Safety locking device, table leg device and table tennis table

Abstract

The utility model discloses a safety locking device, a table leg device and a table tennis table. The safety locking device comprises a mounting base, a first locking assembly, a second locking assembly and a supporting assembly. The mounting seat can be fixed under the table tennis table; the mounting seat is provided with a guide groove; a first locking assembly is arranged at a first position of the mounting seat, and a second locking assembly is arranged at a second position of the mounting seat; the supporting assembly comprises a supporting piece and a guide rod. The first end of the supporting piece is movably connected with the guide groove through a guide rod. The first locking assembly is used for limiting the guide rod at a first set position of the guide groove; the second locking assembly is used for limiting the guide rod at a second set position of the guide groove; the second end of the supporting piece can be connected with a table leg of the table leg device. The safety locking device can lock and support the table legs after the table legs are unfolded, can lock the positions of the table legs after the table legs are folded, and can improve the use safety of the table tennis table.

Description

Technical Field

[0001] The utility model belongs to the technical field of sports equipment, and particularly relates to a safety locking device, a table leg device and a table tennis table. Background Art

[0002] With the popularity of table tennis, the issue of sports safety has also become a focus of public attention. For ease of transportation and storage, existing table tennis tables are mostly foldable, allowing users to fold and retract the table body and legs to reduce floor space. However, existing foldable table tennis tables lack corresponding safety locking devices to support and lock the legs after they are unfolded. When using a foldable table tennis table, there is a risk of users bumping into the legs (laterally), causing the table to suddenly collapse, which can easily cause injury to the user. Furthermore, after the table tennis table is folded, the flat legs, lacking corresponding safety locking devices to lock their position, can suddenly unfold, which can easily cause injury to nearby people or damage surrounding objects. Currently, there is a lack of a safety locking device that can lock and support the legs when unfolded and lock them in position when folded, to improve the safety of table tennis tables. Currently, there is a lack of a table leg device with a safety locking device to improve the safety of table legs. At present, there is a lack of a table tennis table with a novel table leg device to meet the needs of people pursuing a table tennis table with high safety performance.

[0003] Therefore, a new technology is needed to solve the problem that the existing technology lacks a safety locking device; a new technology is needed to solve the problem that the existing technology lacks a table leg device with a safety locking device; a new technology is needed to solve the problem that the existing technology lacks a table tennis table with a new type of table leg device. Utility Model Content

[0004] In order to solve the above problems in the prior art, the utility model provides a safety locking device, which can lock the support after the table legs are opened and lock the position after the table legs are folded, thereby improving the safety of the table tennis table.

[0005] The utility model adopts the following technical solutions:

[0006] A safety locking device comprises a mounting base, a first locking assembly, a second locking assembly and a support assembly; the mounting base can be fixed under a table tennis table; the mounting base has a guide groove; the first locking assembly is provided at the first position of the mounting base, and the second locking assembly is provided at the second position of the mounting base; the support assembly comprises a support member and a guide rod; the first end of the support member is movably connected to the guide groove through the guide rod; the first locking assembly is used to limit the guide rod at a first set position of the guide groove; the second locking assembly is used to limit the guide rod at a second set position of the guide groove; the second end of the support member can be connected to the table leg of a table leg device (directly or indirectly).

[0007] Furthermore, the first locking assembly and the second locking assembly have the same structural composition; the first locking assembly or the second locking assembly includes a limit member, a spring member and a connecting member; the limit member is adjustably connected to the mounting seat through the spring member and the connecting member; the limit member is used to limit the guide rod at a set position.

[0008] Furthermore, the mounting seat has a side plate through hole, the limiting member has a wing plate through hole, the spring member has a middle hole, the connecting member passes through the side plate through hole, the wing plate through hole, and the middle hole to connect the mounting seat, the limiting member, and the spring member; and the spring member has a first connecting part and a second connecting part; the side plate of the mounting seat has a stop block; after the spring member is set, the first connecting part is connected to the stop block, the second connecting part is connected to the limiting member, and the second connecting part enables the limiting member to maintain a set initial state inclination angle, which is used to limit the guide rod.

[0009] Furthermore, the initial state tilt angle is an inner angle formed by the flat surface of the limiting member and the bottom plate surface of the mounting seat; the initial state tilt angle is at least 30°.

[0010] Furthermore, the first connecting portion is a connecting portion of a bending section.

