Combined table frame structure

Abstract

The utility model discloses a combined table frame structure which comprises four table legs and four connecting beams which are detachably connected, each table leg comprises a first outer shell and a first core column, each connecting beam comprises a second outer shell and a second core column, the first outer shells and the second outer shells are made of metal materials, and the first core columns and the second core columns are made of wood. According to the combined table frame structure, the first core columns made of wood are arranged in the first shells made of metal materials to form the table legs, the second core columns made of wood are arranged in the second shells made of metal materials to form the connecting beams, and the first shells and the second shells are supported through the first core columns and the second core columns correspondingly; deformation of the table frame in the transportation process can be effectively avoided, the stability and strength of the table frame are improved, and meanwhile the metal material cost of a manufacturer is not increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to furniture technical field, especially a kind of combination desk frame structure. BACKGROUND

[0002] With the rapid development of e-commerce, the popularity and convenience of online shopping are high, many users will choose to purchase furniture such as tables and chairs on online shopping platforms. Merchants design tables with detachable or foldable tabletops and desk frames, and detach or fold the tabletops and desk frames before selling and shipping to facilitate packaging and transportation. After the user receives the goods, most cases need to assemble the tabletop and desk frame by themselves to use the table normally. However, the existing detachable tabletop and desk frame assembly table generally uses screws for connection and fixation. Some merchants will include a screwdriver in the screw package, while others will not. Therefore, it brings some inconvenience to the user when installing and using the table. In addition, in order to reduce the cost of freight and the cost of materials for producing the table, the desk frame of the existing table is mostly formed by splicing and assembling hollow metal pipes. However, the hollow metal pipes may be deformed by being pressed or hit during logistics transportation, resulting in that the table received by the user is damaged, which not only causes economic losses to the user and the merchant, but also affects the reputation of the merchant.

[0003] Therefore, the prior art needs to be improved and improved. UTILITY MODEL CONTENT

[0004] In view of the above shortcomings of the prior art, the purpose of the utility model is to provide a combination desk frame structure, which aims to solve the technical problem that the desk frame is made of hollow metal pipes in the prior art and is easily deformed by being pressed during logistics transportation.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A combination desk frame structure, comprising: four table legs and four connecting beams, the four connecting beams are connected end to end to form a detachable rectangular frame, the four table legs are detachably connected to the four connecting beams, the table leg comprises a first outer shell and a first core column arranged in the first outer shell, the connecting beam comprises a second outer shell and a second core column arranged in the second outer shell, the first outer shell and the second outer shell are made of metal material, and the first core column and the second core column are made of wood.

[0007] The combination desk frame structure, wherein the first outer shell and the second outer shell are both square tubes with both ends open, one side wall of the first outer shell is provided with a first limiting groove, and one side wall of the second outer shell is provided with a second limiting groove.

[0008] The combined table frame structure, wherein the first core column is provided with a first limiting part, the first limiting part is outwardly formed from a side surface of the first core column and embedded into a first limiting groove; the second core column is provided with a second limiting part, the second limiting part is outwardly formed from a side surface of the second core column and embedded into a second limiting groove.

[0009] The combined table frame structure, wherein an upper end of the first core column is provided with a first mounting groove, an opening of the first mounting groove is formed on a surface of the first limiting part, a side groove wall of the first mounting groove is a wedge surface, the first mounting groove is axially parallel to the first core column, an upper end of the first mounting groove is provided with an opening, and a groove opening width of the first mounting groove is smaller than a groove bottom width thereof.

[0010] The combined table frame structure, wherein an end of the second core column is provided with a first mounting block, the first mounting block is outwardly formed from an end surface of the second core column, and the first mounting block is a wedge-shaped block matching a shape of the first mounting groove, the first mounting groove is used for accommodating and mounting the first mounting block to connect one table leg with one connecting beam.

[0011] The combined table frame structure, wherein the second core column is further provided with a second mounting block, the second mounting block is outwardly formed from a surface of the second limiting part, and the second mounting block is located at an end of the second core column close to the first mounting block, and the second mounting block is a wedge-shaped block.

