A clamp for reserving a furniture leg mounting position

Abstract

The utility model discloses a clamp for reserving furniture leg mounting position, including outer frame positioning device, outer frame positioning device includes the base plate, and a plurality of outer push subassembly is arranged to the both sides of base plate symmetry, and outer push subassembly includes the connecting plate of fixed setting on the base plate and the push rod device of fixed setting on the connecting plate, and push rod device includes the free end, and is provided with the locating clamping block at the free end, the inner support positioning device includes the inner support frame, and is provided with a plurality of inner support blocks of corresponding locating clamping block on the inner support frame. This scheme can improve furniture automation assembly's efficiency and precision, reduce manual intervention and cost investment, and further guarantee furniture assembly's quality and user experience.

Description

Technical Field

[0001] This utility model relates to the field of furniture manufacturing technology, and in particular to a clamp for reserving installation positions for furniture legs. Background Technology

[0002] Furniture, such as tables, chairs, or stools, is composed of multiple parts connected by various structures. Whether it is assembled in a factory or assembled by the customer after receiving the goods, the accuracy of the relative positions of each part directly determines the assembly efficiency and the aesthetics and user experience of the assembled product. If there are deviations during assembly, the furniture may warp and deform, have large gaps, and seriously affect the user experience.

[0003] Because furniture occupies a lot of space, factories often disassemble it before shipping to save on transportation costs. While this saves on shipping costs, it's inconvenient for buyers, as they typically lack assembly experience and assembly takes a significant amount of time. Furthermore, if the parts have large tolerances at the factory, the assembled product is prone to warping and deformation. Therefore, manufacturers often assemble parts into semi-finished components, allowing buyers to easily assemble them in just a few simple steps, greatly simplifying the assembly process. For example, with stools, the legs take up the most space. If the factory accurately pre-cuts the positions for the legs on the stool surface during production, the buyer only needs to install the legs after receiving the goods, saving on packaging and shipping costs and simplifying assembly.

[0004] Patent document CN219563514U discloses a pressing device for wooden stool production, including a support platform. A support frame is fixedly connected to the top center of the support platform, and cylinder brackets are fixedly connected to the middle of both sides of the top of the support platform. A hydraulic cylinder is fixedly connected to the middle of the top of the support frame. Slide grooves are provided through the middle of both sides of the interior of the support frame, and slots are provided through the middle of the lower center of the interior of the support frame. A hydraulic rod is fixedly connected to the front end of the hydraulic cylinder. This solution achieves automated installation of the wooden stool production process through the linkage between the hydraulic cylinder, the limiting block, the pressure plate, and the slots. Simultaneously, the linkage between the limiting plate, the tension spring, the push rod motor, the top plate, and the push rod provides secondary reinforcement and fixation of the stool's position during production, preventing displacement during installation. However, this solution is only suitable for stools assembled in a factory and is not suitable for furniture requiring pre-reserved installation positions.

[0005] Therefore, it is necessary to design a new fixture to solve the above problems. Summary of the Invention

[0006] The present invention aims to solve the technical problem of accurately reserving installation positions for furniture in the factory, so that the furniture can be quickly and accurately assembled in subsequent assembly processes or in the hands of customers.

[0007] To solve the above technical problems, this utility model provides a clamp for reserving furniture leg installation positions, including: an outer frame positioning device, the outer frame positioning device including a base plate, a plurality of push-out components symmetrically arranged on both sides of the base plate, the push-out components including a connecting plate fixedly arranged on the base plate and a push rod device fixedly arranged on the connecting plate, the push rod device including a free end, and a positioning block is provided on the free end; An internal support positioning device includes an internal support frame and internal support blocks on the internal support frame with corresponding positioning blocks.

[0008] Preferably, the system includes furniture components, which include a furniture panel and a reinforcing connecting rod positioned on the furniture panel by a clamp. The positioning block is provided with a plurality of first outer frame limiting surfaces that restrict the lateral movement of the reinforcing connecting rod and second outer frame limiting surfaces that restrict the longitudinal movement of the reinforcing connecting rod. The inner support block includes an inner support limiting surface that restricts the lateral movement of the reinforcing connecting rod. The first outer frame limiting surface on the positioning block and the inner support limiting surface of the corresponding positioning block restrict the lateral movement of the reinforcing connecting rod, while the second outer frame limiting surface on two adjacent positioning blocks restricts the longitudinal movement of the reinforcing connecting rod.

