Synchronous sliding mechanism and folding table

Abstract

The utility model provides a synchronous sliding mechanism and a folding table. The synchronous expansion and closure of the desktop are achieved by matching the steel wire rope and the roller, ensuring the stability and reliability of the desktop movement. The guide rail combined with the bearing pulley limits the left and right swing amplitude of the desktop, while enhancing the load-bearing capacity of the desktop, effectively preventing the desktop from shaking or becoming unstable during movement. This design not only improves the load-bearing capacity of the desktop, but also greatly improves the smoothness and comfort of the desktop's extension and retraction, allowing users to enjoy a smoother and more comfortable operating experience during use. It solves the problems of the existing sliding mechanism having high precision requirements for the steel wire rope and the guide rail, poor matching, large gaps, and high costs.

Description

Technical Field

[0001] The utility model relates to a connection structure, in particular to a synchronous sliding mechanism and a folding table. Background Art

[0002] The standard wire rope guide structure is a common mechanical transmission structure used to achieve synchronous pulling and pulling of objects such as desktops. Through the wire ropes fixed on both sides of the desktop and the guide structure below, the desktop can achieve a smooth lifting process. The wire rope has softness and strong tensile strength, and the guide rail plays a guiding and supporting role to ensure that the desktop remains horizontal and stable during the pulling and pulling process. This structural design is simple and effective, and is suitable for various occasions that require synchronous pulling and pulling.

[0003] However, the standard steel wire rope guide rail structure also has some disadvantages. First, the precision requirements for the steel wire rope and the guide rail are high, the fit is poor, and the gap is large. If the processing or installation is improper, the desktop may be unstable or the pull-out structure may be stuck when the desktop is raised or lowered. Secondly, the cost of the standard steel wire rope guide rail structure set as a set is high.

[0004] Therefore, a folding table is needed to solve the problems of unstable table top, stuck pulling structure and high cost caused by the existing standard steel wire guide structure to achieve synchronous pulling of the table top. Utility Model Content

[0005] In view of the above-mentioned shortcomings of the prior art, the utility model provides a synchronous sliding mechanism and a folding table, which are used to solve the problems of the prior art folding table that achieves synchronous pulling and pulling through a wire rope guide structure, resulting in an unstable table top, stuck pulling structure and high cost.

[0006] To achieve the above-mentioned purpose, the utility model provides a synchronous sliding mechanism in a first aspect, comprising: a guide rail 12 and two sliding blocks 11 slidably arranged on the guide rail 12; a cable 25 assembly 2, wherein the cable 25 assembly 2 comprises a cable 25 and two guide members 21 respectively arranged at both ends of the guide rail 12, wherein the cable 25 is connected end to end and sleeved on the two guide members 21, wherein the cable 25 is defined as two sections symmetrical up and down about the connecting line of the two guide members 21, wherein the cable 25 is fixed end to end on the same sliding block 11 and is located at the two guide members 21. On the same side of the connecting line, when the cable 25 rotates around the two guide members 21, the movement directions of the two sections of the cable 25 are opposite, and the two sliding blocks 11 are respectively fixed to the two sections of the cable 25. When one of the sliding blocks 11 is pushed to slide toward the other sliding block 11, the other sliding block 11 slides in the opposite direction driven by the cable 25. At this time, the two sliding blocks 11 slide toward each other synchronously; when one of the sliding blocks 11 is pushed to slide in the direction away from the other sliding block 11, the other sliding block 11 also slides in the opposite direction synchronously driven by the cable 25.

[0007] In an embodiment of the present application, the two sliding blocks 11 are provided with a plurality of fixing posts 23 for fixing the cables 25 .

[0008] In an embodiment of the present application, both ends of the cable 25 are fixed to the same sliding block 11 via a fixing column 23 .

[0009] In an embodiment of the present application, the two sliding blocks 11 are symmetrical about the center of the guide rail 12 .

