Movable splicing type dining table and chair for canteen

Abstract

According to the technical scheme, the movable splicing type dining table and chair for the canteen is characterized by comprising a middle stand column, a dining plate is fixed to the top of the middle stand column, two sets of seats and a backup plate are connected to the two sides of the stand column respectively, and the two sets of seats on one side are fixed to the stand column through a first supporting frame; the two sets of seats on the other side are fixedly installed on a second supporting frame, a horizontal transverse frame is fixed to the position, located on one side of the second supporting frame, of the stand column, the second supporting frame is adjustably installed on the horizontal transverse frame in a sliding mode, a supporting seat is hinged to the horizontal transverse frame, and when the second supporting frame slides to the limiting position, the supporting seat is hinged to the second supporting frame. The second supporting frame is fixed to the supporting base through a clamping and locking structure, and the supporting base is turned over to enable the second supporting frame, the two sets of seats on the second supporting frame and the backup plate to be turned over by 90 degrees integrally so as to save space. The dining table and chair has the advantages that the occupied area can be adjusted, and the use flexibility and the transportation convenience are better.

Description

Technical Field

[0001] The invention relates to the technical field of dining tables, in particular to a movable spliced ​​dining table and chairs for a canteen. Background Art

[0002] Dining chairs are often used in public places such as canteens and restaurants. They are used for diners to sit and eat, and are widely used.

[0003] The existing Chinese patent with publication number CN104886951A discloses an integrated dining table and chair, comprising a table top, a plurality of table legs are arranged at the bottom of the table top, a plurality of connecting rods are fixedly connected between the table legs, the connecting rods are centrally symmetrically distributed around the center of the table top, a circle of bearing surfaces for guests to sit on is closed around the table top on the connecting rods, the table top is a regular octagon, and the table top and the bearing surface are wooden structures.

[0004] The above patent has some advantages, but there are still some problems, such as: it is impossible to conveniently adjust the floor space of the dining chair, resulting in insufficient flexibility of use and convenience of transportation, which can be improved. Summary of the invention

[0005] In view of the problems mentioned in the background technology, the purpose of the present invention is to provide a movable splicing dining table and chairs for a cafeteria to solve the problems mentioned in the background technology.

[0006] The above technical objectives of the present invention are achieved through the following technical solutions:

[0007] A movable spliced ​​dining table and chair for a cafeteria, comprising a middle column, a dining board is fixed on the top of the middle column, two groups of seats and backboards are respectively connected to the two sides of the column, the two groups of seats on one side are fixed to the column through a first support frame, and the two groups of seats on the other side are respectively installed and fixed on a second support frame, the column is fixed with a horizontal cross frame on one side of the second support frame, the second support frame is adjustably slidably installed on the horizontal cross frame, and a support seat is hinged on the horizontal cross frame, when the second support frame slides to the extreme position, the second support frame is fixed to the support seat by a locking structure, and the second support frame and the two groups of seats and the backboard thereon are flipped 90 degrees as a whole by flipping the support seat.

[0008] By adopting the above technical scheme, the present dining table and chair has the advantages of adjustable floor space, good flexibility of use and convenient transportation; two groups of seats and backboards are respectively arranged on both sides of the dining chair, and the two groups of seats and backboards on one side can horizontally adjust the distance from the column and can be flipped for storage. When the distance needs to be adjusted, it can be achieved by the relative sliding of the second support frame and the horizontal cross frame. When the second support frame is pushed to the end position, it can be fixed to the support seat by a locking structure. Since the support seat is hinged on the horizontal cross frame, when the support seat is flipped, it can drive the second support frame, the two groups of seats and the backboard to be flipped for storage, which is convenient for transportation and use and storage.

[0009] Preferably, the second support frame and the horizontal cross frame are assisted in adjustment and locking by a sliding locking assembly. When the locking structure connects and fixes the support seat and the second support frame, the sliding locking assembly unlocks the horizontal cross frame and the second support frame.

