Plate connecting structure
By using the insertion and snap-fit structure of the plate connector and the groove, the problems of complex, loose and unsightly plate connections in the existing technology are solved, achieving a simple and reliable seamless connection, improving connection strength and aesthetics, and simplifying the operation process.
Patent Information
- Application Number
- CN202520900433.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-08
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-05-08
AI Technical Summary
Existing methods for connecting wood and other boards have problems such as complex processing, high cost, insufficient connection strength, exposed parts affecting aesthetics, and risk of loosening.
The plate connection structure adopts a connector and a connecting groove. The connector is hidden between the plates and a seamless connection is achieved by insertion and snap-fit groove. Screws are used for connection and limit sleeves are used to precisely control the screwing depth and angle.
It enables simple and quick connection of sheet metal, hides the connectors, avoids loosening and corrosion, improves connection strength and aesthetics, simplifies the operation process, and improves assembly efficiency and quality.
Smart Images

Figure CN223953006U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of board connection, particularly to a board connection structure. BACKGROUND
[0002] At present, the connection mode of boards such as wood mainly includes three main forms of mortise and tenon structure, fastener connection and glue joint, but each mode has obvious technical limitations. Although the mortise and tenon structure has excellent mechanical properties and aesthetics, its complex processing technology leads to high production cost; although the fastener connection is simple to construct, the exposed metal parts not only affect the visual effect, but also have the risk of loosening; although the glue joint technology can realize seamless connection, it has the problems of insufficient connection strength and poor environmental performance. SUMMARY
[0003] The utility model provides a board connection structure aiming at the technical problems existing in the prior art.
[0004] The utility model discloses a board connection structure, including first board and second board, first board sets at least one row of connecting components protruding from its first surface, the connecting component includes a plurality of connecting pieces that are spaced apart along the preset direction;The second surface of the second board is provided with a connecting groove corresponding to each connecting piece, the connecting groove includes an insertion slot and a clamping groove distributed along the preset direction and connected, the clamping groove of each connecting groove is located on the same side of the insertion slot;Each connecting piece enters the corresponding connecting groove from the insertion slot, and is clamped and matched with the clamping groove at the position of the clamping groove, and the first surface and the second surface are in contact.
[0005] In a preferred embodiment, the connecting piece is in the shape of a long strip, the first end of which is connected to the first board, and the second end has a flange portion protruding from the outer side surface; the clamping groove is in the shape of wide inside and narrow outside, and the second end of the connecting piece enters the corresponding connecting groove from the insertion slot and is clamped and limited in the inside of the clamping groove by the flange portion.
[0006] In a preferred embodiment, the second end of the connecting piece is provided with a guide surface to guide the second end of the connecting piece into the insertion slot.
[0007] In a preferred embodiment, the guide surface is a spherical cap surface protruding from the end surface of the second end of the connecting piece.
[0008] In a preferred embodiment, a transition step surface facing the wider area is formed between the wider area and the narrower area inside the clamping groove, and the flange portion is clamped and limited on the inside of the transition step surface; the transition step surface is in the shape of an inclination, and the distance between the transition step surface and the groove bottom of the clamping groove gradually decreases from the insertion slot to the clamping groove.
[0009] In a preferred embodiment, the connecting member comprises a screw, a tail of the screw constitutes the first end and is threadedly connected to the first plate, and a head of the screw constitutes the second end.
[0010] In a preferred embodiment, the connecting member further comprises a limiting sleeve, the limiting sleeve is sleeved outside the screw and is abutted and matched between the first surface of the first plate and the head of the screw.
[0011] In a preferred embodiment, the first plate and the second plate are both solid materials, and the solid material is selected from one of wood material, metal material, stone material and plastic material; and the connecting groove is a sunk groove structure.
[0012] In a preferred embodiment, a cross section of the clamping groove is in a U shape, and a cross section of the insertion groove is in a circular arc shape.
[0013] In a preferred embodiment, the first surface of the first plate is one surface of the first plate in which a length and a width of the first plate are located; the preset direction is a length direction or a width direction of the first plate, and the connecting assembly is located at an edge area of the first surface; the second surface of the second plate is one surface of the second plate in which a length and a thickness of the second plate are located, or the second surface of the second plate is one surface of the second plate in which a width and a thickness of the second plate are located.
[0014] Compared with the prior art, the utility model has the following beneficial effects:
[0015] 1. The utility model discloses a connecting member and a connecting groove are matched to provide a novel plate connecting mode, which is simple and fast to connect the plates, the connecting member is hidden between the first plate and the second plate, there is no exposed component, the problems of loosening and rusting commonly seen in traditional connecting modes are effectively avoided, and the utility model realizes the organic unity of functionality, aesthetics and practicability.