[0012] The combined table frame structure, wherein the other end of the second core column is provided with a second mounting groove, an opening of the second mounting groove is located on an end surface of the second core column, an end of the second mounting groove close to the second limiting part is provided with an opening, a side groove wall of the second mounting groove is a wedge surface, a groove opening width of the second mounting groove is smaller than a groove bottom width thereof, and the second mounting groove of one connecting beam is used for accommodating and mounting the second mounting block of another connecting beam to realize connection of the two connecting beams.

[0013] The combined table frame structure, wherein a lower end of the first shell is provided with a third limiting part, the third limiting part is inwardly bent and formed from two side walls of the first shell.

[0014] The combined table frame structure, wherein the combined table frame structure further comprises a cushion block, an upper end of the cushion block is accommodated inside a lower end of the first shell, the cushion block is provided with a third limiting groove, the third limiting groove is used for accommodating and mounting the third limiting part, and a lower end of the cushion block protrudes outside the lower end of the first shell.

[0015] The combination table frame structure, wherein the upper end of the first core column is provided with a limiting column which is protruded upward from the upper end surface of the first core column, and the limiting column is used for mounting a limiting matched table plate.

[0016] Advantages:

[0017] The utility model provides a combination table frame structure, including four table legs and four connecting beams of detachable connection, and the table leg includes first shell and first core column, and the connecting beam includes second shell and second core column, and first shell and second shell all adopt metal material to make, and first core column and second core column all adopt wood to make. This combination table frame structure forms the table leg by first core column made of wood is installed in first shell made of metal material, forms the connecting beam by second core column made of wood is installed in second shell made of metal material, and first core column and second core column support first shell and second shell respectively, can effectively avoid the deformation of table frame in the transportation engineering, improve the stability and strength of table frame, and do not increase the metal material cost of manufacturer. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model provides a three-dimensional structure schematic diagram of combination table frame structure;

[0019] Figure 2 The utility model provides a three-dimensional structure schematic diagram of first shell;

[0020] Figure 3 The utility model provides a three-dimensional structure schematic diagram of first core column;

[0021] Figure 4 The utility model provides a three-dimensional structure schematic diagram of second shell;

[0022] Figure 5 The utility model provides a three-dimensional structure schematic diagram of second core column;

[0023] Figure 6 The utility model provides a three-dimensional structure schematic diagram of cushion block.

[0024] Reference Signs:

[0025] 1 - table leg 11 - first shell 12 - first core column

[0026] 13 - first limiting groove 14 - first limiting portion 15 - first installation groove

[0027] 16 - third limiting portion 17 - cushion block 18 - third limiting groove

[0028] 19 - limiting column 2 - connecting beam 21 - second shell

[0029] 22 - second core column 23 - second limiting slot 24 - second limiting part

[0030] 25 - first mounting block 26 - second mounting block 27 - second mounting slot. DETAILED DESCRIPTION

[0031] The utility model provides a kind of combined table frame structure, to make the purpose, technical scheme and effect of the utility model more clear, definite, the following referring to drawing and taking example to the utility model is further detailed explanation.The specific embodiments described herein should be understood to merely be illustrative of the utility model and not limiting thereof.

[0032] In the description of the utility model, it should be understood that the terms "upper", "lower", "left", "right" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, and a particular orientation configuration and operation, therefore, it should not be understood as a limitation on the utility model. In addition, "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.

[0033] Please refer to Figures 1 to 6As shown, the utility model provides a kind of combined table frame structure, wherein, including: four table legs 1 with four connecting beams 2, four connecting beams 2 head-to-tail form detachable rectangular frame, four table legs 1 respectively with four connecting beams 2 detachable connection, the table leg 1 includes first shell 11 and the first core column 12 being arranged in the first shell 11, the connecting beam 2 includes second shell 21 and the second core column 22 being arranged in the second shell 21, the first shell 11 with second shell 21 are made of metal material, the first core column 12 with second core column 22 are made of wood.In the embodiment, the first shell 11 with second shell 21 are made of light weight, great strength metal material such as aluminum alloy, the first core column 12 with second core column 22 are made of light weight, renewable cycle solid wood or synthetic wood, such as environmental protection ecological wood, so that the weight of table frame whole is more light, it is favorable to reduce transportation cost.In production, the inner side wall of first shell 11 and the outer side of first core column 12 are closely attached, the inner side wall of second shell 21 and the outer side of second core column 22 are closely attached, so that there is no extra space between shell and core column, utilize wooden core column to support metal shell from inside, improve the strength of table leg 1 and connecting beam 2, while not increase the metal material cost of manufacturer, even in the process of transportation, the metal shell of table leg 1 or connecting beam 2 is not deformed when local partial pressure or impact, ensure the quality of table frame product, reduce loss and influence.

