Folding table frame

Abstract

A folding table frame comprises two parallel table top rod sets and four foot pipes connected in the table top rod sets to support the table top rod sets, each foot pipe set comprises an upper foot pipe, and the lower end of each upper foot pipe is movably connected with a lower foot pipe capable of being folded or stretched relative to the corresponding upper foot pipe. The upper end of each upper leg pipe is rotatably pivoted to the two ends of each table top rod group through a first rotating piece, and a locking piece which can position and support the lower leg pipe and is arranged at the lower end of the upper leg pipe is further arranged between the upper leg pipe and the lower leg pipe; the two crossed supporting rod sets are connected to the two ends of the two table top rod sets respectively, each crossed supporting rod set comprises at least one pair of X-shaped crossed supporting rods, the upper ends of the supporting rods located at the two side ends in the crossed supporting rod sets are pivoted to the ends of the table top rod sets respectively, and the lower ends of the supporting rods located at the two side ends in the crossed supporting rod sets are pivoted to the upper foot pipes respectively. The folding chair is simple in structure, convenient to fold and unfold and small in folding size.

Description

Technical Field

[0001] The utility model relates to the technical field of outdoor products, and more particularly to a folding table frame. Background Art

[0002] As people's living standards continue to improve, outdoor sports are becoming more and more popular. Folding tables have become one of the indispensable items for travel due to their practicality, ease of storage, small footprint, and portability. When engaging in outdoor activities, the smaller the folded volume of the folding table, the simpler the structure, and the easier the unfolding and folding method, the more convenient it is to carry and use. An egg roll table is a type of conventional folding table, which generally includes a table frame and a table top. When it is needed, the table frame is first supported and opened, and then the table top is unfolded and laid on the table frame to form a complete table shape. However, the existing egg roll table frame has the following disadvantages:

[0003] 1. Each table leg is usually composed of a table leg rod, which cannot be extended or folded, resulting in a larger folded volume;

[0004] 2. The length of the tabletop rod supporting the tabletop is fixed. When the table is large and the tabletop is long, the tabletop rod of the table frame is long and does not have the ability to fold, resulting in a larger volume when folded;

[0005] 3. In order to ensure the stability of the support, it is necessary to add multiple supporting rods in the table frame for auxiliary support (for example, a supporting or positioning rod is connected between the two horizontal bars supporting the table top), which makes the table frame structure complicated, not flexible and smooth when unfolding and folding, and not convenient enough. It may also lead to an increase in the folded volume.

[0006] In summary, the existing table frame cannot have the characteristics of small folded volume, simple structure, and simple unfolding and folding methods. Utility Model Content

[0007] The purpose of the utility model is to provide a folding table frame which has a small folding volume, a simple structure and is convenient to use.

[0008] In order to achieve the above purpose, the solution of the utility model is:

[0009] A folding table frame includes two parallel sets of table top rods and four sets of leg tubes connected to the table top rods to support the table top rods.

[0010] Each set of leg tubes includes an upper leg tube, the lower end of the upper leg tube is movably connected to a lower leg tube that can be folded or extended relative to the upper leg tube, the upper end of each upper leg tube is rotatably pivoted to the two ends of each table top rod group through a first rotating member, and a locking member at the lower end of the upper leg tube is provided between the upper leg tube and the lower leg tube to position and support the lower leg tube;

[0011] It also includes two groups of cross support rods, which are respectively connected to the two ends of the two table top rod groups. Each group of cross support rods includes at least one pair of X-shaped cross support rods. The upper ends of the support rods located at the two side ends of the cross support rod group are respectively pivotally connected to the end of the table top rod group, and the lower ends of the support rods located at the two side ends of the cross support rod group are respectively pivotally connected to the upper leg tubes.

[0012] Furthermore, each tabletop rod group includes a crossbar that is provided on or connected to the inner side of the side frame and can support the tabletop. The side frame has an outer blocking surface, and the crossbar is on the inner side of the side frame and is lower than the outer blocking surface.

[0013] Furthermore, each tabletop rod set includes a side frame connected to the inner side of a crossbar.

[0014] Furthermore, each table top rod group includes two side frames and two cross bars, each side frame is connected to a cross bar on the inner side, the inner ends of the two cross bars in the same table top rod group are pivotally connected to a second rotating member, and the two cross bars are rotated and folded downward through the second rotating connecting member; the inner ends of the two side frames in the same table top rod group are pressed against each other, and the positions of the inner ends of the two side frames correspond to the outer sides of the relative rotation connection of the inner ends of the two cross bars, and the two side frames and the two cross bars are folded downward synchronously.