[0010] In one embodiment of the present application, the two sliding blocks 11 are fixedly connected to a plurality of bearing pulleys 22 above and below the line connecting the two guide members 21, and the upper and lower bearing pulleys 22 are engaged with the inner upper wall and the inner lower wall of the guide rail 12 to enable the two sliding blocks 11 to slide on the guide rail 12.

[0011] In one embodiment of the present application, rope grooves are respectively provided at the ends of the two guide members 21 for accommodating the pull rope 25 .

[0012] To achieve the above-mentioned purpose, the second aspect of the utility model provides a folding table, including: the synchronous sliding mechanism described in any of the above items; a supporting fence 4, the synchronous sliding mechanism is arranged on the supporting fence 4; a table board assembly, the table board assembly includes a middle table board 3 and side table boards 1 arranged on both sides of the middle table board 3, the side table boards 1 are slidably arranged on the top of the supporting fence 4, and are respectively connected to the sliding blocks 11; push one of the side table boards 1 to slide outward, and the side table board 1 on the other side also slides synchronously in the opposite direction toward the outside under the drive of the sliding block 11, when the sliding block 11 runs to the end of the guide rail 12, the middle table board 3 is arranged and assembled with the two side table boards 1 to form a complete desktop, and the folding table is in the unfolded state at this time; fold the middle table board 3, push one of the side table boards 1 to slide inward, and the side table board 1 on the other side also slides synchronously until the two side table boards 1 are aligned, and the folding table is in the folded state at this time.

[0013] In some embodiments of the second aspect of the present application, a support frame is provided on the support fence 4, and when the folding table is in a folded state, the middle table board 3 is placed on the support frame.

[0014] In some embodiments of the second aspect of the present application, the center table board 3 is hinged to the support frame, and the center table board 3 can be folded to save space. When the folding table is switched to a folded state, the center table board 3 is rotated along the support frame so that the center table board is folded and placed on the support frame.

[0015] In some embodiments of the second aspect of the present application, the folding table also includes: four folding table legs 5 at the bottom of the folding table, and the folding table legs 5 are rotatably arranged on the supporting fence 4; when the folding table legs 5 are rotated to a horizontal direction, they are stored inside the supporting fence 4, and the folding table legs 5 are in a stored state; when the folding table legs 5 are rotated to a vertical direction, the folding table legs 5 are in a supporting state.

[0016] As described above, the utility model relates to a synchronous sliding mechanism and a folding table, which have the following beneficial effects: when the synchronous sliding mechanism of the utility model is in use, the cable rotates around the two guide members, the movement directions of the two sections of the cable are opposite, and the two sliding blocks are respectively fixed to the two sections of the cable, and when one of the sliding blocks is pushed to slide toward the other sliding block, the other sliding block slides in the opposite direction driven by the cable, and at this time, the two sliding blocks slide toward each other synchronously; when one of the sliding blocks is pushed to slide in the direction away from the other sliding block, the other sliding block also slides in the opposite direction synchronously driven by the cable; the synchronous sliding mechanism of the utility model can conveniently realize the synchronous movement of the two sliding blocks toward or in the opposite direction, and because the cable is directly sleeved on the two guide members, the cable rotates directly around the guide members more smoothly and is not easy to get stuck; at the same time, the simpler synchronous pulling structure also greatly reduces the production cost;

[0017] The folding table of the utility model adopts the above-mentioned synchronous sliding mechanism. When in use, one of the side table panels is pushed to slide toward the outside, and the side table panel on the other side also slides synchronously in the opposite direction toward the outside under the drive of the sliding block. When the sliding block runs to the end of the guide rail, the middle table panel is arranged and assembled with the two side table panels to form a complete desktop, and the folding table is in the unfolded state at this time; when the middle table panel is folded, one of the side table panels is pushed to slide toward the inside, and the side table panel on the other side also slides synchronously until the two side table panels are aligned, and the folding table is in the folded state at this time; the folding table of the utility model can conveniently realize the synchronous movement of the two side table panels towards or in the opposite direction through the above-mentioned synchronous sliding mechanism, thereby realizing the fast and convenient switching of the folding table between the folded state and the unfolded state, and at the same time, because the rotation of the cable of the above-mentioned synchronous sliding mechanism is smoother, the switching of the folding table between the folded state and the unfolded state is also smoother; and because the above-mentioned synchronous sliding mechanism with a simpler structure is adopted, the cost is reduced.

