A quick assembly furniture frame with a profiled connection kit

Abstract

The utility model discloses a kind of fast splicing furniture frame with shaping connection kit, the shaping connection kit includes: outer pull plate, inner pull plate and connecting bolt, the overall profile of the outer pull plate is isosceles trapezoid with bottom angle 45 °, it is equipped with first fastening thread hole in middle, two inner blocks are symmetrically set on the bottom angle of inner side plate face, outer pull block and outer clamping block are respectively set on two sides, the top surface and bottom surface of the inner pull plate are flush with the top surface and bottom surface of the outer pull plate, it is equipped with second fastening thread hole corresponding with the first fastening thread hole in middle, inner pull block and inner clamping block corresponding with the outer pull block and outer clamping block are staggered set on two sides, the bottom surface of the inner pull plate is equipped with the pressing surface matched with two inner blocks between two sides. By the above-mentioned mode, the utility model can further improve the stability of overall frame structure on the basis of original splicing frame, effectively prevent frame deformation and appear sound, and simple structure, easy to install.

Description

Technical Field

[0001] This utility model relates to the field of connecting parts for assembled furniture, and in particular to a standardized connecting kit for quickly assembling furniture frames. Background Technology

[0002] With the development of the times, modular furniture has gradually become popular. Modular furniture is simple to assemble, easy to standardize production and on-site assembly, and is especially popular among people who enjoy DIY. The core design of modular furniture is to divide the furniture into easily assembled units. Modular assembly kits are the modular components that can be easily combined to form furniture. By combining different modular assembly kits, various required assembly units can be formed. Currently, some commonly used modular assembly kits have complex structures and insufficient overall precision. During the assembly process, on the one hand, assembly is inconvenient and generally requires special tools to complete the overall assembly, which is not conducive to manual DIY; on the other hand, in actual use, the furniture frame has poor stability and is prone to falling apart. To solve this problem, this invention has developed a series of quick-assembly furniture assembly kits based on six-way connectors and special assembly rods, such as: CN2023219678919, CN... In actual installation, the aforementioned splicing kits (e.g., 2023210103259) are all centered around a six-way connector. Perpendicular splicing rods are mounted on the six faces of the connector, and the splicing rods are directly connected to the six-way connector using dedicated bolts. This method results in a compact finished frame structure, with its verticality primarily ensured by the tight contact between the end faces of the splicing rods and the surfaces of the six-way connectors. Furniture panels are then inserted between the frames to ensure overall structural strength. However, in actual design, a certain amount of slack must be left when inserting the panels into the frame. Because the bolts themselves are relatively thin compared to the end faces of the splicing rods and the splicing surfaces of the six-way connectors, under greater stress, due to the quadrilateral shape, slight deformation can easily occur due to the frame's slack. When the furniture is large, this deformation is amplified, significantly affecting overall stability and sometimes even causing creaking sounds. Utility Model Content

[0003] The main technical problem solved by this utility model is to provide a standardized connecting kit for quickly assembling furniture frames, which can improve the overall stability of the furniture assembly frame.