[0009] Preferably, a plurality of panel positioning blocks corresponding to the furniture panel are provided around the furniture panel on the substrate, and the panel positioning blocks include panel limiting surfaces that restrict the movement of the furniture panel.

[0010] Preferably, a first fixing hole is provided on the connecting plate, and a second fixing hole corresponding to the first fixing hole is provided on the substrate. The connecting plate and the substrate are fixedly connected by bolts passing through the first fixing hole and the second fixing hole. A third fixing hole is provided on the push rod device, and a fourth fixing hole corresponding to the third fixing hole is provided on the connecting plate. The push rod device and the connecting plate are fixedly connected by bolts passing through the third fixing hole and the fourth fixing hole.

[0011] Preferably, the positioning block is made of plastic and has a fifth fixing hole at its free end. The positioning block is fixedly connected to the push rod device by a bolt with the fifth fixing hole through it.

[0012] Preferably, a guide groove is provided on the inner support frame, and a guide block corresponding to the guide groove is provided on the inner support block. The inner support block forms a sliding connection with the inner support frame through the guide groove and the guide block.

[0013] Preferably, a sixth fixing hole is provided on the inner support block, and a seventh fixing hole corresponding to the sixth fixing hole is provided on the guide block. The guide block and the inner support block are fixedly connected by bolts passing through the sixth fixing hole and the seventh fixing hole.

[0014] Preferably, a plurality of positioning pins are protruding below the panel positioning block, and positioning holes corresponding to the positioning pins are provided on the substrate. The panel positioning block and the substrate are fixedly connected through the positioning pins and positioning holes.

[0015] Preferably, the inner support block includes a buffer pad, the inner support limiting surface is located on the buffer pad, and the buffer pad is made of plastic material; Handles are provided on the inner support frame.

[0016] Preferably, the furniture panel has an arc-shaped cross-section and an arc-shaped surface, and an abutment block is provided on the substrate to abut the arc-shaped surface.

[0017] The beneficial effects of this utility model are as follows: This invention achieves high-precision positioning of the reinforced connecting rod and the panel through the coordinated action of the outer frame positioning device and the inner support positioning device. The first outer frame limiting surface of the positioning block and the inner support limiting surface of the inner support block work together to restrict lateral movement, while the second outer frame limiting surface of the adjacent positioning block restricts longitudinal movement, forming a precise positioning in three-dimensional space. This avoids the problems of component offset or uneven gaps caused by operational errors in traditional manual assembly. After the reinforced connecting rod is positioned, it is locked to the panel by locking components (such as screws). In this way, a furniture leg installation space with precise position and precise size is formed on the furniture component, so that the furniture legs can be quickly and accurately assembled in subsequent assembly processes or in the hands of customers.

[0018] The inner support block is slidably connected to the guide slide block through the guide groove, and its position can be flexibly adjusted according to the size of the reinforcing connecting rod. The push rod device and the connecting plate, as well as the positioning block and the push rod device, are all fixed with bolts, which facilitates quick replacement of limit components of different specifications and adapts to the production needs of various furniture models.

[0019] The push rod device of the external push assembly can automatically push the reinforcing connecting rod to the preset position. With the limiting effect of the internal support block, it realizes the integrated operation of "pushing-positioning-fixing", reducing manual intervention and shortening the assembly time of a single part.