[0018] In summary, the utility model involves a synchronous sliding mechanism and a folding table, which achieve smoother synchronous sliding and reduce costs through a cable that can directly rotate around a guide member and two sliding blocks connected to the cable, and solves the problems of unstable table top, stuck pulling structure and high cost caused by the synchronous pulling of the folding table in the prior art through a wire rope guide structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A structural schematic diagram of a synchronous sliding mechanism and a folding table in an embodiment of the present application when the folding table is in a folded state is shown.

[0020] Figure 2 A structural schematic diagram of a synchronous sliding mechanism and a folding table in an embodiment of the present application when the folding table is in an unfolded state is shown.

[0021] Figure 3 A structural schematic diagram of a synchronous sliding mechanism and the back of a folding table in one embodiment of the present application is shown.

[0022] Figure 4 A structural schematic diagram of a longitudinal section of a folding table in an embodiment of a synchronous sliding mechanism and a folding table of the present application is shown.

[0023] Figure 5 A structural schematic diagram of a synchronous sliding mechanism and a fixed-end sliding block in an embodiment of a folding table of the present application is shown.

[0024] Figure 6 A schematic diagram of the structure of a non-fixed end sliding block in an embodiment of a synchronous sliding mechanism and a folding table of the present application is shown.

[0025] Figure 7 A structural schematic diagram of a synchronous sliding mechanism and a folding table in another embodiment of the present application when the folding table is in an unfolded state is shown.

[0026] Figure 8 A schematic diagram showing the structure of another embodiment of a synchronous sliding mechanism and a folding table of the present application when the folding table is in an unfolded state from another angle

[0027] Fig. 9 A structural schematic diagram showing an enlarged view of a folding table leg in a synchronous sliding mechanism and an embodiment of a folding table of the present application.

[0028] Fig.10 A structural schematic diagram showing an enlarged view of a folding table leg from another perspective in a synchronous sliding mechanism and an embodiment of a folding table of the present application.

[0029] Component number description

[0030] 1 Side table

[0031] 11 Sliders

[0032] 12 Guide Rail

[0033] 2 Cable assembly

[0034] 21 Guide

[0035] 22 Bearing Pulley

[0036] 23 Fixed column

[0037] 25 Cable

[0038] 3 Middle table top

[0039] 4 Support fence

[0040] 5 Folding table legs

[0041] 51 Fixing bolt

[0042] 52 Slide slot DETAILED DESCRIPTION

[0043] The following is a description of the implementation of the present invention by means of specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0044] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions that can be implemented in this utility model, so they have no technical substantive significance. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects that can be produced by the utility model and the purposes that can be achieved, should still fall within the scope of the technical content disclosed by the utility model. The following detailed description should not be considered restrictive, and the scope of the embodiments of this application is limited only by the claims of the published patents. The terms used here are only for describing specific embodiments and are not intended to limit this application. Spatial related terms, such as "upper", "lower", "left", "right", "below", "below", "lower", "above", "upper", etc., can be used in the text to facilitate the description of the relationship between an element or feature shown in the figure and another element or feature.