[0034] When assembling, four connecting beams 2 need to be head-to-tail, then four table legs 1 are corresponded with four connecting beams 2, one table leg 1 is installed to one end of one connecting beam 2, after the assembly of table frame is completed, the table top that is sold in pairs is installed on the table frame, and it can be used.

[0035] Please refer to Figure 2 With Figure 4 As shown, the first shell 11 and second shell 21 are both square tubes with two open ends, one side wall of the first shell 11 is provided with a first limiting groove 13, and one side wall of the second shell 21 is provided with a second limiting groove 23.In the embodiment, the cross section of the table leg 1 and the connecting beam 2 is square, the length of the first shell 11 is less than the length of the first core column 12, the length of the second shell 21 is less than the length of the second core column 22, and the mounting structure of the table leg 1 and the connecting beam 2 is arranged on the first core column 12 and the second core column 22 respectively, the first shell 11 and the second shell 21 are designed to expose the mounting structure, to avoid interference with the assembly of the table leg 1 and the connecting beam 2.

[0036] Please refer to Figure 3 And Figure 5As shown, the first core column 12 is provided with a first limiting part 14 which is outwardly protruded from one side of the first core column 12 and embedded into a first limiting groove 13; the second core column 22 is provided with a second limiting part 24 which is outwardly protruded from one side of the second core column 22 and embedded into a second limiting groove 23. In this embodiment, the thickness of the first limiting part 14 is equal to the height of the side wall of the first limiting groove 13, the width of the first limiting part 14 is equal to the width of the first limiting groove 13, and the first limiting part 14 embedded into the first limiting groove 13 makes the installation of the first outer shell 11 and the first core column 12 more firm; the thickness of the second limiting part 24 is equal to the height of the side wall of the second limiting groove 23, the width of the second limiting part 24 is equal to the width of the second limiting groove 23, and the second limiting part 24 embedded into the second limiting groove 23 makes the installation of the second outer shell 21 and the second core column 22 more firm. In addition, the first limiting part 14 is exposed outside the first outer shell 11 through the first limiting groove 13, and the second limiting part 24 is exposed outside the second outer shell 21 through the second limiting groove 23, which facilitates the installation of the first core column 12 and the second core column 22.

[0037] Please refer to Figure 3 As shown, the upper end of the first core column 12 is provided with a first installation groove 15, the slot of which is formed on the surface of the first limiting part 14, one side of the slot wall of the first installation groove 15 is a wedge surface, the first installation groove 15 is axially parallel to the first core column 12, the upper end of the first installation groove 15 is provided with an opening, and the slot width of the first installation groove 15 is smaller than the width of the groove bottom. In this embodiment, the other side of the slot wall of the first installation groove 15 is perpendicular to the surface of the first limiting part 14. When assembling, the first installation block 25 on the second core column 22 is downwardly entered into the first installation groove 15 from the opening at the upper end of the first installation groove 15, the design of the narrower slot width and the wedge surface of one side of the slot wall of the first installation groove 15 can prevent the first installation block 25 from sliding out of the slot of the first installation groove 15, and the opening at the upper end of the first installation groove 15 is blocked by the matched desktop, so that the first core column 12 and the second core column 22 are firmly and vertically connected, i.e. one table leg 1 and one connecting beam 2 are vertically installed and connected.