[0011] Another object of the present invention is to provide a table leg device to improve the safety of table legs.

[0012] A table leg device, comprising a first table leg assembly, a second table leg assembly, a crossbeam, and the aforementioned safety locking device; the first table leg assembly and the second table leg assembly can be respectively arranged at predetermined positions under the table of a table tennis table; one end of the crossbeam is connected to the first table leg assembly, and the other end is connected to the second table leg assembly; the second end of the support member is connected to the crossbeam;

[0013] The first table leg assembly and the second table leg assembly have the same structural composition. The first table leg assembly or the second table leg assembly includes a first fixing member and a table leg; the first fixing member can be fixed at a set position under the table tennis table; the table leg is rotatably connected to the first fixing member.

[0014] Furthermore, the table leg device also includes a foldable diagonal brace assembly; the foldable diagonal brace assembly includes a second fixing member, a first diagonal brace, an auxiliary connecting assembly and a second diagonal brace; the second fixing member can be fixed at a set position under the table of the table tennis table, and the first end of the first diagonal brace is rotatably connected to the second fixing member; the second end of the first diagonal brace is connected to the first end of the second diagonal brace through the auxiliary connecting assembly; and the second end of the second diagonal brace is connected to the table leg.

[0015] Another object of the present invention is to provide a table tennis table to meet people's needs for a table tennis table with high safety performance.

[0016] A table tennis table comprises a table body and the table leg device; a plurality of the table leg devices are provided under the table body; a plurality of the mounting seats are fixed under the table body; if two of the mounting seats are arranged closely adjacent to each other, they are connected by a fastening assembly.

[0017] Furthermore, two table leg devices are provided under the platform body, the first table leg device is provided on the first side of the platform body, and the second table leg device is provided on the second side of the platform body; the two table leg devices are used to support the platform body in a balanced manner.

[0018] Furthermore, there are two ping-pong tables; the first ping-pong table and the second ping-pong table are spliced ​​together to form a ping-pong table.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] The utility model provides a safety locking device that can lock and support the table legs after they are unfolded, and can lock the position of the table legs after they are folded. This safety locking device can improve the safety of table tennis tables. Specifically, the second end of the support member can be connected to the table legs of the leg device (directly or indirectly). After this connection relationship, when the safety locking device is in the unlocked state, people can drive the table legs to cause the support member to drive the guide rod to move along the length direction of the guide groove; for example, when the table legs are folded at the beginning, the guide rod is limited by the first locking component. When the table legs need to be opened, people can press the first locking component to unlock the limit of the guide rod by the first locking component. After that, people can unfold the table legs. After the table legs are fully opened, the guide rod will be in the guide groove. The second set position is limited by the second locking assembly, so that the safety locking device can lock and support the table legs after the table legs are unfolded, thereby preventing the foldable table legs from collapsing due to (lateral) impact; and when people need to fold the table legs, people can similarly press the second locking assembly to unlock the second locking assembly's limit on the guide rod, and then drive the guide rod to move to the limited position of the first locking assembly, allowing the first locking assembly to lock the folded table legs, so that the table legs will not be accidentally unfolded suddenly.

[0021] The utility model provides a table leg device with a novel safety locking device, which can lock and support the table legs after they are opened, and can lock the position of the table legs after they are folded, thereby improving the safety of the table legs in use.

[0022] The utility model provides a table tennis table with a novel table leg device, which can ensure the safety of the table tennis table and meet the needs of people who pursue a table tennis table with high safety performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The technology of the utility model is further described in detail below with reference to the accompanying drawings and specific embodiments:

[0024] Figure 1 It is a three-dimensional schematic diagram (partial schematic diagram) of two safety locking devices arranged adjacent to each other;

[0025] Figure 2 yes Figure 1 Schematic diagram of the micro-explosion effect of two safety locking devices (partial schematic diagram);

[0026] Figure 3 yes Figure 1 A three-dimensional schematic diagram of the middle spring member;

[0027] Figure 4 yes Figure 1 Front view of the two safety locking devices (mainly showing the "initial tilt angle");

[0028] Figure 5 It is a schematic diagram of the structure of two table legs arranged on the table body (wherein the table legs are in the retracted state);

[0029] Figure 6 yes Figure 5 Schematic diagram of the structure with the table legs fully opened;

[0030] Figure 7 It is a schematic diagram of the three-dimensional structure of two table tennis tables spliced ​​together to form a table tennis table;

[0031] Figure 8 yes Figure 6 A local enlarged view at R1;

[0032] Figure 9 yes Figure 6 A local enlarged view at R2.