[0016] 2. As a preferred mode, the connecting member comprises a screw, which makes the connection of the connecting member and the first plate convenient and reliable. In particular, the limiting sleeve is arranged to realize accurate control and uniformity guarantee of screw connection: on the one hand, the screw-in depth of the screw can be accurately controlled to ensure that the screw thread engagement lengths of all the screws and the first plate are consistent, and on the other hand, the limiting sleeve can be used to guide the screw to be vertically screwed in at the best angle, thereby limiting the stability of the assembly quality of each connecting member and the corresponding connecting groove.
[0017] The utility model will be further described in detail in combination with the drawings and embodiments; but the plate connecting structure of the utility model is not limited to the embodiments. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 is the exploded view of the utility model of example one;
[0019] Figure 2 is the three-dimensional structure schematic view of the second plate of the utility model of example one;
[0020] Figure 3 is the three-dimensional structure schematic view of the utility model of example one Figure 2 A part;
[0021] Figure 4 is the sectional view of the second plate of the utility model of example one;
[0022] Figure 5 is the three-dimensional structure schematic view of the utility model of example one Figure 4 B part;
[0023] Figure 6 is the three-dimensional structure schematic view of the first plate and connecting piece in the combined state of the utility model of example one;
[0024] Figure 7 is the installation schematic of the utility model of example one Figure 1 ;
[0025] Figure 8 is the installation schematic (sectional view) of the utility model of example one Figure 2 ;
[0026] Figure 9 is the three-dimensional structure schematic view of the utility model of example one Figure 8 C part;
[0027] Figure 10 is the three-dimensional structure schematic view of the utility model of example one;
[0028] Figure 11 is the sectional view of the utility model of example one;
[0029] Figure 12 is the three-dimensional structure schematic view of the utility model of example one Figure 11 D part;
[0030] Figure 13 is the exploded view of the utility model of example two;
[0031] Figure 14 is the sectional view of a plate and connecting piece in the combined state of the utility model of example two;
[0032] Figure 15 is the three-dimensional structure schematic view of the utility model of example two Figure 14 E part;
[0033] Figure 16 is the sectional view of the utility model of example two;
[0034] Figure 17 is example two Figure 16 is an enlarged schematic view of the F portion in the figure;
[0035] In the figure, 1, the first plate material, 11, the first surface; 2, the second plate material; 21, the second surface; 3, the screw; 31, the flange portion; 32, the guide surface; 4, the connecting groove; 41, the insertion groove; 42, the clamping groove; 421, the transition step surface; 5, the limiting sleeve. DETAILED DESCRIPTION
[0036] In the utility model, for the terms "first", "second" and the like are only used to distinguish similar objects, and are not used to describe specific order or sequence, and also cannot be understood as indicating or implying relative importance. In addition, in the description of the utility model, "a plurality of" means two or more than two, unless otherwise specified.
[0037] Example one
[0038] Please see Figures 1-11 The utility model discloses a plate connecting structure, including first plate material 1 and second plate material 2, first plate material 1 sets at least one row of connecting assembly protruding from its first surface 11, and connecting assembly includes a plurality of connecting pieces spaced apart along the preset direction. The second surface 21 of second plate material 2 is provided with a connecting groove 4 corresponding to each connecting piece, and each connecting groove 4 includes an insertion groove 41 and a clamping groove 42 connected in communication along the preset direction, and the clamping groove 42 of each connecting groove 4 is located on the same side of the insertion groove 41. When assembling, each connecting piece enters the corresponding connecting groove 4 from the insertion groove 41 respectively, and is clamped and matched with the clamping groove 42 at the position of the clamping groove 42, so that the first plate material 1 and the second plate material 2 are connected together, and the first surface 11 of the first plate material 1 and the second surface 21 of the second plate material 2 are in close contact, so that the first plate material 1 and the second plate material 2 are seamlessly connected.
[0039] The connecting piece is in the shape of a long strip, and the first end is connected to the first plate material 1, and the second end has a flange portion 31 protruding from the outer side surface. The clamping groove 42 is in the shape of wide inside and narrow outside, and the second end of the connecting piece enters the corresponding connecting groove 4 from the insertion groove 41, and after moving to the clamping groove 42, the flange portion 31 is clamped and limited in the clamping groove 42. Specifically, as shown in Figure 4 、 Figure 5As shown, a transition step surface 421 facing the wider area is formed between the wider area and the narrower area inside the clamping groove 42, and the flange portion 31 is clamped within the transition step surface 421. Preferably, the transition step surface 421 is inclined, and the distance between the transition step surface 421 and the groove bottom of the clamping groove 42 gradually decreases from the insertion groove 41 to the clamping groove 42. In this way, in the process of moving the second end of the connecting piece from the insertion groove 41 to the clamping groove 42, on the one hand, the transition step surface 421 can be used for guiding, and on the other hand, the closer the second end of the connecting piece moves to the clamping groove 42, the tighter the flange portion 31 of the connecting piece is clamped in the clamping groove 42.