[0020] Modular design allows for rapid switching between production models, and combined with automated production lines, it enables large-scale, standardized production of furniture components, thereby increasing production capacity. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model; Figure 2This is a schematic diagram of the structure after removing furniture components in an embodiment of the present invention; Figure 3 This is a schematic diagram of the outer frame positioning device in an embodiment of this utility model; Figure 4 for Figure 3 Enlarged view of point A in the middle; Figure 5 This is a partial exploded view of the outer frame positioning device in an embodiment of this utility model; Figure 6 This is a partial exploded view of the internal support positioning device in an embodiment of this utility model; Figure 7 This is a schematic diagram of the furniture components in an embodiment of the present utility model; Figure 8 This is a front view of an embodiment of the present utility model. Detailed Implementation

[0022] The present invention will now be described in detail with reference to the accompanying drawings, clearly illustrating the technical solutions in the embodiments of the present invention. The described embodiments are obviously only a part of the embodiments of the present invention, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0023] like Figures 1 to 8 As shown, this utility model provides a clamp for reserving installation positions for furniture legs, for furniture component 1. Furniture component 1 includes a furniture panel 11 and a reinforcing connecting rod 12 positioned on the furniture panel 11 by the clamp. The clamp includes an outer frame positioning device 2, which includes a base plate 21. Several outward pushing components 22 are symmetrically arranged on both sides of the base plate 21. The outward pushing components 22 include a connecting plate 221 fixedly arranged on the base plate 21 and a push rod device 222 fixedly arranged on the connecting plate 221. The push rod device 222 includes a free end 2221, and a positioning block 223 is provided on the free end 2221. The inner support positioning device 3 includes an inner support frame 31, on which a plurality of inner support blocks 32 corresponding to positioning blocks 223 are provided.

[0024] This fixture is mainly used for the automatic installation and positioning of HDPE or wooden furniture components 1. Its core function is to accurately position and install the reinforcing connecting rod 12 on the furniture panel 11, ensuring the accuracy and stability of the installation position. This provides precise position and size space for the subsequent installation of furniture legs, improving assembly efficiency and product quality. The entire device consists of an outer frame positioning device 2, an inner support positioning device 3, the furniture component 1, and some auxiliary positioning and connecting components. These components cooperate with each other to complete the positioning and installation task of the furniture component 1.

[0025] In this embodiment, the furniture panel 11 is the seat of an HDPE stool, and the reinforcing connecting rod 12 is a reinforcing connector located between the legs at the bottom of the seat. That is, the reinforcing connecting rod 12 is a reinforcing connecting plate positioned on the seat before the stool legs are installed, leaving an accurate installation position for the stool legs to be installed later.

[0026] Specifically, the furniture panel 11 serves as the main supporting structure of the furniture, providing an installation base for the reinforcing connecting rod 12. The shape and size of the furniture panel 11 are determined according to the actual design requirements of the furniture. In this technical solution, the furniture panel 11 has an arc-shaped cross-section and an arc-shaped surface 111. During installation and positioning, the furniture panel 11 is located at the bottom of the entire furniture component 1, forming the foundation of the furniture.

[0027] The reinforcing connecting rod 12 is a functional component of the furniture. It is positioned and installed on the furniture panel 11 using clamps to realize various functions of the furniture. The shape and size of the reinforcing connecting rod 12 are designed according to actual needs. In this technical solution, it needs to be precisely positioned using positioning blocks 223 and inner support blocks 32.

[0028] In this embodiment, the base plate 21 serves as the basic support structure of the outer frame positioning device 2, providing an installation platform for other components and ensuring the stability and rigidity of the entire outer frame positioning device 2. It withstands various forces applied by components such as the push-out assembly 22, ensuring that no deformation occurs during the positioning process, thereby guaranteeing the accuracy of positioning.

[0029] In this embodiment, the connecting plate 221 acts as a bridge connecting the substrate 21 and the push rod device 222. On the one hand, it is fixedly fixed to the substrate 21 by being fixedly connected to the substrate 21; on the other hand, it provides an installation position for the push rod device 222, ensuring that the push rod device 222 can be accurately installed on the substrate 21 and can withstand the force transmitted by the push rod device 222.

[0030] Specifically, the connecting plates 221 are symmetrically arranged on both sides of the base plate 21, and the number is determined according to actual needs, generally multiple, to ensure that a uniform external thrust is applied to the reinforcing connecting rod 12.

[0031] The push rod device 222 is the core component of the push assembly 22. Through the telescopic movement of its free end 2221, it pushes the positioning block 223 toward the reinforcing connecting rod 12, thereby achieving the positioning and fixing of the reinforcing connecting rod 12. The push rod device 222 can provide precise displacement control to ensure that the positioning block 223 can accurately reach the predetermined position, thus ensuring the positioning accuracy of the reinforcing connecting rod 12.