[0033] Reference numerals:

[0034] 1-Safety locking device;

[0035] 11-mounting seat; 111-bottom plate; H-bottom plate surface; 112-side plate; A1-guide groove; X-length direction; A2-side plate through hole;

[0036] B1-first position; B2-second position; E-block;

[0037] 12-first locking assembly; 13-second locking assembly;

[0038] 14-Support assembly; 141-Support member; C1-First end; J1-First end hole; C2-Second end; 142-Guide rod; 143-Axis kit; K-Sleeve hole; 144-Connecting seat; M1-Plate; M2-Ear plate; 145-Connecting assembly; L1-Connecting rod; L2-Nut;

[0039] 21-limiting member; 211-flat plate; G-flat surface; 212-wing plate; D-wing plate through hole; F-initial state tilt angle;

[0040] 22-spring member; 221-middle hole; 222-first connecting portion; 223-second connecting portion;

[0041] 23-connector;

[0042] 3-leg assembly; 31-first leg assembly; 32-second leg assembly; 33-crossbeam; 34-foldable diagonal brace assembly; 341-second fixing member; 342-first diagonal brace; N1-first end; N2-second end; 343-auxiliary connecting assembly; 344-second diagonal brace; P1-first end; P2-second end;

[0043] 41-first fixing member; 42-table foot;

[0044] 51-gear reinforcement; 511-"U"-shaped groove; 512-baffle; 513-connecting plate; 52-connecting shaft;

[0045] 6- table tennis table; 61- table body; 62- fastening assembly; Q1- first side; Q2- second side;

[0046] 7- Ping-pong table;

[0047] R1-partial magnification icon number; R2-partial magnification icon number. DETAILED DESCRIPTION

[0048] The following will be combined with the embodiments and drawings to clearly and completely describe the concept, specific structure and technical effects of the present invention so as to fully understand the purpose, scheme and effect of the present invention. It should be noted that the embodiments and features in the embodiments of this application can be combined with each other unless there is a conflict. The same reference numerals used throughout the drawings indicate the same or similar parts.

[0049] It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. In addition, the terms "upper," "lower," "left," and "right" used in this utility model are only used with respect to the relative positions of the components of the utility model in the accompanying drawings.

[0050] Reference Figures 1 to 9 , a safety locking device 1 includes a mounting base 11, a first locking assembly 12, a second locking assembly 13 and a support assembly 14; the mounting base 11 can be fixed under the table of a table tennis table 6; the mounting base 11 has a guide groove A1; the first position B1 of the mounting base 11 is provided with the first locking assembly 12, and the second position B2 of the mounting base 11 is provided with the second locking assembly 13; the support assembly 14 includes a support member 141 and a guide rod 142; the first end C1 of the support member 141 is movably connected to the guide groove A1 through the guide rod 142; the first locking assembly 12 is used to limit the guide rod 142 at the first set position of the guide groove A1; the second locking assembly 13 is used to limit the guide rod 142 at the second set position of the guide groove A1; the second end C2 of the support member 141 can be connected (directly or indirectly) to the table leg 42 of the table leg device 3. In one embodiment, the second end C2 of the support member 141 is indirectly connected to the leg 42 of the leg device 3 : for example, the support member 141 is indirectly connected to the leg 42 via the crossbeam 33 described below.

[0051] Reference Figures 1 to 9 In one embodiment, the first locking assembly 12 and the second locking assembly 13 have the same structural composition; the first locking assembly 12 or the second locking assembly 13 includes a limit member 21, a spring member 22 and a connecting member 23; the limit member 21 is adjustably connected to the mounting seat 11 through the spring member 22 and the connecting member 23; the limit member 21 is used to limit the guide rod 142 at a set position.

[0052] Reference Figures 1 to 9 In one embodiment, the mounting seat 11 has a side plate through hole A2, the limiting member 21 has a wing plate through hole D, the spring member 22 has a middle hole 221, and the connecting member 23 passes through the side plate through hole A2, the wing plate through hole D, and the middle hole 221 to connect the mounting seat 11, the limiting member 21, and the spring member 22; and the spring member 22 has a first connecting portion 222 and a second connecting portion 223; the side plate 112 of the mounting seat 11 has a stop block E; after the spring member 22 is set, the first connecting portion 222 is connected to the stop block E, and the second connecting portion 223 is connected to the limiting member 21, and the second connecting portion 223 enables the limiting member 21 to maintain the set initial state inclination angle F, which is used to limit the guide rod 142.