[0010] By adopting the above technical solution, the stability of the second support frame during the sliding process can be improved by utilizing the cooperation between the sliding locking assembly and the locking structure, and locking with the support seat can be achieved when the sliding locking is disengaged.

[0011] Preferably, the sliding locking assembly includes an outward-extending block, a horizontal slider, a horizontal slide groove, a groove, an I-shaped portion, and an I-shaped groove, the outward-extending block is fixed to the end of the second support frame, the horizontal slider is fixed to the bottom of the second support frame, the horizontal slide groove is provided in the horizontal cross frame for the horizontal slider to slide, the groove is provided in the support seat, the I-shaped portion is fixed to the outward-extending block, and the I-shaped groove is provided in the support seat for the I-shaped portion to be horizontally inserted.

[0012] By adopting the above technical solution, when the second support frame slides above the horizontal cross frame, the horizontal sliding block at its bottom can slide in the horizontal sliding groove, thereby maintaining the sliding stability of the second support frame. When the second support frame slides, it can drive the protruding block at the end to move forward, so that the I-shaped portion can be inserted into the I-shaped groove, thereby fixing the second support frame and the support seat together.

[0013] Preferably, the locking structure includes an intermediate ring groove, a top slot, a bottom slot, an intermediate slider, a top plug rod, a bottom plug rod, a spring, a top embedded groove and a plurality of bottom embedded grooves, the intermediate ring groove, the top slot and the bottom slot are respectively provided in the protruding block, the I-shaped portion and the horizontal slider, the intermediate slider is slidably connected in the intermediate ring groove, the top plug rod is fixed to the top of the intermediate slider, the bottom plug rod is fixed to the bottom of the intermediate slider, the top embedded groove is provided in the support seat for the end of the top plug rod to be inserted into, a plurality of the bottom embedded grooves are respectively provided in the horizontal cross frame for the ends of the bottom plug rod to be inserted into, and the spring is arranged in the intermediate ring groove and is sleeved on the outside of the top plug rod.

[0014] By adopting the above technical scheme, when the second support frame is pushed forward, under the action of the spring, the end of the bottom plug rod can be inserted into the bottom embedding groove. Since the bottom embedding groove is provided with several gears, multiple gears can be adjusted horizontally; when the horizontal slide is pushed to the last gear in the horizontal slide groove, the end of the bottom plug rod can be inserted into the bottom embedding groove. At this time, if it continues to be pushed forward, on the one hand, the I-shaped part will be inserted into the I-shaped groove, and on the other hand, the top plug rod will be inserted into the top embedding groove in the support seat, thereby releasing the lock between the second support frame and the horizontal cross frame, and fixing the second support frame and the support seat, so as to facilitate subsequent flipping and storage; since the second support frame is first pushed horizontally to the extreme position and then flipped during storage, it occupies less space.

[0015] Preferably, the ends of the top insertion rod and the bottom insertion rod are arc-shaped surfaces respectively, and the cross-sections of the top embedding groove and a plurality of the bottom embedding grooves are arc-shaped respectively.

[0016] By adopting the above technical solution, when the ends of the top insertion rod and the bottom insertion rod are arc-shaped surfaces, it is more convenient to embed and disembed.

[0017] Preferably, a silicone cardboard is fixed to one side of the column, and when the second support frame is flipped over by 90 degrees, the silicone cardboard is clamped and fixed in the gap between the two groups of seats.

[0018] By adopting the above technical solution, although when the second support frame is flipped over 90 degrees, it will not shake easily due to its own weight and the limitations of the backrest and seat; however, the reliability of its storage after flipping can be further improved by providing a silicone card board.

[0019] Preferably, the diameter of the middle sliding block is larger than the diameters of the top plug rod and the bottom plug rod.