[0032] The push rod device 222 is fixedly installed on the connecting plate 221, with its free end 2221 facing the direction of the reinforcing connecting rod 12, so that the positioning block 223 can be accurately pushed toward the reinforcing connecting rod 12.

[0033] like Figures 1 to 5 As shown, in this embodiment, the positioning block 223 is provided with a plurality of first outer frame limiting surfaces 2231 that restrict the lateral movement of the reinforcing connecting rod 12 and second outer frame limiting surfaces 2232 that restrict the longitudinal movement of the reinforcing connecting rod 12. The inner support block 32 includes an inner support limiting surface 321 that restricts the lateral movement of the reinforcing connecting rod 12.

[0034] The first outer frame limiting surface 2231 on the positioning block 223 and the inner support limiting surface 321 of the corresponding inner support block 32 of the positioning block 223 restrict the lateral movement of the reinforcing connecting rod 12, while the second outer frame limiting surface 2232 on the two adjacent positioning blocks 223 restricts the longitudinal movement of the reinforcing connecting rod 12.

[0035] The first outer frame limiting surface 2231 and the second outer frame limiting surface 2232 on the positioning block 223 of the outer frame positioning device 2, and the inner support limiting surface 321 on the inner support block 32 of the inner support positioning device 3, respectively restrict the lateral and longitudinal movement of the reinforcing connecting rod 12, thereby achieving precise positioning of the reinforcing connecting rod 12. At the same time, the movement of the furniture panel 11 is restricted by the panel positioning block 224, ensuring the positional stability of the furniture panel 11, thus providing a stable foundation for the installation of the reinforcing connecting rod 12.

[0036] In this embodiment, the positioning block 223 directly contacts the reinforcing connecting rod 12. Through its first outer frame limiting surface 2231 and second outer frame limiting surface 2232, it restricts the lateral and longitudinal movement of the reinforcing connecting rod 12, thereby achieving precise positioning of the reinforcing connecting rod 12. The design of the positioning block 223 directly affects the positioning accuracy and stability of the reinforcing connecting rod 12. The positioning block 223 is installed at the free end 2221 of the push rod device 222, with its first outer frame limiting surface 2231 and second outer frame limiting surface 2232 facing the reinforcing connecting rod 12, so as to accurately restrict the movement of the reinforcing connecting rod 12.

[0037] In this embodiment, the inner support frame 31 serves as the basic support structure of the inner support positioning device 3, providing an installation platform for the inner support block 32 and bearing the internal support force exerted by the inner support block 32 on the reinforcing connecting rod 12. The design of the inner support frame 31 must ensure sufficient strength and rigidity to prevent deformation during the positioning process. The inner support frame 31 is located inside the furniture panel 11 and cooperates with the outer frame positioning device 2 to jointly position the reinforcing connecting rod 12.

[0038] The inner support block 32, through its inner support limiting surface 321, cooperates with the first outer frame limiting surface 2231 on the positioning block 223 to restrict the lateral movement of the reinforcing connecting rod 12, further enhancing the positioning stability of the reinforcing connecting rod 12. The design of the inner support block 32 is optimized according to the shape and size of the reinforcing connecting rod 12 to ensure sufficient support force and positioning accuracy. The inner support block 32 is installed on the inner support frame 31, with its inner support limiting surface 321 facing the reinforcing connecting rod 12, corresponding to the first outer frame limiting surface 2231 on the positioning block 223, jointly restricting the lateral movement of the reinforcing connecting rod 12.

[0039] like Figures 3 to 5 As shown, in this embodiment, a plurality of panel positioning blocks 224 corresponding to the furniture panel 11 are provided on the substrate 21 around the furniture panel 11. The panel positioning block 224 includes a panel limiting surface 2241 that restricts the movement of the furniture panel 11.

[0040] Specifically, panel positioning blocks 224 are disposed on the base plate 21 around the furniture panel 11, and the movement of the furniture panel 11 is restricted by the panel limiting surface 2241 thereon, ensuring the positional stability of the furniture panel 11 during installation. The design of the panel positioning blocks 224 is to ensure that the movement of the furniture panel 11 in all directions can be accurately restricted, while also conforming to the shape of the furniture panel 11.