[0004] To solve the above-mentioned technical problems, the present invention provides a standardized connecting kit for quick-assembly furniture frames. The quick-assembly furniture frame consists of a six-way connector and a splicing rod with a square cross-section. Positioning slots are provided on all four sides of the splicing rod. The standardized connecting kit includes an outer pull plate, an inner pull plate, and connecting bolts. The outer pull plate has an overall outline of an isosceles trapezoid with a base angle of 45°. A first through-hole fastening thread is provided in the center of the isosceles trapezoid. The sides corresponding to the waistlines of the isosceles trapezoid are the sides of the first and second outer pull plates, respectively. Two inner support blocks with cross-sections of isosceles right triangles are symmetrically arranged on the inner surface of the outer pull plate, based on the base angle; these are the first support block and the second support block. The inner surfaces of the two inner support blocks are the supporting surfaces, and their outer surfaces are flush with the corresponding surfaces of the outer pull plate. Their bottom surfaces are flush with the bottom surface of the outer pull plate. An outer locking block is arranged on the side of the first outer pull plate, and an outer pull block is provided on the side of the second outer pull plate. The front end of the outer locking block is flush with the outer surface of the outer pull plate, and its length is clearance-fitted with the groove width of the sliding groove on the splicing rod. Its width is the same as the width of the outer surface of the second support block. The width of the outer pull block is the same as the outer locking block, and its rear end is flush with the rear end of the outer locking block. The front end extends beyond the side of the second outer pull plate, and the extended portion forms a positioning strip that matches the positioning slot structure. The top and bottom surfaces of the inner pull plate are flush with the top and bottom surfaces of the outer pull plate, respectively. The top surface of the inner pull plate has the same length as the top surface of the outer pull plate. A positioning strip is provided in the middle of the inner pull plate surface, corresponding to the... The second fastening thread hole corresponds to the first fastening thread hole. The top surface of the inner pull plate is symmetrically provided with a first inner pull plate side and a second inner pull plate side that are flush with the two sides of the outer pull plate. The lower ends of the first inner pull plate side and the second inner pull plate side are symmetrically folded inward at 90° to form a first pressing surface and a second pressing surface, respectively. The width of the first pressing surface and the second pressing surface are the same as the width of the corresponding first support block and the second support block's support surface, respectively. An inner pull block is arranged along the fold line at the lower part of the first inner pull plate side. An inner locking block is arranged along the fold line at the lower part of the second inner pull plate side. The size and shape of the inner pull block are the same as those of the outer pull block. The size and shape of the inner locking block and the outer locking block are the same. The length of the front end of the inner locking block extending beyond the side of the second inner pull plate is the same as the thickness of the outer pull plate. The rear end of the inner pull block is flush with the rear end of the inner locking block.During assembly, the first pressing surface abuts against the inner side of the first support block, and the second pressing surface abuts against the inner side of the second support block. The outer pull block is inserted into the positioning slot of a splicing rod, and the positioning clip is precisely engaged in the positioning slot. The inner clip is inserted into the positioning slot and abuts against the outer pull plate. The inner pull block is inserted into the positioning slot of another mutually perpendicular splicing rod, and the outer clip is inserted into the positioning slot with its side abutting against the inner pull block. The connecting bolts pass continuously through the first and second fastening threaded holes to fix the outer pull plate and the inner pull plate together.

[0005] In a preferred embodiment of the present invention, the length of the first support block is the same as the thickness of the inner pull plate, and the length of the second support block is the same as that of the first support block.

[0006] In a preferred embodiment of this utility model, the width of the slot strip is 1-2 mm.

[0007] In a preferred embodiment of this utility model, the outer pull plate is provided with symmetrically arranged outer hollow structure holes about the first fastening threaded hole, and the inner pull plate is provided with symmetrically arranged inner hollow structure holes of the same shape about the second fastening threaded hole.

[0008] In a preferred embodiment of this utility model, the outer side surface of the outer pull plate is provided with a finger groove.

[0009] In a preferred embodiment of this invention, the thickness of the outer pull plate does not exceed half the width of the slot of the positioning slot. The thickness of the inner pull plate is greater than the thickness of the outer pull plate, and the sum of the thicknesses of the inner pull plate and the outer pull plate is greater than the width of the slot of the positioning slot, but less than the sum of half the width of the splicing surface of the splicing rod and half the width of the slot.

[0010] The beneficial effects of this utility model are as follows: This utility model is a further optimization of the existing furniture splicing structure composed of six-way joints and splicing rods. By using this product, the top corner structure of the splicing frame can be strengthened, thereby improving the structural strength of the entire frame. The splicing frame will not be affected by the necessary assembly allowance, and the overall structure is more compact and stable. After installation, the frame will no longer creak or make abnormal noises when under stress. Moreover, it can be used as a fulcrum for installing furniture panels when necessary, making assembly faster and more convenient. Finally, the entire kit is composed of two sub-components. The structure of each sub-component is very simple and the production cost is low. During installation, the two sub-components are slid together to form a complete reinforced structure. Compared with traditional reinforcement components, the installation difficulty is significantly reduced, making it easy for on-site personnel to assemble manually. Attached Figure Description