[0020] By adopting the above technical solution, the sliding strokes of the top plug rod and the bottom plug rod can be limited by limiting the diameter of the middle sliding block.

[0021] Preferably, the bottom embedding groove and the top embedding groove are adjacently arranged in a horizontal projection position, and when the end of the bottom insertion rod is separated from the bottom embedding groove, the top insertion rod is synchronously embedded into the top embedding groove.

[0022] By adopting the above technical solution, it can be ensured through adjacent arrangement that after the bottom insertion rod is separated from the bottom embedding groove, the top insertion rod can be immediately inserted into the top embedding groove.

[0023] In summary, the present invention mainly has the following beneficial effects:

[0024] The dining table and chair has the advantages of adjustable floor space, good flexibility in use and convenient transportation. Two groups of seats and backboards are respectively arranged on both sides of the dining table and chair, and the two groups of seats and backboards on one side can be horizontally adjusted to a distance from a column and can be flipped over for storage. When the distance needs to be adjusted, it can be achieved by relative sliding between the second support frame and the horizontal cross frame. When the second support frame is pushed to the end position, it can be fixed to the support base by a locking structure. Since the support base is hinged on the horizontal cross frame, when the support base is flipped over, it can drive the second support frame, the two groups of seats and the backboard to be flipped over for storage, which is convenient for transportation and use and storage. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is one of the structural schematic diagrams of the present invention;

[0026] Figure 2 This is the second structural schematic diagram of the present invention;

[0027] Figure 3 It is a structural cross-sectional view of the present invention;

[0028] Figure 4 yes Figure 3 A in the enlarged view;

[0029] Figure 5 It is one of the partial explosion structure schematic diagrams of the present invention;

[0030] Figure 6 This is the second schematic diagram of the partial explosion structure of the present invention.

[0031] Figure numerals: 1. middle column; 10. dining board; 11. seat; 12. backboard; 13. first support frame; 14. second support frame; 15. horizontal cross frame; 16. support seat; 2. locking structure; 3. sliding locking assembly; 31. protruding block; 32. horizontal slider; 33. horizontal slide groove; 34. groove; 35. I-shaped portion; 36. I-shaped groove; 21. middle ring groove; 22. top slot; 23. bottom slot; 24. middle slider; 25. top plug rod; 26. bottom plug rod; 27. top embedded groove; 28. bottom embedded groove; 17. silicone card plate; 29. ​​spring. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] refer to Figure 1-6A movable splicing dining table and chair for a canteen, comprising a middle column 1, a dining board 10 is fixed to the top of the middle column 1, two groups of seats 11 and a backboard 12 are respectively connected to the two sides of the column, the two groups of seats 11 on one side are fixed to the column through a first support frame 13, and the two groups of seats 11 on the other side are respectively installed and fixed on a second support frame 14, a horizontal cross frame 15 is fixed to the column on one side of the second support frame 14, the second support frame 14 is adjustably slidably installed on the horizontal cross frame 15, and a support seat 16 is hinged on the horizontal cross frame 15, when the second support frame 14 slides to the extreme position, the second support frame 14 is fixed to the support seat 16 through a locking structure 2, and the second support frame 14 and the two groups of seats 11 and the backboard 12 thereon are flipped 90 degrees as a whole by flipping the support seat 16 to save space. The dining table and chair has an adjustable floor area and has the advantages of good flexibility in use and convenience in transportation. Two groups of seats 11 and backboards 12 are respectively arranged on both sides of the dining chair 11. The two groups of seats 11 and backboards 12 on one side can be horizontally adjusted to a distance from the column and can be flipped for storage. When the distance needs to be adjusted, the relative sliding of the second support frame 14 and the horizontal cross frame 15 can be used to achieve it. When the second support frame 14 is pushed to the end position, it can be fixed to the support seat 16 by the locking structure 2. Since the support seat 16 is hinged on the horizontal cross frame 15, when the support seat 16 is flipped, it can drive the second support frame 14, the two groups of seats 11 and the backboard 12 to be flipped for storage, which is convenient for transportation and use and storage.