[0041] like Figure 5 As shown, in this embodiment, a first fixing hole 2211 is provided on the connecting plate 221, and a second fixing hole 211 corresponding to the first fixing hole 2211 is provided on the substrate 21. The connecting plate 221 and the substrate 21 are fixedly connected by bolts passing through the first fixing hole 2211 and the second fixing hole 211.

[0042] A third fixing hole 2223 is provided on the push rod device 222, and a fourth fixing hole 2212 corresponding to the third fixing hole 2223 is provided on the connecting plate 221. The push rod device 222 and the connecting plate 221 are fixedly connected by bolts passing through the third fixing hole 2223 and the fourth fixing hole 2212.

[0043] Specifically, a first fixing hole 2211 is provided on the connecting plate 221, and a second fixing hole 211 corresponding to the first fixing hole 2211 is provided on the base plate 21. By inserting bolts through the first fixing hole 2211 and the second fixing hole 211, the connecting plate 221 and the base plate 21 are fixedly connected. This connection method is firm and reliable, easy to disassemble and install, and convenient for equipment maintenance and repair.

[0044] A third fixing hole 2223 is provided on the push rod device 222, and a fourth fixing hole 2212 corresponding to the third fixing hole 2223 is provided on the connecting plate 221. By inserting bolts through the third fixing hole 2223 and the fourth fixing hole 2212, the push rod device 222 and the connecting plate 221 are fixedly connected. This connection method ensures that the relative position between the push rod device 222 and the connecting plate 221 is fixed, enabling the push rod device 222 to work stably.

[0045] like Figures 3 to 5 As shown, in this embodiment, the positioning block 223 is made of plastic and has a fifth fixing hole 2222 at its free end 2221. The positioning block 223 is fixedly connected to the push rod device 222 by bolts that pass through the fifth fixing hole 2222.

[0046] In this embodiment, the positioning block 223 is made of plastic material. Plastic material has a certain degree of elasticity and wear resistance, which can reduce damage to the reinforcing connecting rod 12 when it comes into contact with it, and at the same time ensure the service life of the positioning block 223.

[0047] Specifically, a fifth fixing hole 2222 is provided at the free end 2221. The positioning block 223 is fixedly connected to the free end 2221 of the push rod device 222 by a bolt passing through the fifth fixing hole 2222. This connection method is simple and reliable, and facilitates the replacement of the positioning block 223 to accommodate reinforcing connecting rods 12 of different specifications.

[0048] like Figure 6 As shown, in this embodiment, a guide groove 311 is provided on the inner support frame 31, and a guide block 323 corresponding to the guide groove 311 is provided on the inner support block 32. The inner support block 32 forms a sliding connection with the inner support frame 31 through the guide groove 311 and the guide block 323.

[0049] Specifically, a guide groove 311 is provided on the inner support frame 31. The function of the guide groove 311 is to provide sliding guidance for the inner support block 32, so that the inner support block 32 can move accurately to the predetermined position along the guide groove 311, ensuring that the contact position between the inner support block 32 and the reinforcing connecting rod 12 is accurate. In addition, a handle 312 is also provided on the inner support frame 31 to facilitate the operator to move and adjust the position of the inner support positioning device 3.

[0050] like Figure 6 As shown, in this embodiment, a sixth fixing hole 322 is provided on the inner support block 32, and a seventh fixing hole 324 corresponding to the sixth fixing hole 322 is provided on the guide slider 323. The guide slider 323 and the inner support block 32 are fixedly connected by bolts passing through the sixth fixing hole 322 and the seventh fixing hole 324.

[0051] Specifically, a guide slider 323 is provided on the inner support block 32, and the guide slider 323 corresponds to the guide groove 311 on the inner support frame 31. The inner support block 32 is slidably connected to the inner support frame 31 through the guide groove 311 and the guide slider 323. This connection method allows the inner support block 32 to move flexibly on the inner support frame 31, making it easy to adjust the position of the inner support block 32. At the same time, a sixth fixing hole 322 is provided on the inner support block 32, and a seventh fixing hole 324 corresponding to the sixth fixing hole 322 is provided on the guide slider 323. By inserting bolts through the sixth fixing hole 322 and the seventh fixing hole 324, the guide slider 323 and the inner support block 32 are fixedly connected, ensuring that the inner support block 32 can be stably fixed on the inner support frame 31 after moving to the predetermined position.