[0015] Furthermore, the second rotating member includes a strip-shaped bottom support piece, and two side pieces with a length greater than the bottom support piece extend upward on both sides of the bottom support piece. The inner ends of the two cross bars are pivotally connected between the two side pieces, and the inner ends of the cross bars are supported on the bottom support piece when the two cross bars are unfolded, and the inner ends of the two cross bars are vertically retracted against the two ends of the bottom support piece when folded.

[0016] Furthermore, each desktop rod group is also provided with a limiting member, which is arranged at the bottom of the second rotating member. A slot is formed at the abutment point between the inner ends of the two side frames in the same desktop rod group. The limiting member is an elastic pressure button, and one end of the elastic pressure button is provided with a card block that can be inserted into the slot. The card block inserted in the slot supports and limits the middle part of the two side frames. After the other end of the card block relative to the card block in the elastic pressure button is pressed, it bounces up and disengages from the slot.

[0017] Furthermore, the first rotating member is rotatably pivoted at both ends of the cross bar, and each leg tube rotates around the first rotating member until it is close to the cross bar when folded; the upper ends of the support rods located at the two side ends of the cross support rod group are respectively pivoted to the two outer ends of the side frame through an L-shaped angle bracket, and the L-shaped angle brackets are respectively pivoted to the outer side of the first rotating member.

[0018] Furthermore, the first rotating member is sleeved on the upper end of the upper leg tube. A pivot groove is provided on the upper end of the first rotating member. The angle between the pivot groove and the upper leg tube is greater than 90 degrees. The outer end of the cross bar is pivoted in the pivot groove.

[0019] Furthermore, in each group of leg tubes, the lower leg tube is sleeved on the inner side of the upper leg tube for relative expansion and contraction, and is positioned by a locking piece; the locking piece is arranged at the lower end of the upper leg tube, and a connecting piece is provided on the locking piece, and the lower ends of the support rods at both side ends in the cross support rod group are respectively pivotally connected to the connecting piece.

[0020] Furthermore, the locking member includes a buckle seat arranged at the lower end of the upper leg tube, and a rotatable buckle plate is hinged on the buckle seat. A row of first latch teeth are provided on the outer wall of the lower leg tube along the length direction, and a second latch tooth engaged with the first latch tooth is provided on the inner side of the buckle plate; when the buckle plate is rotated to open, the lower leg tube slides relative to the upper leg tube, and when the buckle plate is rotated to close, the second latch tooth engages with the first latch tooth to lock the lower leg tube.

[0021] After adopting the above scheme, the utility model is only provided with leg tubes, two table top rod groups (cross bar, side frame), and cross support rod group. The structure is simple, and the connection relationship between the various components is simple, and there will be no mutual interference when unfolding and folding; the leg tubes can be extended or folded to change the length, and the height increases when the support is unfolded and can be locked at a certain height, which not only saves the folded volume but also has flexibility in use; when folding the table frame, it is only necessary to move the two sets of table top rod groups close to each other, and then rotate the leg tubes to fold them to one side of the table top rod group. The process is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the unfolded state of the first embodiment of the utility model;

[0023] Figure 2 This is a schematic diagram of the first embodiment of the present invention in which the lower leg tube is retracted;

[0024] Figure 3 This is a schematic diagram of the folding process of the first embodiment of the utility model;

[0025] Figure 4 This is a schematic diagram of the fully folded state of the first embodiment of the utility model;

[0026] Figure 5 This is a schematic diagram of the second embodiment of the present invention in an expanded state;

[0027] Figure 6 This is a schematic diagram of the second embodiment of the present invention in a state where the lower leg tube is retracted;

[0028] Figure 7 This is a schematic diagram of the folding process of the second embodiment of the utility model (1);

[0029] Figure 8 This is a schematic diagram of the folding process of the second embodiment of the utility model (2);

[0030] Figure 9 This is a schematic diagram of the fully folded state of the second embodiment of the present utility model;

[0031] Figure 10 This is a schematic diagram of the third embodiment of the present invention in the unfolded state (with the lower leg folded);

[0032] Figure 11 、 Figure 12 This is a schematic diagram of the folding process of the third embodiment of the present utility model;

[0033] Figure 13 This is a schematic diagram of the fully folded state of the third embodiment of the present invention.