[0038] Please refer to Figure 5As shown, one end of the second core column 22 is provided with a first mounting block 25, which is outwardly protruding from the end face of the second core column 22, and the first mounting block 25 is a wedge-shaped block matching the shape of the first mounting groove 15, which is used to accommodate the first mounting block 25 to connect one table leg 1 with one connecting beam 2. In this embodiment, the wedge-shaped surface of the first mounting block 25 is arranged on the side of the second core column 22 away from the second limiting portion 24, and the side face of the first mounting block 25 close to the second limiting portion 24 is parallel to the surface of the first limiting portion 14, so that after the assembly of the table leg 1 and the connecting beam 2, the first limiting portion 14 and the second limiting portion 24 are both located in the table frame. The wedge-shaped surface of the first mounting block 25 and the wedge-shaped surface of the first mounting groove 15 are matched with each other, and the friction and pressure between them make the first mounting block 25 firmly embedded in the first mounting groove 15.

[0039] As shown in FIG. 1, Figure 5 As shown, the second core column 22 is also provided with a second mounting block 26, which is outwardly protruding from the surface of the second limiting portion 24, and the second mounting block 26 is located at the end of the second core column 22 close to the first mounting block 25, and the second mounting block 26 is a wedge-shaped block. In this embodiment, for the convenience of production and assembly, the second mounting block 26 is perpendicular to the second limiting portion 24, and the length of the second mounting block 26 is less than the cross-sectional width of the second core column 22.

[0040] As shown in FIG. 1, Figure 5 As shown, the other end of the second core column 22 is provided with a second mounting groove 27, and the slot of the second mounting groove 27 is located at the end face of the second core column 22, and the end of the second mounting groove 27 close to the second limiting portion 24 is provided with an opening, and the side groove wall of the second mounting groove 27 is a wedge-shaped surface, and the slot width of the second mounting groove 27 is less than the width of the groove bottom, and the second mounting groove 27 of one connecting beam 2 is used to accommodate the second mounting block 26 of another connecting beam 2 to realize the connection of the two connecting beams 2. In this embodiment, the length of the second mounting groove 27 is less than the cross-sectional width of the second core column 22 and greater than or equal to the length of the second mounting block 26. During assembly, the second mounting block 26 of one connecting beam 2 is first put into the second mounting groove 27 from the opening of the second limiting portion 24 of another connecting beam 2, and the wedge-shaped surface of the second mounting block 26 and the wedge-shaped surface of the second mounting groove 27 are in contact with each other, and the friction and pressure between them make the second mounting block 26 firmly embedded in the second mounting groove 27, so as to combine and connect the two connecting beams 2.

[0041] The first mounting block 25 and the first mounting groove 15, and the second mounting block 26 and the second mounting groove 27 are connected by a mortise and tenon structure, which eliminates the need for screws or other fasteners and tools, thus improving assembly convenience.

[0042] Please see Figure 2 As shown, a third limiting part 16 is provided at the lower end of the first outer shell 11, and the third limiting part 16 is formed by bending inward from both side walls of the first outer shell 11. In this embodiment, each first outer shell 11 is provided with two of the third limiting parts 16, and the two third limiting parts 16 are respectively located on the left and right sides of the first outer shell 11.

[0043] Please see Figure 1 and Figure 6 As shown, the system also includes a pad 17, the upper end of which is housed inside the lower end of the first outer shell 11. The pad 17 is provided with a third limiting groove 18, which is used to accommodate the third limiting part 16. The lower end of the pad 17 protrudes outside the lower end of the first outer shell 11. In this embodiment, the pad 17 is made of plastic material. During production, the pad 17 is installed inside the first outer shell 11, and the third limiting part 16 is embedded in the third limiting groove 18, so that the pad 17 is firmly connected to the first outer shell 11, preventing the pad 17 from falling off during use and transportation. The pad 17 is used to reduce the wear between the table leg 1 and the ground, and can prevent the metal shell of the table leg 1 from scratching the user's floor, and reduce the noise generated by the collision between the table leg 1 and the ground when moving the table.

[0044] Please see Figure 1 and Figure 3 As shown, a limiting post 19 is provided at the upper end of the first core post 12. The limiting post 19 protrudes upward from the upper end surface of the first core post 12 and is used to install and limit the matching tabletop. In this embodiment, the limiting post 19 is a triangular prism with rounded edges to limit the installation of the matching tabletop.