[0052] like Figure 3 and Figure 4 As shown, in this embodiment, a plurality of positioning pins 2242 are protruding below the panel positioning block 224, and positioning holes 212 corresponding to the positioning pins 2242 are provided on the substrate 21. The panel positioning block 224 and the substrate 21 are fixedly connected through the positioning pins 2242 and the positioning holes 212.

[0053] Specifically, the substrate 21 has a positioning block receiving hole 212 for accommodating the panel positioning block 224, and an installation process hole 2242 is provided at the corner of the positioning block receiving hole 212. The panel positioning block 224 and the positioning block receiving hole 212 are interference-fitted, and the panel positioning block 224 and the substrate 21 are fixedly connected by pressing the panel positioning block 224 into the positioning block receiving hole 212. This connection method is accurate in positioning, simple to install, and easy to disassemble.

[0054] like Figure 6 As shown, in this embodiment, the inner support block 32 includes a buffer pad 325, and the inner support limiting surface 321 is located on the buffer pad 325. The buffer pad 325 is made of flexible rubber or silicone. A handle 312 is provided on the inner support frame 31.

[0055] The function of the buffer pad 325 is to reduce damage to the reinforcing connecting rod 12 when the inner support block 32 comes into contact with the reinforcing connecting rod 12, and at the same time, it can also play a certain role in elastic buffering and facilitate positioning.

[0056] like Figure 3 , Figure 7 and Figure 8As shown, in this embodiment, the furniture panel 11 has an arc-shaped cross section and an arc-shaped surface 111. An abutment block 225 that abuts against the arc-shaped surface 111 is provided on the substrate 21.

[0057] An abutment block 225 is provided on the substrate 21 to abut against the arc-shaped surface 111. The function of the abutment block 225 is to abut against the arc-shaped surface 111 of the furniture panel 11, to provide support and positioning for the furniture panel 11, to prevent the furniture panel 11 from moving or deforming during installation, and to ensure the installation stability of the furniture panel 11.

[0058] This utility model provides a clamp for reserving installation positions for furniture legs, one of the working processes of which is as follows: First, place the furniture panel 11 on the base plate 21. The panel positioning block 224 restricts the movement of the furniture panel 11, fixing its position. Next, activate the outward push assembly 22. The push rod device 222 pushes out the positioning block 223. Then, place the reinforcing connecting rods 12 between the positioning blocks 223. Finally, press the inner support positioning device 3 into the space enclosed by the reinforcing connecting rods 12 to accurately position the reinforcing connecting rods 12. Screws are driven between the reinforcing connecting rods 12 and the furniture panel 11 to complete the fastening connection. After fastening, activate the outward push assembly 22 to remove the positioning blocks 223 and take away the inner support positioning device 3. Then, a precise position and size installation space for the stool legs can be formed between the adjacent reinforcing connecting rods 12. In subsequent factory assembly processes or when assembling at the customer's hands, simply place the stool legs in the installation space and then lock them with fasteners. This allows for quick and accurate assembly. The assembled stool will not warp or deform, has an aesthetically pleasing appearance, and requires fewer installation steps for the user.

[0059] This utility model has many application scenarios, including but not limited to the following described scenarios: HDPE, due to its weather resistance and corrosion resistance, is commonly used in the manufacture of outdoor tables, chairs, and storage cabinets. This type of furniture requires mass production and high precision in component connections. Traditional manual assembly is inefficient and easily affected by environmental factors (such as temperature and humidity). Automated positioning and fixing ensures the structural stability of outdoor furniture in complex environments while improving production efficiency and meeting the demands of large-scale orders.