[0040] In the embodiment, the connecting piece is a screw 3, but is not limited thereto. The tail of the screw 3 constitutes the first end of the connecting piece and is threadedly connected to the first plate 1, and the head of the screw 3 constitutes the second end of the connecting piece. In the embodiment, the end surface of the head of the screw 3 is a flat surface, but is not limited thereto.
[0041] The first plate 1 and the second plate 2 are both solid materials, and the solid material is selected from one of wood material, metal material, stone material, plastic material, etc. Specifically, in the embodiment, the solid material is wood material, and therefore, the first plate 1 and the second plate 2 are both wooden boards, but are not limited thereto. The connecting groove 4 is a sunk groove structure, the cross section of the clamping groove 42 is in the shape of a U, and the cross section of the insertion groove 41 is in the shape of a circular arc.
[0042] As a preferred embodiment, the first surface 11 of the first plate 1 is one surface of the first plate 1 in which the length and the width of the first plate 1 are located, the preset direction is the length direction or the width direction of the first plate 1, and the connecting assembly is located at the edge area of the first surface 11. The second surface 21 of the second plate 2 is one surface of the second plate 2 in which the length and the thickness of the second plate 2 are located, or the second surface 21 of the second plate 2 is one surface of the second plate 2 in which the width and the thickness of the second plate 2 are located. Specifically, in the embodiment, the preset direction takes the length direction of the first plate 1 as an example, and the second surface 21 of the second plate 2 is one surface of the second plate 2 in which the length and the thickness of the second plate 2 are located. Therefore, after the first plate 1 and the second plate 2 are connected, the two are perpendicular. The selection of the first surface, the second surface and the preset direction is not limited in the embodiment, and any selection mode meeting the reasonable engineering design principle and the actual application requirement is within the protection scope of the utility model.
[0043] In the embodiment, the connecting assembly takes one row as an example, and the number of the connecting pieces (i.e., the screw 3) takes two as an example, but is not limited thereto. In other embodiments, the connecting assembly is provided in at least two rows and is arranged in parallel with each other, and each row of the connecting assembly includes at least two connecting pieces.
[0044] The utility model discloses a kind of plate connecting structures, connect, first the head portion of each screw 3 is inserted into the insertion slot 41 of corresponding connecting slot 4 respectively, and make the first surface 11 of first plate 1 and the second surface 21 of second plate 2 touch together, at this time, first plate 1 and second plate 2 exist certain misregistration in length direction, as shown in Figures 7-9 Connecting, keep second plate 2 fixed, push first plate 1 along length direction, and the head portion of each screw 3 is moved to the clamping slot 42 of corresponding connecting slot 4 respectively, and is clamped in the inside of transition step surface 421 in clamping slot 42, as shown in Figures 10-12 After completion of connection, the first surface 11 of first plate 1 and the second surface 21 of second plate 2 are closely attached together, and each screw 3 is in hidden state, so that overall appearance is relatively simple, beautiful. After actual test, the tensile strength between first plate 1 and second plate 2 can reach more than 80 kilograms after using the above connection mode, and significant connection strength and stability are shown.
[0045] When disassembling, second plate 2 is fixed, and first plate 1 is pushed in reverse direction, so that the head portion of each screw 3 is withdrawn from clamping slot 42 to insertion slot 41, and then the head portion of each screw 3 is pulled out from insertion slot 41.
[0046] Therefore, a kind of plate connecting structure of the utility model, it is simple and fast between plate connection, and connecting piece is hidden between first plate 1 and second plate 2, without exposed component, effectively avoid the problem of loosening and rust in traditional connection mode, so that the utility model realizes the organic unity of functionality, aesthetic property and practicality.
[0047] A kind of plate connecting structure of the utility model is suitable for the assembly connection of various solid plate, especially suitable for furniture manufacturing, interior decoration and various plate assembly scenes. Through this unique connection mode, users can realize the efficient, fast assembly of various cabinet bodies and other plate structures, significantly improve assembly efficiency and quality. In addition, only one type of screw is used for connection during the entire assembly process, greatly simplifies the operation process, reduces the assembly difficulty, so that the entire assembly process is more convenient and efficient.