[0045] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix", "hold" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0046] Furthermore, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless there is an indication to the contrary in the context. It should be further understood that the terms "comprise", "include" indicate the presence of the described features, operations, elements, components, items, kinds, and / or groups, but do not exclude the presence, occurrence or addition of one or more other features, operations, elements, components, items, kinds, and / or groups. The terms "or" and "and / or" used herein are interpreted as inclusive, or mean any one or any combination. Therefore, "A, B or C" or "A, B and / or C" means "any of the following: A; B; C; A and B; A and C; B and C; A, B and C". Exceptions to this definition will only occur when the combination of elements, functions or operations is inherently mutually exclusive in some way.

[0047] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the technical solution in the embodiments of the present invention is further described in detail through the following embodiments and in combination with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the invention.

[0048] The embodiments of the present application provide a synchronous sliding mechanism and a folding table including the synchronous sliding mechanism. Figure 1 A structural schematic diagram of a folding table in an embodiment of the present application is shown in an unfolded state. Figure 2 A structural schematic diagram of a folding table in a folded state in one embodiment of the present application is shown. Figure 3 A connection diagram of the sliding block 11 connected to the back of the folding table is shown.

[0049] like Figures 4 to 6 As shown, the synchronous sliding mechanism in one embodiment of the present application includes: a guide rail 12 and two sliding blocks 11 slidably arranged on the guide rail 12; a cable 25 assembly 2, the cable 25 assembly 2 includes a cable 25 and two guide members 21 respectively arranged at both ends of the guide rail 12, the cable 25 is connected end to end and sleeved on the two guide members 21, the cable 25 is defined as two sections symmetrical about the connection line of the two guide members 21, the cable 25 is fixed end to end on the same sliding block 11 and is located on the same side of the connection line of the two guide members 21 On the other side, when the cable 25 rotates around the two guide members 21, the movement directions of the two sections of the cable 25 are opposite, and the two sliding blocks 11 are respectively fixed to the two sections of the cable 25. When one of the sliding blocks 11 is pushed to slide toward the other sliding block 11, the other sliding block 11 slides in the opposite direction driven by the cable 25. At this time, the two sliding blocks 11 slide toward each other synchronously; when one of the sliding blocks 11 is pushed to slide in the direction away from the other sliding block 11, the other sliding block 11 also slides in the opposite direction synchronously driven by the cable 25.

[0050] When the synchronous sliding mechanism of the present invention is in use, the cable 25 rotates around the two guide members 21, and the movement directions of the two sections of the cable 25 are opposite. The two sliding blocks 11 are respectively fixed to the two sections of the cable 25. When one of the sliding blocks 11 is pushed to slide toward the other sliding block 11, the other sliding block 11 slides in the opposite direction driven by the cable 25, and at this time, the two sliding blocks 11 slide toward each other synchronously; when one of the sliding blocks 11 is pushed to slide in the direction away from the other sliding block 11, the other sliding block 11 also slides synchronously in the opposite direction in the diverging direction driven by the cable 25; the synchronous sliding mechanism of the present invention can easily realize the synchronous movement of the two sliding blocks 11 toward or in the opposite direction, and because the cable 25 is directly sleeved on the two guide members 21, the cable 25 directly rotates around the guide members 21 more smoothly and is not easy to get stuck. It is best to supplement how this solution realizes smoother synchronous movement; at the same time, the simpler synchronous pulling structure also greatly reduces the production and manufacturing cost.

[0051] like Figure 3 As shown, the sliding block 11 disposed on the guide rail 12 is L-shaped, one side of the sliding block 11 is connected to the back of the side table 1, and the other side is fixedly connected to the bearing pulley 22, and the bearing pulley 22 is embedded in the inner side of the guide rail 12. Driven by the sliding block 11, the side table 1 slides along the guide rail 12. The material used for the guide rail 12 includes but is not limited to aluminum guide rail 12.