[0034] refer to Figure 1-6 , wherein the second support frame 14 and the horizontal cross frame 15 are assisted in adjustment and locking by the sliding locking assembly 3, and when the locking structure 2 connects and fixes the support seat 16 and the second support frame 14, the sliding locking assembly 3 unlocks the horizontal cross frame 15 and the second support frame 14. By utilizing the cooperation of the sliding locking assembly 3 and the locking structure 2, the stability of the sliding process of the second support frame 14 can be improved, and the locking with the support seat 16 can be achieved when the sliding locking is released.

[0035] refer to Figure 1-6, wherein the sliding locking assembly 3 includes an outward-extending block 31, a horizontal slider 32, a horizontal slide groove 33, a groove 34, an I-shaped portion 35, and an I-shaped groove 36. The outward-extending block 31 is fixed at the end of the second support frame 14, the horizontal slider 32 is fixed at the bottom of the second support frame 14, the horizontal slide groove 33 is provided in the horizontal cross frame 15 for the horizontal slider 32 to slide, the groove 34 is provided in the support seat 16, the I-shaped portion 35 is fixed to the outward-extending block 31, and the I-shaped groove 36 is provided in the support seat 16 for the I-shaped portion 35 to be horizontally inserted. When the second support frame 14 slides above the horizontal cross frame 15, the horizontal slider 32 at the bottom thereof can slide in the horizontal slide groove 33, thereby maintaining the sliding stability of the second support frame 14. When the second support frame 14 slides, it can drive the outward-extending block 31 at the end to move forward, so that the I-shaped portion 35 can be inserted into the I-shaped groove 36, thereby fixing the second support frame 14 and the support seat 16 together.

[0036] refer to Figure 1-6 , wherein the locking structure 2 includes an intermediate ring groove 21, a top slot 22, a bottom slot 23, an intermediate slider 24, a top plug rod 25, a bottom plug rod 26, a spring 29, a top embedded groove 27 and a plurality of bottom embedded grooves 28, the intermediate ring groove 21, the top slot 22, and the bottom slot 23 are respectively arranged in the extended block 31, the I-shaped portion 35, and the horizontal slider 32, the intermediate slider 24 is slidably connected in the intermediate ring groove 21, the top plug rod 25 is fixed at the top of the intermediate slider 24, the bottom plug rod 26 is fixed at the bottom of the intermediate slider 24, the top embedded groove 27 is arranged in the support seat 16 for the end of the top plug rod 25 to be inserted, and a plurality of bottom embedded grooves 28 are respectively arranged in the horizontal cross frame 15 for the end of the bottom plug rod 26 to be inserted, and the spring 29 is arranged in the intermediate ring groove 21 and sleeved on the outside of the top plug rod 25; when the second support When the frame 14 is pushed forward, under the action of the spring 29, the end of the bottom plug rod 26 can be inserted into the bottom embedding groove 28. Since the bottom embedding groove 28 is provided with several gears, it can be adjusted horizontally to multiple gears; when the horizontal slide is pushed to the last gear in the horizontal slide groove 33, the end of the bottom plug rod 26 can be inserted into the bottom embedding groove 28. At this time, if it continues to be pushed forward, on the one hand, the I-shaped portion 35 will be inserted into the I-shaped groove 36, and on the other hand, the top plug rod 25 will be inserted into the top embedding groove 27 in the support seat 16, thereby releasing the lock between the second support frame 14 and the horizontal cross frame 15, and fixing the second support frame 14 and the support seat 16, so as to facilitate subsequent flipping and storage; since the second support frame 14 is first pushed horizontally to the extreme position during storage and then flipped, it occupies less space.