[0060] Curved panel furniture (such as curved backrest stools and streamlined tables) is unique in design and difficult to assemble, requiring specialized equipment to ensure alignment of the curvature and structural stability. The abutment blocks on the base plate precisely match the curved panels, and with the limiting effect of the internal support blocks, high-precision assembly of curved components is achieved, meeting the dual demands of the high-end furniture market for both design and quality.

[0061] This fixture aims to solve the technical challenge of quickly and accurately connecting components during automated furniture assembly, significantly improving the efficiency and precision of automated furniture assembly, reducing manual intervention and cost input, further ensuring the quality of furniture assembly and user experience, and providing strong support for the automation upgrade of the furniture manufacturing industry.

Claims

1. A clamp for reserving installation positions for furniture legs, characterized in that, include: The outer frame positioning device includes a base plate, and several push-out components are symmetrically arranged on both sides of the base plate. Each push-out component includes a connecting plate fixedly arranged on the base plate and a push rod device fixedly arranged on the connecting plate. The push rod device includes a free end and a positioning block is provided on the free end. An internal support positioning device includes an internal support frame and internal support blocks on the internal support frame with corresponding positioning blocks.

2. The clamp for reserving installation positions for furniture legs according to claim 1, characterized in that, The furniture component includes a furniture panel and a reinforcing connecting rod positioned on the furniture panel by a clamp. The positioning block is provided with a number of first outer frame limiting surfaces that restrict the lateral movement of the reinforcing connecting rod and second outer frame limiting surfaces that restrict the longitudinal movement of the reinforcing connecting rod. The inner support block includes an inner support limiting surface that restricts the lateral movement of the reinforcing connecting rod. The first outer frame limiting surface on the positioning block and the inner support limiting surface of the corresponding positioning block restrict the lateral movement of the reinforcing connecting rod, while the second outer frame limiting surface on two adjacent positioning blocks restricts the longitudinal movement of the reinforcing connecting rod.

3. The clamp for reserving installation positions for furniture legs according to claim 2, characterized in that, A number of panel positioning blocks corresponding to the furniture panel are arranged around the furniture panel on the substrate. The panel positioning blocks include panel limiting surfaces that restrict the movement of the furniture panel.

4. The clamp for reserving installation positions for furniture legs according to claim 1, characterized in that, A first fixing hole is provided on the connecting plate, and a second fixing hole corresponding to the first fixing hole is provided on the substrate. The connecting plate and the substrate are fixedly connected by bolts passing through the first fixing hole and the second fixing hole. A third fixing hole is provided on the push rod device, and a fourth fixing hole corresponding to the third fixing hole is provided on the connecting plate. The push rod device and the connecting plate are fixedly connected by bolts passing through the third fixing hole and the fourth fixing hole.

5. The clamp for reserving installation positions for furniture legs according to claim 2, characterized in that, The positioning block is made of plastic and has a fifth fixing hole at its free end. The positioning block is fixedly connected to the push rod device by a bolt that passes through the fifth fixing hole.

6. The clamp for reserving installation positions for furniture legs according to claim 1, characterized in that, The inner support frame is provided with a guide groove, and the inner support block is provided with a guide block corresponding to the guide groove. The inner support block is slidably connected to the inner support frame through the guide groove and the guide block.

7. The clamp for reserving installation positions for furniture legs according to claim 6, characterized in that, A sixth fixing hole is provided on the inner support block, and a seventh fixing hole corresponding to the sixth fixing hole is provided on the guide block. The guide block and the inner support block are fixedly connected by bolts passing through the sixth fixing hole and the seventh fixing hole.

8. The clamp for reserving installation positions for furniture legs according to claim 3, characterized in that, Several positioning pins are protruding below the panel positioning block, and positioning holes corresponding to the positioning pins are provided on the substrate. The panel positioning block and the substrate are fixedly connected through the positioning pins and positioning holes.

9. The clamp for reserving installation positions for furniture legs according to claim 3, characterized in that, The inner support block includes a buffer pad, and the inner support limiting surface is located on the buffer pad, which is made of a flexible material. Handles are provided on the inner support frame.

10. The clamp for reserving installation positions for furniture legs according to claim 3, characterized in that, The furniture panel has an arc-shaped cross-section and an arc-shaped surface, and an abutment block is provided on the substrate to abut the arc-shaped surface.

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