[0011] Figure 1 This is an assembly diagram of a preferred embodiment of the present invention; Figure 2 This is an assembly schematic diagram from another perspective of the illustrated embodiment; Figure 3 This is a schematic diagram of the action of installing the splicing frame in the embodiment shown. Figure 1 ; Figure 4 This is a schematic diagram of the action of installing the splicing frame in the embodiment shown. Figure 2 ; Figure 5 This is a schematic diagram of the end face structure of the splicing rod; Figure 6 This is a diagram illustrating the installation of furniture panels on a splicing frame; The components in the attached diagram are labeled as follows: 1. Six-way connector; 2. Splicing rod; 3. Outer pull plate; 4. Inner pull plate; 5. Connecting bolts; 6. Base; 7. Sheet metal; 301. Top surface of the outer pull plate; 302. Side surface of the first outer pull plate; 303. Side surface of the second outer pull plate; 304. Outer pull block; 305. Outer clamping block; 306. First fastening threaded hole; 307. First support block; 308. Second support block; 309. Outer hollow structure hole; 3010. Bottom surface of the outer pull plate; 3011. Finger groove; 401. Top surface of the inner pull plate; 402. Side surface of the first inner pull plate; 403. Side surface of the second inner pull plate; 404. Inner locking block; 405. Inner pull block; 406. Second fastening threaded hole; 407. First pressing surface; 408. Second pressing surface; 409. Inner hollow structure hole; 4010. Bottom surface of the inner pull plate. Detailed Implementation

[0012] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the scope of protection of the present invention.

[0013] Please see Figures 1 to 6 The embodiments of this utility model include: A prefabricated connection kit for a quick-assembly furniture frame is disclosed. The quick-assembly furniture frame consists of a six-way connector 1 and a splicing rod 2 with a square cross-section. Positioning slots are provided on all four sides of the splicing rod 2. The prefabricated connection kit includes an outer pull plate 3, an inner pull plate 4, and connecting bolts 5. The outer pull plate 3 has an overall outline of an isosceles trapezoid with a base angle of 45°. A first through-hole 306 is provided in the center of the isosceles trapezoid. The sides corresponding to the waistlines of the isosceles trapezoid are the first outer pull plate side 302 and the second outer pull plate side 303, respectively. Two inner support blocks with cross-sections of isosceles right triangles are symmetrically arranged on the inner surface of the outer pull plate, namely the first support block 307 and the second support block 308, based on the base angle. The inner surfaces of the two inner support blocks are the support surfaces, the outer surfaces are flush with the corresponding surfaces of the outer pull plate 3, and the bottom surfaces are flush with the bottom surfaces of the outer pull plate 3. An outer locking block 305 is arranged on the side surface 302 of the first outer pull plate, and an outer pull block 304 is arranged on the side surface 303 of the second outer pull plate. The front end of the outer locking block 305 is flush with the outer surface of the outer pull plate 3 and its length is in clearance with the slot width of the positioning slot on the splicing rod 2. Its width is the same as the width of the outer surface of the second support block 308. The width of the outer pull block 304 is the same as that of the outer locking block 305, and its rear end is flush with the rear end of the outer locking block 304. The front end extends beyond the side surface 303 of the second outer pull plate, and the extended part forms a slot locking strip that matches the structure of the positioning slot. The top surface 401 and bottom surface 4010 of the inner pull plate are respectively flush with the top surface 301 and bottom surface 3010 of the outer pull plate. The top surface 401 of the inner pull plate has the same length as the top surface 301 of the outer pull plate. A second fastening threaded hole 406 corresponding to the first fastening threaded hole 306 is provided in the middle of the inner pull plate 4. A first inner pull plate side surface 402 and a second inner pull plate side surface 403, which are flush with the two side surfaces of the outer pull plate 4, are symmetrically arranged on both sides of the top surface 401 of the inner pull plate. The lower ends of the first inner pull plate side surface 402 and the second inner pull plate side surface 403 are symmetrically folded inward at 90° to form a first pressing surface 407 and a second pressing surface 408, respectively. The widths of the first pressing surface 407 and the second pressing surface 408 are the same as the widths of the corresponding first support block 307 and second support block 308's contact surfaces. An inner pull block 405 is arranged along the fold line at the lower part of the first inner pull plate side surface 402, and an inner locking block 404 is arranged along the fold line at the lower part of the second inner pull plate side surface 403. The dimensions and shape of the outer pull block 305 are the same as those of the inner locking block 404 and the outer locking block 304. The front end of the inner locking block 404 extends beyond the side surface 403 of the second inner pull plate by the same length as the thickness of the outer pull plate 3. The rear end of the inner pull block 405 is flush with the rear end of the inner locking block 404. During assembly, the first pressing surface 407 abuts against the inner side surface of the first support block 307, the second pressing surface 408 abuts against the inner side surface of the second support block 308, and the outer pull block 305... 04. Insert a splicing rod 2 into a positioning slot. The positioning clip fits into the positioning slot. The inner clip 404 is inserted into the positioning slot and abuts against the side of the outer pull block 304. The inner pull block 405 is inserted into another mutually perpendicular splicing rod 2 positioning slot. The outer clip 305 is inserted into the positioning slot and abuts against the side of the inner pull block 405. The connecting bolt 5 passes through the first fastening threaded hole 306 and the second fastening threaded hole 406 to fix the outer pull plate 3 and the inner pull plate 4 together. The length of the first support block 307 is the same as the thickness of the inner pull plate 4, and the length of the second support block 308 is the same as that of the first support block 307. In this way, the contact area between the two support plates and the inner pull plate is maximized, the support is most stable, and the rear end face of the support block is flush with the surface of the inner pull plate, making the whole structure more compact.