[0037] refer to Figure 1-6, wherein the ends of the top insertion rod 25 and the bottom insertion rod 26 are arc-shaped surfaces, and the cross-sections of the top embedding groove 27 and the plurality of bottom embedding grooves 28 are arc-shaped. When the ends of the top insertion rod 25 and the bottom insertion rod 26 are arc-shaped surfaces, it is more convenient to embed and disembed. A silicone card plate 17 is fixed on one side of the column. When the second support frame 14 is flipped 90 degrees, the silicone card plate 17 is clamped and fixed in the gap between the two groups of seats 11. Although the second support frame 14 will not shake easily due to its own weight and the limitations of the backrest plate 12 and the seat 11 after flipping 90 degrees; however, the reliability of its storage after flipping can be further improved by providing the silicone card plate 17.

[0038] refer to Figure 1-6 , wherein the diameter of the middle slider 24 is larger than the diameter of the top plug rod 25 and the bottom plug rod 26, and the sliding stroke of the top plug rod 25 and the bottom plug rod 26 can be limited by limiting the diameter of the middle slider 24. The bottom embedding groove 28 and the top embedding groove 27 are arranged adjacent to each other in the horizontal projection position, and when the end of the bottom plug rod 26 is separated from the bottom embedding groove 28, the top plug rod 25 is synchronously embedded in the top embedding groove 27. The adjacent arrangement can ensure that after the bottom plug rod 26 is separated from the bottom embedding groove 28, the top plug rod 25 can be immediately inserted into the top embedding groove 27.

[0039] refer to Figures 1 to 6 , the advantages and main principles of the present invention are as follows:

[0040] Two groups of seats 11 and backboards 12 are respectively arranged on both sides of the dining chair 11. The two groups of seats 11 and backboards 12 on one side can be horizontally adjusted to a distance from the column and can be flipped over for storage. When the distance needs to be adjusted, it can be achieved by the relative sliding of the second support frame 14 and the horizontal cross frame 15. When the second support frame 14 is pushed to the end position, it can be fixed to the support seat 16 by the locking structure 2. Since the support seat 16 is hinged on the horizontal cross frame 15, when the support seat 16 is flipped over, it can drive the second support frame 14, the two groups of seats 11 and the backboard 12 to be flipped over for storage, which is convenient for transportation and use and storage. When the second support frame 14 slides above the horizontal cross frame 15, the horizontal slider 32 at its bottom can slide in the horizontal slide groove 33, so as to maintain the sliding stability of the second support frame 14. When the second support frame 14 slides, it can drive the extended block 31 at the end to move forward, so that the I-shaped portion 35 can be inserted into the I-shaped groove 36, thereby fixing the second support frame 14 and the support seat 16 together, thereby ensuring the reliability of subsequent flipping and folding. When the second support frame 14 is pushed forward, under the action of the spring 29, the end of the bottom plug rod 26 can be inserted into the bottom embedding groove 28. Since the bottom embedding groove 28 is provided with several gears, it can be adjusted horizontally to multiple gears; when the horizontal slide is pushed to the last gear in the horizontal slide groove 33, the end of the bottom plug rod 26 can be inserted into the bottom embedding groove 28. At this time, if it continues to be pushed forward, on the one hand, the I-shaped portion 35 will be inserted into the I-shaped groove 36, and on the other hand, the top plug rod 25 will be inserted into the top embedding groove 27 in the support seat 16, thereby releasing the lock between the second support frame 14 and the horizontal cross frame 15, and fixing the second support frame 14 and the support seat 16, so as to facilitate subsequent flipping and storage; since the second support frame 14 is first pushed horizontally to the extreme position during storage and then flipped, it occupies less space.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A movable spliced ​​dining table and chair for a canteen, comprising a middle column (1), a dining board (10) being fixed to the top of the middle column (1), two groups of seats (11) and a backboard (12) being connected to both sides of the column, characterized in that: The two groups of seats (11) on one side are fixed to the column via a first support frame (13), and the two groups of seats (11) on the other side are respectively mounted and fixed on a second support frame (14); a horizontal cross frame (15) is fixed to the column on one side of the second support frame (14); the second support frame (14) is adjustably slidably mounted on the horizontal cross frame (15); a support seat (16) is hinged on the horizontal cross frame (15); when the second support frame (14) slides to an extreme position, the second support frame (14) is fixed to the support seat (16) via a locking structure (2); and the second support frame (14) and the two groups of seats (11) and the backrest (12) thereon are flipped 90 degrees as a whole by flipping the support seat (16).