[0034] Explanation of the accompanying reference numerals: 1 leg; 11 lower leg; 111 first latch; 12 upper leg; 13 locking member; 131 connecting piece; 132 buckle seat; 133 buckle; 14 first rotating member; 141 pivot groove; 15 table leg seat; 2 table top rod group; 21 cross bar; 22 side frame; 221 outer stop surface; 222 side stop surface; 23 second rotating member; 24 latching slot; 241 positioning notch; 3 cross support rod group; 31 support rod; 32 L-shaped angle bracket; 4 limit member; 41 pressing end; 42 clamping block. DETAILED DESCRIPTION

[0035] In order to further explain the technical solution of the present invention, the present invention will be described in detail below through specific embodiments.

[0036] The utility model discloses a folding table frame, referring to Figures 1-4 , which is the first embodiment of the present invention, the table frame includes two parallel sets of tabletop rods 2 and four sets of leg tubes 1 connected to the tabletop rods to support the tabletop rods. Each tabletop rod set 2 includes a crossbar 21 provided on or connected to the inner side of the side frame 22 for supporting the tabletop. In this embodiment, the crossbar 21 is connected to the inner side of the side frame 22. The side frame 22 has an outer stop surface 221. The crossbar 21 is located on the inner side of the side frame 22 and is lower than the outer stop surface 221. The outer ends of the side frame 22 may also be provided with side stops 222 extending toward the inner end of the tabletop. The outer ends of the crossbar 21 do not exceed the side stops 222 at both ends of the side frame 22, and the outer ends of the crossbar 21 abut against the inner side of the side stops 222 of the side frame 22. When the folding table frame is unfolded and the table top is placed on the folding table frame, the table top can be placed between the side frames 22 of the two table top rod groups 2, and the two ends of the table top can be supported on the upper end surface of the cross bar 21. The top surface of the table top is flush with the top of the outer blocking surface 221 of the side frame 22, and the four sides of the table top are respectively restricted to the inner sides of the two outer blocking surfaces 221 and the inner sides of each side blocking surface 222.

[0037] Each set of leg tubes 1 is a support rod with variable length, comprising an upper leg tube 12. The lower end of the upper leg tube 12 is movably connected to a lower leg tube 11 that can be folded or extended relative to the upper leg tube. Furthermore, a locking member 13 is provided between the upper leg tube 12 and the lower leg tube 11, which can position and support the lower leg tube 11. When the lower leg tube 11 extends downward or folds relative to the upper leg tube 12, the lower leg tube 11 can be positioned and supported. In this embodiment, in each set of leg tubes 2, the lower leg tube 11 is sleeved inside the upper leg tube 12, allowing it to extend and retract relative to the upper leg tube 12, and is further positioned by the locking member 13, forming a retractable and height-adjustable leg tube. The lower leg tube 11 slides relative to the upper leg tube 12 within the upper leg tube 12 and can be locked relative to the upper leg tube 12 by the locking member 13. The locking member 13 may be disposed at the lower end of the upper leg tube 12 . The locking member 13 may be provided with a connecting piece 131 . The lower ends of the support rods 31 at both ends of the cross support rod group may be pivotally connected to the connecting piece 131 .

[0038] In this embodiment, the locking member 13 includes a buckle seat 132 disposed at the lower end of the upper leg 12. A rotatable buckle plate 133 is hingedly attached to the buckle seat 132. A connecting plate 131 is positioned on the buckle seat 132 and on the other side of the buckle plate 133. Furthermore, a row of first latching teeth 111 are provided along the outer wall of the lower leg 11 along its length. A second latching tooth (not shown) is provided on the inner side of the buckle plate 133 to engage with the first latching teeth 111. When the latching tooth 133 is rotated to open, the lower leg 11 slides relative to the upper leg 12. When the buckle plate 133 is rotated to close, the second latching tooth engages with the first latching tooth 111 to lock the lower leg 11. This allows the user to freely adjust the height of each leg 1 when using the folding table frame. Especially when using the folding table frame on a slope, the height of the leg 1 can be adjusted to level the tabletop. Preferably, a table leg seat 15 is also provided at the lower end of the lower leg 11, which cannot be retracted into the upper leg 12. Of course, the lower leg tube 11 and the upper leg tube 11 can be ordinary telescopic sleeve rod components, and the locking piece can also be a way of adopting elastic convex particles or elastic positioning pins. The lower leg tube 11 and the upper leg tube 11 can also be hinged together, and the locking piece can be a fixing piece that can be positioned.