[0053] Reference Figures 1 to 9 In one embodiment, the initial state inclination angle F is the inner angle formed by the flat surface G of the limit member and the bottom plate surface H of the mounting seat; the initial state inclination angle F is at least 30°.

[0054] Reference Figures 1 to 9 In one embodiment, the first connecting portion 222 is a connecting portion with a bent section, which can be connected to the stopper E after being bent. The second connecting portion 223 is a connecting portion with a straight section, which can be connected to the limiting member 21.

[0055] Reference Figures 1 to 9 In one embodiment, the mounting seat 11 is a "U"-shaped member of a set length. The mounting seat 11 has a bottom plate 111 and two side plates 112. The two side plates 112 are respectively provided with the guide groove A1, and the guide groove A1 is a keyway of a set length.

[0056] Reference Figures 1 to 9In one embodiment, the stopper 21 is a small "U"-shaped member. The stopper 21 comprises a flat plate 211 and two wings 212. The flat plate 211 facilitates pressing the stopper 21 to unlock the assembly. The wings 212 each have a wing through-hole D for facilitating the passage of the connector 23, thereby achieving assembly connection. The stopper 21 comprises a "U"-shaped groove. When the spring member 22 and the stopper 21 are inserted through the connector 23, the "U"-shaped groove facilitates the concealment of the spring member 22 within the stopper 21, while also facilitating the connection between the second connecting portion 223 and the stopper 21. Pressing the stopper 21 (rotating) compresses the spring member 22, thereby changing the initial tilt angle F of the stopper 21 and achieving unlocking (i.e., the stopper 21 no longer obstructs the movement of the guide rod 142 along the length direction X of the guide groove at the set position).

[0057] Reference Figures 1 to 9 In one embodiment, the support member 141 is a rigid flat bar of a set length; the first end C1 of the support member 141 is provided with a first end hole J1; the support assembly 14 further includes a shaft sleeve 143, and the shaft sleeve 143 has a sleeve hole K; the guide rod 142 passes through the first end hole J1, the sleeve hole K, and the guide groove A1, connecting the first end C1 of the support member 141, the shaft sleeve 143 and the mounting seat 11.

[0058] Reference Figure 1 and Figure 2 , the connecting member 23 is a circular shaft rod.

[0059] Another object of the present invention is to provide a table leg device to improve the safety of table legs.

[0060] Reference Figures 1 to 9 A table leg device 3 includes a first table leg assembly 31, a second table leg assembly 32, a crossbeam 33, and the safety locking device 1; the first table leg assembly 31 and the second table leg assembly 32 can be respectively set at set positions under the table of the table tennis table 6; one end of the crossbeam 33 is connected to the first table leg assembly 31, and the other end is connected to the second table leg assembly 32; the second end C2 of the support member 141 is connected to the crossbeam 33;

[0061] The first table leg assembly 31 and the second table leg assembly 32 have the same structural composition. The first table leg assembly 31 or the second table leg assembly 32 includes a first fixing member 41 and a table leg 42; the first fixing member 41 can be fixed at a set position under the table of the table tennis table 6; the table leg 42 is rotatably connected to the first fixing member 41 (such as hinged).

[0062] The table leg device 3 can be used on a table tennis table, and can also be used on other table structures (such as a dining table).

[0063] Reference Figures 1 to 9 In one embodiment, the support assembly 14 further includes a connecting seat 144 and a connecting assembly 145; the connecting seat 144 is arranged at (such as welded and fixed to) the middle or near the middle of the beam 33; the second end C2 of the support member 141 is provided with a second end hole, and the connecting seat 144 is provided with a seat hole, and the connecting assembly 145 includes a connecting rod L1 and a nut L2. After the connecting rod L1 passes through the second end hole and the seat hole, the nut L2 is used to lock the tail of the connecting rod L1, so that the connecting seat 144 and the support member 141 are connected.

[0064] Reference Figures 1 to 9 In one embodiment, the connecting seat 144 is a small "U"-shaped member, and the connecting seat 144 has a flat plate M1 and two ear plates M2; the two ear plates M2 are respectively provided with the seat holes.