2. The movable splicing dining table and chairs for canteen according to claim 1 are characterized by: The second support frame (14) and the horizontal cross frame (15) are assisted in adjustment and locking by a sliding locking assembly (3); when the locking structure (2) connects and fixes the support seat (16) and the second support frame (14), the sliding locking assembly (3) unlocks the horizontal cross frame (15) and the second support frame (14).

3. The movable splicing dining table and chairs for canteen according to claim 2 are characterized by: The sliding locking assembly (3) comprises an outwardly extending block (31), a horizontal slider (32), a horizontal slide groove (33), a groove (34), an I-shaped portion (35), and an I-shaped groove (36); the outwardly extending block (31) is fixed to the end of the second support frame (14); the horizontal slider (32) is fixed to the bottom of the second support frame (14); the horizontal slide groove (33) is provided in the horizontal cross frame (15) for the horizontal slider (32) to slide; the groove (34) is provided in the support seat (16); the I-shaped portion (35) is fixed to the outwardly extending block (31); and the I-shaped groove (36) is provided in the support seat (16) for the I-shaped portion (35) to be horizontally inserted.

4. The movable splicing dining table and chairs for canteen according to claim 3 are characterized by: The locking structure (2) comprises a middle ring groove (21), a top slot (22), a bottom slot (23), a middle slide block (24), a top insertion rod (25), a bottom insertion rod (26), a spring (29), a top embedded groove (27) and a plurality of bottom embedded grooves (28); the middle ring groove (21), the top slot (22) and the bottom slot (23) are respectively arranged in the extended block (31), the I-shaped portion (35) and the horizontal slide block (32); the middle slide block (24) is slidably connected to the middle In the intermediate annular groove (21), the top plug rod (25) is fixed on the top of the intermediate slider (24), the bottom plug rod (26) is fixed on the bottom of the intermediate slider (24), the top embedded groove (27) is opened in the support seat (16) for the end of the top plug rod (25) to be inserted, and a plurality of bottom embedded grooves (28) are respectively opened in the horizontal cross frame (15) for the end of the bottom plug rod (26) to be inserted, and the spring (29) is arranged in the intermediate annular groove (21) and sleeved on the outside of the top plug rod (25).

5. The movable splicing dining table and chairs for canteen according to claim 4 are characterized by: The ends of the top insertion rod (25) and the bottom insertion rod (26) are arc-shaped surfaces respectively, and the cross-sections of the top embedding groove (27) and a plurality of the bottom embedding grooves (28) are arc-shaped respectively.

6. The movable splicing dining table and chairs for canteen according to claim 4 are characterized by: A silicone cardboard (17) is fixed on one side of the column, and when the second support frame (14) is flipped 90 degrees, the silicone cardboard (17) is clamped and fixed in the gap between the two groups of seats (11).

7. The movable splicing dining table and chairs for canteen according to claim 4 are characterized by: The diameter of the middle sliding block (24) is greater than the diameters of the top insertion rod (25) and the bottom insertion rod (26).

8. The movable splicing dining table and chairs for a canteen according to claim 4, characterized in that: The bottom embedding groove (28) and the top embedding groove (27) are arranged adjacent to each other in a horizontal projection position, and when the end of the bottom insertion rod (26) is separated from the bottom embedding groove (28), the top insertion rod (25) is synchronously embedded into the top embedding groove (27).

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