[0052] Furthermore, the two sliding blocks 11 are fixedly connected to a plurality of bearing pulleys 22 respectively above and below the line connecting the two guide members 21, and the cable 25 is divided into two layers, the upper and lower bearing pulleys 22 are engaged with the inner upper wall and the inner lower wall of the guide rail 12, so that the two sliding blocks 11 slide on the guide rail 12. Among them, the bearing pulley 22 is a chamfered roller, and the chamfered roller is matched with the shape of the track to achieve rolling. Since the guide rail 12 and the roller have a good match, the desktop will not shake greatly during operation, ensuring the stability and smooth operation of the synchronous sliding mechanism.

[0053] In one embodiment of the present application, the two sliding blocks 11 are symmetrical about the center of the guide rail 12. Rope grooves are respectively provided at the ends of the two guide members 21 for accommodating the cables 25. The symmetry about the center of the guide rail 12 allows the synchronous sliding mechanism to maintain balance and stability, so as to ensure that the cables 25 are subjected to uniform force during movement. At the same time, the rope grooves can effectively fix and guide the cables 25, ensure that they move along the correct path, and avoid unnecessary friction or resistance during movement. The setting of the rope grooves can also make the contact between the cables 25 and the guide members 21 closer, thereby improving the transmission force and movement efficiency.

[0054] In one embodiment of the present application, the two sliding blocks 11 are provided with a plurality of fixing posts 23 for fixing with the cables 25. The head and tail ends of the cables 25 are fixed by the fixing posts 23 on the same sliding block 11. When the upper side table board 1 fixed by the sliding block 11 moves to both sides, the cables 25 rotate, and at the same time, due to the length limitation of the cables 25, the middle table board 3 fixed below is exposed, and the folding table top is in an unfolded state.

[0055] like Figure 5 The schematic diagram of the structure of the sliding block 11 corresponding to the fixed side of the cable 25 is shown, wherein the sliding block is L-shaped. Two through holes are provided below the side of the sliding block 11 connected to the guide rail 12, which are respectively connected to the two bearing rollers provided at the lower inner side of the guide rail 12, and two long holes are provided above it for fixing the two bearing rollers provided at the upper inner side of the guide rail 12. At the same time, the long holes can also be used to adjust the height of the bearing rollers so that they fit tightly with the inner side of the guide rail 12. Two cable 25 fixing columns 23 are provided below the inner surface of the sliding block 11, wherein the outer surface of the end of the fixing column 23 is provided with a threaded structure, and the end of the cable 25 is sleeved on the fixing column 23 through a U-shaped buckle, and is locked with the threaded structure through a nut to further fix the end of the cable 25 to prevent it from falling off.

[0056] Further, Figure 6 The schematic diagram of the structure of the sliding block 11 corresponding to the non-cable 25 fixed side is shown. Two long holes are arranged above the side of the sliding block 11 connected to the guide rail 12, which are respectively connected to the two bearing rollers arranged on the upper inner side of the guide rail 12. At the same time, the long holes can also be used to adjust the height of the bearing rollers so that they fit tightly with the inner side of the guide rail 12. Two long holes are arranged below it for fixing the two bearing rollers arranged on the lower inner side of the guide rail 12. Two cable 25 fixing columns 23 are arranged above the inner surface of the sliding block 11. The top of the fixing column 23 has a threaded structure. The end of the cable 25 is sleeved on the fixing column 23 through a U-shaped buckle, and then locked with a nut and the threaded structure to ensure that the end of the cable 25 is firmly fixed to prevent loosening.

[0057] In one embodiment of the present application, a folding table in the utility model includes: a synchronous sliding mechanism as described in any of the above items; a supporting fence 4, wherein the synchronous sliding mechanism is arranged on the supporting fence 4; a table board assembly, wherein the table board assembly includes a middle table board 3 and side table boards 1 arranged on both sides of the middle table board 3, wherein the side table boards 1 are slidably arranged on the top of the supporting fence 4 and are respectively connected to the sliding blocks 11; when one of the side table boards 1 is pushed to slide outward, the side table board 1 on the other side also synchronously slides in the opposite direction outward under the drive of the sliding block 11, and when the sliding block 11 runs to the end of the guide rail 12, the middle table board 3 is arranged and assembled with the two side table boards 1 to form a complete table top, and the folding table is in an unfolded state at this time; when the middle table board 3 is folded, one of the side table boards 1 is pushed to slide inward, and the side table board 1 on the other side also slides synchronously until the two side table boards 1 are aligned, and the folding table is in a folded state at this time.