[0065] Reference Figures 1 to 9 In one embodiment, the table leg device 3 further includes a foldable diagonal brace assembly 34; the foldable diagonal brace assembly 34 includes a second fixing member 341, a first diagonal brace 342, an auxiliary connecting assembly 343, and a second diagonal brace 344; the second fixing member 341 can be fixed at a set position under the table of the table tennis table 6, and the first end N1 of the first diagonal brace 342 is rotatably connected to the second fixing member 341 (such as hinged); the second end N2 of the first diagonal brace 342 is connected to the first end P1 of the second diagonal brace 344 through the auxiliary connecting assembly 343; the second end P2 of the second diagonal brace 344 is connected to the table leg 42 (such as hinged).

[0066] Reference Figures 1 to 9 In one embodiment, the auxiliary connecting assembly 343 includes a gear reinforcement 51 and a connecting shaft 52; the gear reinforcement 51 is a small "U"-shaped member, and the gear reinforcement 51 has a "U"-shaped groove 511, a baffle 512 and two connecting plates 513, and the two connecting plates 513 are respectively provided with an axial hole, the second end N2 of the first diagonal support 342 is provided with a third end hole, and the first end P1 of the second diagonal support 344 is provided with a fourth end hole, the second end N2 of the first diagonal support 342 and the first end P1 of the second diagonal support 344 are located in the "U"-shaped groove 511 of the gear reinforcement 51, and the connecting shaft 52 passes through the axial hole, the third end hole, and the fourth end hole to connect the gear reinforcement 51, the first diagonal support 342, and the second diagonal support 344. The gear reinforcement 51 can ensure that the diagonal support assembly is foldable, and at the same time ensure that the foldable diagonal support assembly 34 can fully play its diagonal support role after being unfolded.

[0067] Another object of the present invention is to provide a table tennis table to meet people's needs for a table tennis table with high safety performance.

[0068] Reference Figures 1 to 9 A table tennis table 6 includes a table body 61 and the table leg device 3; a plurality of the table leg devices 3 are provided under the table body 61; a plurality of the mounting seats 11 are fixed under the table body 61; if two of the mounting seats 11 are arranged closely adjacent to each other, they are also connected by a fastening component 62.

[0069] Reference Figures 1 to 9 In one embodiment, the fastening assembly 62 includes a bolt and a nut.

[0070] Reference Figures 1 to 9 In one embodiment, two table leg devices 3 are provided under (one) the table body 61, the first table leg device 3 is provided on the first side Q1 of the table body 61, and the second table leg device 3 is provided on the second side Q2 of the table body 61; the two table leg devices 3 are used to balance and support the table body 61, and the table leg devices 3 can be folded and retracted.

[0071] In one embodiment, the method of opening the table legs of the table tennis table of the present invention is as follows: When the table legs 42 are folded and laid flat on the bottom of the table (refer to Figure 5 ), you need to first press the limit member 21 in the first locking assembly 12 to unlock the limit, and then lift the table leg 42. After that, the crossbeam 33 of the table leg device 3 drives the guide rod 142 with the support member 141 to move along the length direction X of the guide groove A1. The guide rod 142 moves to the second end of the guide groove A1 and passes through the second locking assembly 13. It is limited by the second locking assembly 13, and the table leg 42 can be stably maintained in the open state. In this state, the table leg 42 has the locking support of the safety locking device 1, and is not easily folded by lateral impact. The state of the table leg 42 after opening can be referred to Figure 6 .

[0072] In one embodiment, the table tennis table of the present invention is folded up as follows: the table legs 42 are in a stable open state (refer to Figure 6 ), to fold up the table leg 42, it is necessary to first press the limit member 21 in the second locking assembly 13 to unlock the limit, and then push the table leg 42 laterally to rotate it around the hinge of the first fixing member 41. After that, the crossbeam 33 of the table leg device 3 drives the guide rod 142 along the length direction X of the guide groove A1 with the support member 141. The guide rod 142 moves to the first end of the guide groove A1 and passes through the first locking assembly 12. It is limited by the first locking assembly 12, and the position of the table leg 42 can be locked. As a result, the table leg 42 can be safely placed flat on the bottom of the table.

