other. At this time, ribs AD, AE, and AF press against the surface of their respective bridging plates BC, forming corresponding sealing cavities. This improves the tightness of the panel splicing. It is worth noting that this solution, through various optimizations, also effectively optimizes the stress on the bridging plate BC, the core of the stress during splicing, thereby ensuring the stability of the panels after splicing.
[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A connecting joint for improving the tight splicing effect of sheet metal, characterized in that: Including splicing mechanism A (1) and splicing mechanism B (2); The splicing mechanism A (1) includes a body AA (11), a bridging plate AB (12), and a bridging plate AC (13). The bridging plate AB (12) is connected to the upper part of the side facade of the body AA (11), and the upper plane of the bridging plate AB (12) extends smoothly horizontally along the upper plane of the body AA (11). The bridging plate AC (13) is connected to the lower part of the side facade where the bridging plate AB (12) is located. The bridging plate AB (12) and the bridging plate AC (13) form a groove. The lower surface of the bridging plate AB (12) is provided with a rib AD (14), and the upper surface of the bridging plate AC (13) is provided with a rib AE (15) and a rib AF (16). The ribs AD (14), rib AE (15), and rib AF (16) are arranged in sequence from near the body AA (11) to far away from the body AA (11). The splicing mechanism B (2) includes a body BA (21), a bridging plate BB (22) and a bridging plate BC (23). The bridging plate BB (22) is connected to the upper part of the side facade of the body BA (21), and the upper plane of the bridging plate BB (22) extends smoothly horizontally along the upper plane of the body BA (21). The bridging plate BC (23) is connected to the lower part of the side facade where the bridging plate BB (22) is located. During splicing, the bridging plate BC (23) extends into the groove, and the rib AD (14) abuts against the upper surface of the bridging plate BC (23). The ribs AE (15) and ribs AF (16) abut against the lower surface of the bridging plate BC (23). The end face of the bridging plate BB (22) abuts against the end face of the bridging plate AB (12), and the upper surface of the bridging plate BB (22) is flush with the upper surface of the bridging plate AB (12).
2. The connecting joint for improving the tight splicing effect of sheet metal as described in claim 1, characterized in that: The bridging plate BB (22) and the bridging plate BC (23) are connected by a reinforcing rib (24).
3. The connection joint for improving the tight splicing effect of sheet metal as described in claim 1, characterized in that: The bridging plate BC (23) includes a first part (231), a second part (232), and a third part (233). The first part (231), the second part (232), and the third part (233) gradually increase in thickness from the side closer to the body BA (21) to the side farther away from the body BA (21). Based on the upper and lower surfaces of the second part (232), the first part... The lower surface of (231) is higher than the lower surface of the second part (232) of the bridging plate, the upper surface of the third part (233) of the bridging plate is higher than the upper surface of the second part (232) of the bridging plate, the rib AD (14) presses against the upper surface of the third part (233) of the bridging plate, the rib AE (15) presses against the lower surface of the second part (232) of the bridging plate, and the rib AF (16) presses against the lower surface of the first part (231) of the bridging plate.
4. A type of board material that improves the close-fitting effect of boards, characterized in that: It includes a board body (3) and connecting joints that enhance the close splicing effect of the board body (3) on both sides, wherein the connecting joints adopt any one of claims 1 to 3.
5. The board material for improving the close-fitting effect of boards as described in claim 4, characterized in that: The connecting joints on both sides of the plate body (3) can be in the form of symmetrical splicing mechanism A (1), splicing mechanism A (1) or splicing mechanism B (2), splicing mechanism B (2), or a combination of splicing mechanism A (1) on one side and splicing mechanism B (2) on the other side.