[0058] When the folding table of the present invention adopts the above-mentioned synchronous sliding mechanism, when in use, one of the side table panels 1 is pushed to slide outward, and the side table panel 1 on the other side also slides synchronously in the opposite direction to the outside under the drive of the sliding block 11. When the sliding block 11 runs to the end of the guide rail 12, the middle table panel 3 is arranged and assembled with the two side table panels 1 to form a complete desktop. At this time, the folding table is in the unfolded state; the middle table panel 3 is folded, and one of the side table panels 1 is pushed to slide inward, and the side table panel 1 on the other side also slides synchronously until the two side table panels 1 are aligned. At this time, the folding table is in the folded state; the folding table of the present invention can conveniently realize the synchronous movement of the two side table panels 1 towards or in the opposite direction through the above-mentioned synchronous sliding mechanism, thereby realizing the fast and convenient switching of the folding table between the folded state and the unfolded state. At the same time, since the rotation of the cable of the synchronous sliding mechanism is smoother, the switching of the folding table between the folded state and the unfolded state is also smoother; and the cost is reduced due to the adoption of the above-mentioned synchronous sliding mechanism with a simpler structure.

[0059] Figures 7 and 8 A folding table in an embodiment of the present application is shown. A support fence 4 is provided at the bottom of the folding table to provide support for the table top assembly. A support frame is provided on the support fence 4. When the folding table is in a folded state, the middle table top 3 is placed on the support fence 4 on the support frame.

[0060] In one embodiment of the present application, the center table board 3 is hinged on the support frame, and the center table board 3 can be folded to save space. When the folding table is switched to a folded state, the center table board 3 is rotated along the support frame so that the center table board is folded and placed on the support frame.

[0061] In one embodiment of the present application, the folding table further includes: four folding legs 5 at the bottom of the folding table, and the folding legs 5 are rotatably arranged on the supporting fence 4; when the folding legs 5 are rotated to a horizontal direction, they are stored inside the supporting fence 4, and at this time, the folding legs 5 are in a stored state; when the folding legs 5 are rotated to a vertical direction, the folding legs 5 are in a supporting state.

[0062] like Figures 9 and 10 An enlarged view of the folding table leg 5 is shown. The folding table leg 5 is connected to the supporting fence 4 by a fixing bolt 51, and the folding table leg 5 is stored and supported by a sliding groove 52. The sliding groove 52 can not only control the range of motion of the folding table leg 5, but also limit the angle of the folding table leg 5, thereby ensuring the stability and safety of the folding table when in use and storage.

[0063] In summary, the utility model relates to a synchronous sliding mechanism and a folding table, which realizes smoother synchronous sliding and reduces costs through a cable that can directly rotate around a guide member and two sliding blocks connected to the cable, and solves the problems of unstable tabletop, stuck pull-out structure and high cost caused by synchronous pull-out of the folding table in the prior art through a wire rope guide structure. This design not only improves the load-bearing capacity of the tabletop, but also greatly improves the smoothness and comfort of the extension and retraction of the tabletop, allowing users to enjoy a smoother and more comfortable operating experience during use.

[0064] After using the utility model, the problems of the existing sliding mechanism, such as high precision requirements on the steel wire rope and the guide rail, poor matching, large gap and high cost, are solved. The utility model effectively overcomes various shortcomings of the existing technology and has high industrial utilization value.

[0065] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed by the present invention shall still be covered by the claims of the present invention.