[0073] In one embodiment, a table tennis table 6 of the present invention is provided with a novel table leg device 3, which can be locked and supported after the table legs 42 are opened, preventing the table legs 42 from suddenly closing due to a lateral impact and causing the table to collapse. It can also be locked in position after the table legs 42 are folded, preventing personal injury or damage to property due to accidental expansion of the table legs 42 after the table tennis table 6 is folded.

[0074] Reference Figures 1 to 9 In one embodiment, there are two table tennis tables 6; the first table tennis table 6 and the second table tennis table 6 are spliced ​​into a table tennis table 7.

[0075] Other details of the safety locking device, table leg device and table tennis table described in the present invention can be found in the prior art and will not be described in detail here.

[0076] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Therefore, any modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A safety locking device, characterized in that: The ping-pong table comprises a mounting base, a first locking assembly, a second locking assembly and a support assembly; the mounting base can be fixed under the table of a table tennis table; the mounting base has a guide groove; the first position of the mounting base is provided with the first locking assembly, and the second position of the mounting base is provided with the second locking assembly; the support assembly comprises a support member and a guide rod; the first end of the support member is movably connected to the guide groove through the guide rod; the first locking assembly is used to limit the guide rod at the first set position of the guide groove; the second locking assembly is used to limit the guide rod at the second set position of the guide groove; the second end of the support member can be connected to the table leg of the table leg device.

2. The safety locking device according to claim 1, characterized in that: The first locking assembly and the second locking assembly have the same structural composition; the first locking assembly or the second locking assembly includes a limit member, a spring member and a connecting member; The limiting member is adjustably connected to the mounting seat through the spring member and the connecting member; the limiting member is used to limit the guide rod at a set position.

3. The safety locking device according to claim 2, characterized in that: The mounting seat has a side plate through hole, the limiting member has a wing plate through hole, the spring member has a middle hole, and the connecting member passes through the side plate through hole, the wing plate through hole, and the middle hole to connect the mounting seat, the limiting member, and the spring member; and the spring member has a first connecting part and a second connecting part; the side plate of the mounting seat has a stop block; after the spring member is set, the first connecting part is connected to the stop block, the second connecting part is connected to the limiting member, and the second connecting part enables the limiting member to maintain a set initial state inclination angle, which is used to limit the guide rod.

4. The safety locking device according to claim 3, characterized in that: The initial state inclination angle is the inner angle formed by the flat surface of the limiting member and the bottom plate surface of the mounting seat; the initial state inclination angle is at least 30°.

5. The safety locking device according to claim 3, characterized in that: The first connecting portion is a connecting portion of a bending section.

6. A table leg device, characterized in that: The table tennis table comprises a first table leg assembly, a second table leg assembly, a crossbeam, and the safety locking device according to any one of claims 1 to 5; the first table leg assembly and the second table leg assembly can be respectively arranged at set positions under the table tennis table; one end of the crossbeam is connected to the first table leg assembly, and the other end is connected to the second table leg assembly; the second end of the support member is connected to the crossbeam; The first table leg assembly and the second table leg assembly have the same structural composition. The first table leg assembly or the second table leg assembly includes a first fixing member and a table leg; the first fixing member can be fixed at a set position under the table tennis table; the table leg is rotatably connected to the first fixing member.

7. The table leg device according to claim 6, characterized in that: The table leg device also includes a foldable diagonal brace assembly; the foldable diagonal brace assembly includes a second fixing member, a first diagonal brace, an auxiliary connecting assembly and a second diagonal brace; the second fixing member can be fixed at a set position under the table tennis table, and the first end of the first diagonal brace is rotatably connected to the second fixing member; the second end of the first diagonal brace is connected to the first end of the second diagonal brace through the auxiliary connecting assembly; and the second end of the second diagonal brace is connected to the table leg.

8. A table tennis table, characterized in that: It comprises a platform body and the platform leg device according to any one of claims 6 to 7; a plurality of the platform leg devices are provided under the platform body; a plurality of the mounting seats are fixed under the platform body; if two of the mounting seats are arranged closely adjacent to each other, they are connected by a fastening assembly.

9. The table tennis table according to claim 8, characterized in that: Two table leg devices are provided under the table body, the first table leg device is provided on the first side of the table body, and the second table leg device is provided on the second side of the table body; the two table leg devices are used to support the table body in a balanced manner.

10. The table tennis table according to claim 9, characterized in that: There are two table tennis tables; the first table tennis table and the second table tennis table are spliced ​​together to form a table tennis table.

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