[0039] At the same time, the upper ends of each upper leg tube 12 are rotatably pivoted to the ends of each tabletop bar assembly via a first pivoting member 14. In this embodiment, the first pivoting member 14 is rotatably pivoted to the ends of the crossbar, and each leg tube rotates about the first pivoting member 14 until it is in close contact with the crossbar 21 when folded. The first pivoting member 14 is sleeved onto the upper ends of the upper leg tube 12 and is provided with a pivot slot 141 at its upper end. The outer end of the crossbar 21 is pivoted within the pivot slot 141, and the angle between the pivot slot 141 and the upper leg tube 12 can be greater than 90 degrees.

[0040] To ensure a flexible connection between the two tabletop rod groups 2 and provide stable support when unfolded, two cross-bracing rod groups are also included. The two cross-bracing rod groups are respectively connected to the two ends of the two tabletop rod groups. Each cross-bracing rod group 3 includes at least one pair of cross-bracing rods 31 arranged in an X-shape. The upper ends of the cross-bracing rods 31 located at the two side ends of the cross-bracing rod group 3 are respectively pivotally connected to the ends of the tabletop rod group, and the lower ends of the cross-bracing rods 31 located at the two side ends of the cross-bracing rod group 3 are respectively pivotally connected to the upper leg tube 12. The upper ends of the cross-bracing rods 31 can be respectively pivotally connected to the two outer end side blocking surfaces 222 of the side frame 22, and the lower ends of the cross-bracing rods 31 can be respectively pivotally connected to the upper leg tube 12. When the folding table frame is unfolded, the cross-bracing rod group 3 plays a role in providing stable support. Specifically, in this embodiment, each cross-bracing rod set 3 includes a pair of X-shaped cross-bracing rods 31. The upper ends of the two X-shaped cross-bracing rods 31 are pivotally connected to the side blocking surfaces 222 at the outer ends of each side frame 22 via an L-shaped angle bracket 32. The lower ends of the two X-shaped cross-bracing rods 31 can be pivotally connected to the connecting piece 131 to achieve pivotal connection to the lower end of the upper leg tube 12 on the same side. When the desktop size is large and the distance between the two desktop rod sets 2 is far, the cross-bracing rod set 3 can use multiple pairs of X-shaped cross-bracing rods 31 to be horizontally hinged to ensure that the length is sufficient to connect between the two desktop rod sets 2.

[0041] When the folding table frame is folded, the Figures 1 to 4 As shown, the steps are as follows: first, rotate and open the buckle 133, unlock the locking member 13, slide the lower leg tube 11 upward into the upper leg tube 12, leaving only the table leg seat 15 against the lower end of the upper leg tube 12, and then rotate and close the buckle 133 to lock the lower leg tube 11 in this state; secondly, move the two table top rod groups 2 closer to each other, at this time, the crossing angle between the two X-shaped cross rods 31 in the cross rod group 3 becomes smaller; finally, when the two table top rod groups 2 can no longer move closer to each other, rotate the leg tube 1 upward so that each leg tube 1 rotates around the first rotating member 14 until it is close to the cross rod 21. At this point, the folding table frame of the first embodiment is completely folded.

[0042] When unfolding the folding table frame, the steps are opposite to the above-mentioned folding steps, specifically as follows: first, rotate each leg tube 1 downward so that the leg tube 1 is perpendicular to the table top rod group 2; then, pull the two table top rod groups 2 away from each other, and the crossing angle between the two X-shaped cross rods 31 in the cross rod group 3 becomes larger; when the distance between the two table top rod groups 2 can no longer be increased, the buckle 133 can be rotated to unlock the locking member 13, and the lower leg tube 11 can be slid downward to a suitable height, and then the buckle 133 can be rotated closed to lock the leg tube 1 at this height. At this point, the folding table frame of the first embodiment is fully unfolded.