Claims

1. A synchronous sliding mechanism, characterized in that: include: A guide rail (12) and two sliding blocks (11) slidably arranged on the guide rail (12); A cable assembly (2), the cable assembly (2) comprising a cable (25) and two guide members (21) arranged at both ends of the guide rail (12), the cable (25) being sleeved on the two guide members (21), the cable (25) being defined as two upper and lower sections about a line connecting the two guide members (21), the cable (25) being fixed at both ends on the same sliding block (11) and being located on the same side of a line connecting the two guide members (21), and when the cable (25) rotates around the two guide members (21), the two sections of the cable (25) are The movement directions of the cable (25) are opposite, and the two sliding blocks (11) are respectively fixed to the two sections of the cable (25). When one of the sliding blocks (11) is pushed to slide toward the other sliding block (11), the other sliding block (11) slides in the opposite direction under the drive of the cable (25). At this time, the two sliding blocks (11) slide towards each other synchronously; when one of the sliding blocks (11) is pushed to slide in a direction away from the other sliding block (11), the other sliding block (11) also slides in the opposite direction synchronously under the drive of the cable (25).

2. The synchronous sliding mechanism according to claim 1, characterized in that: The two sliding blocks (11) are provided with a plurality of fixing columns (23) for fixing with the cables (25).

3. The synchronous sliding mechanism according to claim 2, characterized in that: The leading and trailing ends of the cable (25) are fixed via fixing columns (23) on the same sliding block (11).

4. The synchronous sliding mechanism according to claim 1, characterized in that: The two sliding blocks (11) are symmetrical about the center of the guide rail (12).

5. The synchronous sliding mechanism according to claim 1, characterized in that: The two sliding blocks (11) are fixedly connected to a plurality of bearing pulleys (22) above and below the line connecting the two guide members (21), respectively. The upper and lower bearing pulleys (22) are engaged with the inner upper wall and the inner lower wall of the guide rail (12), so that the two sliding blocks (11) slide on the guide rail (12).

6. The synchronous sliding mechanism according to claim 1, characterized in that: The ends of the two guide members (21) are respectively provided with rope grooves for accommodating the pull ropes (25).

7. A folding table, characterized in that: include: The synchronous sliding mechanism according to any one of claims 1 to 6; A supporting fence (4), wherein the synchronous sliding mechanism is arranged on the supporting fence (4); A table top assembly, the table top assembly comprising a middle table top (3) and side table tops (1) arranged on both sides of the middle table top (3), the side table tops (1) being slidably arranged on the top of the supporting fence (4) and respectively connected to the sliding blocks (11); One of the side table panels (1) is pushed to slide outward, and the side table panel (1) on the other side is also driven by the sliding block (11) to slide synchronously in the opposite direction outward; when the sliding block (11) runs to the end of the guide rail (12), the middle table panel (3) is arranged and combined with the two side table panels (1) to form a complete tabletop, and the folding table is in an unfolded state; the middle table panel (3) is folded, and one of the side table panels (1) is pushed to slide inward, and the side table panel (1) on the other side also slides synchronously until the two side table panels (1) are aligned, and the folding table is in a folded state.

8. The folding table according to claim 7, characterized in that: A support frame is provided on the support fence (4), and when the folding table is in a folded state, the middle table board (3) is placed on the support frame.

9. The folding table according to claim 8, characterized in that: The middle table board (3) is hinged on the support frame, and the middle table board (3) can be folded to save space. When the folding table is switched to a folded state, the middle table board (3) is rotated along the support frame so that the middle table board is folded and placed on the support frame.

10. The folding table according to claim 7, characterized in that: The folding table also includes: The bottom of the folding table is provided with four folding table legs (5), and the folding table legs (5) are rotatably arranged on the supporting fence (4); When the folding table leg (5) is rotated to a horizontal direction, it is stored inside the supporting fence (4), and the folding table leg (5) is in a stored state. When the folding table leg (5) is rotated to a vertical direction, the folding table leg (5) is in a supporting state.

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