[0014] The width of the slot clip is 1-2mm. This allows it to be quickly snapped into the positioning slot during installation. If the slot clip is too wide, it will be difficult to install during assembly.

[0015] The outer pull plate 3 has symmetrically arranged outer hollow structure holes 309 about the first fastening threaded hole 306, and the inner pull plate 4 has symmetrically arranged inner hollow structure holes 409 of the same shape about the second fastening threaded hole 406. The purpose of setting the hollow structure holes is, on the one hand, to reduce the mass of the outer pull plate and the inner pull plate without reducing the overall strength, thereby reducing production costs; on the other hand, to facilitate quick alignment when assembling the inner pull plate and the outer pull plate.

[0016] The outer side surface of the outer pull plate 3 is provided with a finger groove 3011. The reason for providing the finger groove 3011 is that the outer pull plate 3 is relatively thin and has a smooth surface, and the finger groove 3011 makes it convenient for fingers to grip and install.

[0017] The thickness of the outer pull plate 3 does not exceed half the width of the slot of the positioning slot. The thickness of the inner pull plate 4 is greater than the thickness of the outer pull plate 3, and the sum of the thicknesses of the inner pull plate 4 and the outer pull plate 3 is greater than the width of the slot of the positioning slot, but less than the sum of half the width of the splicing surface of the splicing rod 2 and half the width of the slot. Because the front ends of the outer locking block 305 and the inner locking block 404 are flush with the outer surface of the outer pull plate 3, an excessively thick outer pull plate 3 will reduce the connection space between the inner locking block 404 and the inner pull plate 4, making the inner locking block more susceptible to damage and deformation under stress. Therefore, in actual implementation, the thickness of the outer pull plate is generally half the width of the slot of the positioning slot, while the thickness of the inner pull plate is generally half the width of the splicing surface of the splicing rod. This provides the best stability and prevents the thickness from exceeding the width of the splicing rod, resulting in a more compact overall design.

[0018] In practical use, the method of this embodiment is as follows: First, the outer pull block 304 of the outer pull plate 3 is installed in the positioning slot of a splicing rod 2, and the inner pull block 405 of the inner pull plate 4 is installed in the positioning slot of the splicing rod 2 connected to the same six-way connector 1. Then, the inner pull plate 4 and the outer pull plate 3 slide along the corresponding positioning slots toward the six-way connector 1. When the inner pull plate 4 and the outer pull plate 3 are superimposed until the first fastening threaded hole 306 and the second fastening threaded hole 406 are in communication, the inner locking block 404 and the outer locking block 305 are just inserted into the positioning slots on the corresponding splicing rod 2. At this time, the connecting bolts 5 are used to connect the outer pull plate and the inner pull plate together, so that the two splicing rods 2 can be tightened from both sides, which effectively improves the structural strength of the splicing position, thereby improving the stability of the entire splicing frame. Furthermore, since the fixed connection kit is generally installed at the four corners of the frame, the fixed connection kit can also serve as a fulcrum. As long as the corresponding bolt holes are set at the corresponding positions of the four corners of the furniture board 7, the furniture board 7 can be directly connected to the furniture splicing frame through the connecting bolts 5, which is not only quick but also stable.