[0048] Example two
[0049] Please see Figures 13-17As shown, the second end of the connecting piece is provided with a guide surface 32 to guide the second end of the connecting piece into the insertion slot 41, so that the second end of the connecting piece can quickly enter the insertion slot 41. Preferably, the guide surface 32 is a spherical cap surface protruding from the end surface of the second end of the connecting piece, but is not limited thereto. In this embodiment, the connecting piece includes a screw 3, the tail of the screw 3 constitutes the first end of the connecting piece, and is threadedly connected to the first plate 1, and the head of the screw 3 constitutes the second end of the connecting piece. Therefore, the head of the screw 3 is in the form of a hemisphere.
[0050] As a preferred embodiment, the connecting piece further includes a limiting sleeve 5, which is sleeved on the screw 3 and abuts against the first surface 11 of the first plate 1 and the head of the screw 3. Specifically, before the screw 3 is connected to the first plate 1, the limiting sleeve 5 is sleeved on the screw 3, and then the tail of the screw 3 is screwed into the corresponding threaded hole of the first plate 1. When the limiting sleeve 5 hits the first surface 11 of the first plate 1, it indicates that the screw 3 is screwed in place. Therefore, the limiting sleeve 5 can accurately control the screwing depth of the screw 3, and ensure that the screwing length of each screw 3 and the first plate 1 is consistent. In addition, the limiting sleeve 5 can be used to ensure that the screw 3 is screwed in vertically at the best angle, avoiding angle deviation of the screw 3 when being screwed in.
[0051] The assembly and disassembly process of the plate connecting structure of the utility model is shown in the above embodiment one, which will not be repeated here.
[0052] The plate connecting structure of the utility model, the part not involved is the same as the prior art or can be realized by using the prior art.
[0053] The above embodiments are only used to further illustrate the plate connecting structure of the utility model, but the utility model is not limited to the embodiments, and any simple modification, equivalent change and modification according to the technical essence of the utility model to the above embodiments all fall within the protection scope of the technical scheme of the utility model.
Claims
1. A board connecting structure comprising a first board and a second board, characterized by: The first plate is provided with at least one row of connecting components protruding from the first surface thereof, the connecting components comprising a plurality of connecting pieces distributed along a preset direction; the second surface of the second plate is provided with a connecting groove corresponding to each connecting piece, the connecting groove comprising an insertion groove and a clamping groove distributed along the preset direction and connected in communication, the clamping groove of each connecting groove being located on the same side of the insertion groove; each connecting piece enters the corresponding connecting groove from the insertion groove and is clamped and matched with the clamping groove at the position of the clamping groove, and the first surface and the second surface are in contact.
2. The sheet material joint structure according to claim 1, characterized by: The connecting piece is in the shape of a long strip, the first end of which is connected to the first plate, and the second end of which has a flange portion protruding from the outer side surface; the clamping groove is in the shape of a wide inner portion and a narrow outer portion, and the second end of the connecting piece enters the corresponding connecting groove from the insertion groove and is clamped and limited in the inner portion of the clamping groove by the flange portion.
3. The sheet material joint structure according to claim 2, characterized by: The second end of the connecting piece is provided with a guide surface to guide the second end of the connecting piece into the insertion groove.
4. The sheet material joint structure according to claim 3, characterized by: The guide surface is a spherical cap surface protruding from the end surface of the second end of the connecting piece.
5. The sheet material joint structure according to claim 2, characterized by: The inner portion of the clamping groove is wider than the outer portion, and a transition step surface facing the wider inner portion is formed between the wider inner portion and the narrower outer portion, and the flange portion is clamped and limited on the inner side of the transition step surface; the transition step surface is in the shape of an inclination, and the distance between the transition step surface and the groove bottom of the clamping groove gradually decreases from the insertion groove to the clamping groove.
6. The sheet material joint structure according to any one of claims 2 to 5, characterized by: The connecting piece comprises a screw, the tail portion of the screw constituting the first end and being threadedly connected to the first plate, and the head portion of the screw constituting the second end.
7. The sheet material joint structure according to claim 6, characterized by: The connecting piece further comprises a limiting sleeve, the limiting sleeve being sleeved on the screw and being top abutted and matched between the first surface of the first plate and the head portion of the screw.
8. The sheet material connecting structure according to claim 1, characterized by: The first plate and the second plate are both solid materials, and the solid material is selected from one of a wooden material, a metal material, a stone material, and a plastic material; the connecting groove is in the structure of a sunken groove.
9. The sheet material connecting structure according to claim 1, characterized by: The cross section of the clamping groove is in the shape of a U letter, and the cross section of the insertion groove is in the shape of a circular arc.
10. The sheet material joint structure according to claim 1, characterized by: The first surface of the first plate is one surface of the first plate in which the length and the width are located, the connecting components are located in the edge region of the first surface, the preset direction is the length direction or the width direction of the first plate, the second surface of the second plate is one surface of the second plate in which the length and the thickness are located, or the second surface of the second plate is one surface of the second plate in which the width and the thickness are located.