[0045] In summary, this utility model forms table legs 1 by inserting a first core column 12 made of wood into a first outer shell 11 made of metal, and forming a connecting beam 2 by inserting a second core column 22 made of wood into a second outer shell 21 made of metal. The first core column 12 and the second core column 22 support the first outer shell 11 and the second outer shell 21 respectively, which can effectively prevent the table frame from deforming during transportation, improve the stability and strength of the table frame, and at the same time, not increase the manufacturer's metal material costs.

[0046] It can be understood that, for those skilled in the art, equivalent replacement or change can be made according to the technical scheme and the utility model concept of the utility model, and all these changes or replacements shall belong to the protection scope of the claims attached to the utility model.

Claims

1. A combination table frame structure, characterized by, The utility model relates to a detachable rectangular frame table leg (1) and four connecting beams (2) are connected, four connecting beams (2) are connected head to tail and form, four table legs (1) are detachably connected with four connecting beams (2) respectively, the table leg (1) includes first shell (11) and sets up first core column (12) in first shell (11), and the connecting beam (2) includes second shell (21) and sets up second core column (22) in second shell (21), first shell (11) and second shell (21) are all made of metal material, and first core column (12) and second core column (22) are all made of wood. The first shell (11) and the second shell (21) are both square tubes with both ends open, one side wall of the first shell (11) is provided with a first limiting groove (13), and one side wall of the second shell (21) is provided with a second limiting groove (23).

2. The combination table frame structure according to claim 1, wherein, The first core column (12) is provided with a first limiting portion (14) which is outwardly protruding from one side of the first core column (12) and embedded in the first limiting groove (13); the second core column (22) is provided with a second limiting portion (24) which is outwardly protruding from one side of the second core column (22) and embedded in the second limiting groove (23).

3. The combination table frame structure of claim 2, wherein, The upper end of the first core column (12) is provided with a first mounting groove (15), the groove opening of the first mounting groove (15) is formed on the surface of the first limiting portion (14), one side groove wall of the first mounting groove (15) is a wedge surface, the first mounting groove (15) is axially parallel to the first core column (12), the upper end of the first mounting groove (15) is provided with an opening, and the groove opening width of the first mounting groove (15) is smaller than the groove bottom width.

4. The combination table frame structure of claim 3, wherein, One end of the second core column (22) is provided with a first mounting block (25) which is outwardly protruding from the end surface of the second core column (22), the first mounting block (25) is a wedge-shaped block which is matched with the shape of the first mounting groove (15), and the first mounting groove (15) is used for containing and mounting the first mounting block (25) to connect one table leg (1) with one connecting beam (2).

5. The combination table frame structure of claim 4, wherein, The second core column (22) is also provided with a second mounting block (26) which is outwardly protruding from the surface of the second limiting portion (24), the second mounting block (26) is located at one end of the second core column (22) close to the first mounting block (25), and the second mounting block (26) is a wedge-shaped block.

6. The combination table frame structure of claim 5, wherein, ​ 7. The modular table frame structure of claim 6, wherein, The other end of the second core column (22) is provided with a second mounting groove (27), the groove of the second mounting groove (27) is located at the end face of the second core column (22), one end of the second mounting groove (27) close to the second limiting part (24) is provided with an opening, the side groove wall of the second mounting groove (27) is a wedge surface, the width of the groove of the second mounting groove (27) is less than the width of its groove bottom, the second mounting groove (27) of one connecting beam (2) is used for containing and mounting the second mounting block (26) of another connecting beam (2) to realize the connection of two connecting beams (2).

8. The modular table frame structure of claim 2, wherein, The lower end of the first shell (11) is provided with a third limiting part (16), which is formed by bending inward from the two side walls of the first shell (11).

9. The modular table frame structure of claim 8, wherein, Further comprising a cushion block (17), the upper end of the cushion block (17) is contained in the inside of the lower end of the first shell (11), the cushion block (17) is provided with a third limiting groove (18), the third limiting groove (18) is used for containing and mounting the third limiting part (16), the lower end of the cushion block (17) protrudes outside the lower end of the first shell (11).

10. The modular table frame structure of claim 1, wherein, The upper end of the first core column (12) is provided with a limiting column (19), which is formed by protruding upward from the upper end face of the first core column (12), and the limiting column (19) is used for mounting a limiting matched table board.

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