[0043] See Figures 5 to 9, which is the second embodiment of the present invention, and the only difference from the first embodiment is that each tabletop bar group 2 includes two side frames 22 and two cross bars 21, each side frame 22 is connected to a cross bar 21 on the inner side, and each cross support bar group 3 includes two pairs of laterally hinged X-shaped cross support bars 31. The inner ends of the two cross bars 21 in the same tabletop bar group are pivotally connected to a second rotating member 23, and the inner ends of the two cross bars 21 can form abutments against each other, and the two cross bars 21 can be rotated downward and folded together by the second rotating connecting member 23. The second rotating member 23 can form a one-way pivot member with a U-shaped cross section, which can be a strip-shaped bottom support piece, and two side pieces with a length greater than the bottom support piece are extended upward on both sides of the bottom support piece. The inner ends of the two cross bars 21 are pivotally connected between the two side pieces, and the inner ends of the cross bars 21 are supported on the bottom support piece when the two cross bars 21 are unfolded, and the inner ends of the two cross bars are vertically retracted against the two ends of the bottom support piece when folded (can be combined with Figure 8 、 Figure 9 As shown). The inner ends of the two side frames 22 in the same tabletop rod group are pressed against each other, and the positions of the inner ends of the two side frames 22 correspond to the outer sides of the inner ends of the two cross bars 21, that is, the outer sides of the relative rotation connection of the inner ends of the two cross bars 21, and the two side frames 22 are folded downward synchronously with the two cross bars 21. When the folding table frame is folded, the outer ends of the two cross bars 21 and the two side frames 22 are folded downward to be perpendicular to the second rotating member 23. At this time, since both ends of the two side surfaces of the second rotating member 23 protrude from the bottom surface (the length of the side pieces is greater than the bottom support piece), the inner ends of the two cross bars 21 can be smoothly rotated outward from both ends of the second rotating member 23 and folded downward without interference; the inner ends of the two side frames 22 can be flush with the inner ends of the two cross bars 21, so when folded, the side frames 22 and the cross bars 21 always remain parallel and do not interfere with each other.

[0044] Folding and unfolding the folding table frame of the second embodiment requires one more step than the first embodiment:

[0045] When folding, fold the leg tube 1 until it is close to the crossbar 21 (see Figure 8 ), and then rotate the two cross bars 21 and the two side frames 22 downward to fold them into a half-folded state (see Figure 9 );

[0046] When unfolding, first unfold the two folded cross bars 21 and the two side frames 22 upward until the angles between the two cross bars 21 and the two side frames 22 are 180 degrees, and then rotate and unfold the leg tubes 1.

[0047] Combine Figures 10 to 13The third embodiment of the present invention is shown in FIG. 1 . The main difference between this embodiment and the second embodiment is that each tabletop bar assembly 2 is further provided with a stopper 4. The stopper 4 can be directly disposed at the bottom of the second rotating member 23. A slot 24 is formed where the inner ends of the two side frames 22 in the same tabletop bar assembly 2 abut against each other. The slot 24 can be a positioning notch 241 recessed at the bottom of the inner ends of the side frames 22. The two positioning notches 241 combine to form the slot 24 when the two side frames 22 abut against each other. The stopper 4 can be an elastic pressure button connected to the bottom surface of the second rotating member 23. The inner end of the elastic pressure button forms a pressing end 41, and the outer end of the elastic pressure button is provided with a block 42 that can be snapped into the slot 24. When the tabletop rod assembly 42 is unfolded, the block 42 can be inserted into the slot 24, thereby supporting and limiting the center of the two side frames 22. This can prevent the center of the tabletop from sagging and maintain stability. When the table frame is lifted in the middle, the center of the table frame will not fold up due to external forces. When the tabletop rod assembly 2 needs to be folded, the pressing end 41 of the elastic pressure button is pressed downward to cause the end where the block 42 is located to tilt up. After the pressing end 41 is pressed, the block 42 bounces up and disengages from the slot 24, thereby releasing the limit, allowing each tabletop rod assembly 2 to be smoothly folded in the middle.

[0048] In addition to the above embodiments, the folding table frame of the present invention can also increase the number of cross bars 21 and side frames 22 in the table top rod group 2 (the number of the two should be consistent) to increase the length of the table top according to the actual needs of the user; the width of the table top can also be increased by increasing the number of X-shaped cross rods 31 in the cross rod group 3 as mentioned above.