[0019] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A prefabricated connecting kit for a quick-assembly furniture frame, the quick-assembly furniture frame comprising a six-way connector and a splicing rod with a square cross-section, wherein positioning slots are provided on four sides of the splicing rod, characterized in that, The standardized connecting kit includes an outer pull plate, an inner pull plate, and connecting bolts. The outer pull plate has an overall outline of an isosceles trapezoid with a base angle of 45°. A first through-hole fastening thread is provided in the center of the isosceles trapezoid. The sides corresponding to the waistlines of the isosceles trapezoid are respectively the side surfaces of the first and second outer pull plates. Two inner support blocks with cross-sections of isosceles right triangles are symmetrically arranged on the inner surface of the outer pull plate, based on the base angle; these are the first support block and the second support block. The inner surfaces of the two inner support blocks are the support surfaces, the outer surfaces are flush with the corresponding surfaces of the outer pull plate, and the bottom surfaces are flush with the bottom surfaces of the outer pull plate. The first outer pull plate has an outer locking block on its side, and the second outer pull plate has an outer pull block on its side. The front end of the outer locking block is flush with the outer surface of the outer pull plate and its length is in clearance with the groove width of the sliding groove on the splicing rod. Its width is the same as the width of the outer surface of the second support block. The width of the outer pull block is the same as the outer locking block. Its rear end is flush with the rear end of the outer locking block. The front end extends beyond the side of the second outer pull plate, and the extended part forms a positioning strip that matches the positioning slot structure. The top and bottom surfaces of the inner pull plate are flush with the top and bottom surfaces of the outer pull plate, respectively. The top surface of the inner pull plate has the same length as the top surface of the outer pull plate. A second fastening threaded hole corresponding to the first fastening threaded hole is provided in the middle of the inner pull plate surface. A first inner pull plate side surface and a second inner pull plate side surface, flush with the two side surfaces of the outer pull plate, are symmetrically arranged on both sides of the top surface of the inner pull plate. The lower ends of the first inner pull plate side surface and the second inner pull plate side surface are symmetrically folded inward at 90°, forming a first pressing surface and a second pressing surface, respectively. The widths of the first and second pressing surfaces are the same as the widths of the corresponding first and second support blocks' contact surfaces, respectively. An inner pull block is arranged along the fold line on the lower side of the first inner pull plate, and an inner locking block is arranged along the fold line on the lower side of the second inner pull plate. The size and shape of the inner pull block are the same as those of the outer pull block. The size and shape of the inner locking block and the outer locking block are the same. The length of the front end of the inner locking block extending beyond the side of the second inner pull plate is the same as the thickness of the outer pull plate. The rear end of the inner pull block is flush with the rear end of the inner locking block. During assembly, the first pressing surface abuts against the inner side of the first support block, the second pressing surface abuts against the inner side of the second support block, the outer pull block is inserted into the positioning slot of a splicing rod, the positioning clip is just inserted into the positioning slot, the inner clip is inserted into the positioning slot and abuts against the outer pull plate, the inner pull block is inserted into the positioning slot of another mutually perpendicular splicing rod, the outer clip is inserted into the positioning slot and its side abuts against the inner pull block, and the connecting bolt passes through the first fastening threaded hole and the second fastening threaded hole to fix the outer pull plate and the inner pull plate together.

2. The prefabricated connecting kit for quick-assembly furniture frames according to claim 1, characterized in that, The length of the first support block is the same as the thickness of the inner pull plate, and the length of the second support block is the same as that of the first support block.

3. The prefabricated connecting kit for quick-assembly furniture frames according to claim 1, characterized in that, The width of the slot strip is 1-2 mm.

4. The prefabricated connecting kit for quick-assembly furniture frames according to claim 1, characterized in that, The outer pull plate has symmetrically arranged outer hollow structure holes about the first fastening threaded hole, and the inner pull plate has symmetrically arranged inner hollow structure holes of the same shape about the second fastening threaded hole.

5. The prefabricated connecting kit for quick-assembly furniture frames according to claim 1, characterized in that, The outer side surface of the outer pull plate is provided with a finger groove.

6. The prefabricated connecting kit for quick-assembly furniture frames according to claim 1, characterized in that, The thickness of the outer pull plate does not exceed half the width of the slot of the positioning slot.

7. The prefabricated connecting kit for quick-assembly furniture frames according to claim 6, characterized in that, The thickness of the inner pull plate is greater than the thickness of the outer pull plate, and the sum of the thicknesses of the inner pull plate and the outer pull plate is greater than the slot width of the positioning slot, but less than the sum of half the width of the splicing surface of the splicing rod and half the slot width.

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