[0049] The above is only an embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A folding table frame comprising two parallel sets of tabletop rods and four sets of legs connected to the tabletop rods to support the tabletop rods, characterized in that: Each set of leg tubes includes an upper leg tube, the lower end of the upper leg tube is movably connected to a lower leg tube that can be folded or extended relative to the upper leg tube, the upper end of each upper leg tube is rotatably pivoted to the two ends of each table top rod group through a first rotating member, and a locking member at the lower end of the upper leg tube is provided between the upper leg tube and the lower leg tube to position and support the lower leg tube; It also includes two groups of cross support rods, which are respectively connected to the two ends of the two table top rod groups. Each group of cross support rods includes at least one pair of X-shaped cross support rods. The upper ends of the support rods located at the two side ends of the cross support rod group are respectively pivotally connected to the end of the table top rod group, and the lower ends of the support rods located at the two side ends of the cross support rod group are respectively pivotally connected to the upper leg tubes.

2. A folding table frame according to claim 1, characterized in that: Each tabletop rod group includes a crossbar which is provided on or connected to the inner side of the side frame and can support the tabletop. The side frame has an outer blocking surface. The crossbar is located on the inner side of the side frame and is lower than the outer blocking surface.

3. A folding table frame according to claim 1 or 2, characterized in that: Each tabletop rod set includes a side frame and a crossbar connected to the inner side.

4. A folding table frame according to claim 1 or 2, characterized in that: Each table top rod group includes two side frames and two cross bars, each side frame is connected to a cross bar on the inner side, the inner ends of the two cross bars in the same table top rod group are pivotally connected to a second rotating member, and the two cross bars are rotated and folded downward through the second rotating connecting member; the inner ends of the two side frames in the same table top rod group are pressed against each other, and the positions of the inner ends of the two side frames correspond to the outer sides of the relative rotating connection between the inner ends of the two cross bars, and the two side frames and the two cross bars are folded downward synchronously.

5. The folding table frame according to claim 4, characterized in that: The second rotating member includes a strip-shaped bottom support piece, with two side pieces longer than the bottom support piece extending upward on both sides of the bottom support piece. The inner ends of the two cross bars are pivotally connected between the two side pieces, and the inner ends of the cross bars are supported on the bottom support piece when the two cross bars are unfolded, and the inner ends of the two cross bars are vertically retracted against the two ends of the bottom support piece when folded.

6. The folding table frame according to claim 5, characterized in that: Each desktop rod group is also provided with a limiting member, which is arranged at the bottom of the second rotating member. A slot is formed at the abutment point between the inner ends of the two side frames in the same desktop rod group. The limiting member is an elastic pressure button, and one end of the elastic pressure button is provided with a card block that can be inserted into the slot. The card block inserted in the slot supports and limits the middle part of the two side frames. After the other end of the card block relative to the card block is pressed in the elastic pressure button, it bounces up and disengages from the slot.

7. The folding table frame according to claim 2, characterized in that: The first rotating member is rotatably pivoted to the two ends of the cross bar, and each leg tube rotates around the first rotating member until it is close to the cross bar when folded; the upper ends of the support rods located at the two side ends of the cross support rod group are respectively pivoted to the two outer ends of the side frame through an L-shaped angle bracket, and the L-shaped angle brackets are respectively pivoted to the outer side of the first rotating member.

8. The folding table frame according to claim 7, characterized in that: The first rotating member is sleeved on the upper end of the upper leg tube. The upper end of the first rotating member is provided with a pivot groove. The angle between the pivot groove and the upper leg tube is greater than 90 degrees. The outer end of the cross bar is pivoted in the pivot groove.

9. The folding table frame according to claim 1, characterized in that: In each group of leg tubes, the lower leg tube is sleeved on the inner side of the upper leg tube for relative expansion and contraction, and is positioned by a locking piece; the locking piece is arranged at the lower end of the upper leg tube, and a connecting piece is provided on the locking piece, and the lower ends of the support rods at both side ends in the cross support rod group are respectively pivotally connected to the connecting piece.

10. The folding table frame according to claim 9, characterized in that: The locking member includes a buckle seat arranged at the lower end of the upper leg tube, and a rotatable buckle plate is hinged on the buckle seat. A row of first latch teeth are provided on the outer wall of the lower leg tube along the length direction, and a second latch tooth engaged with the first latch tooth is provided on the inner side of the buckle plate; when the buckle plate is rotated to open, the lower leg tube slides relative to the upper leg tube, and when the buckle plate is rotated to close, the second latch tooth engages with the first latch tooth to lock the lower leg tube.

Images