CN214016770U

CN214016770U - Stable folding chair

Info

Publication number: CN214016770U
Application number: CN202120052649.3U
Authority: CN
Inventors: 王志敏; 吴荣武; 陈伟民; 林建锋
Original assignee: Fujian Ouleide Furniture Co ltd
Current assignee: Fujian Ouleide Furniture Co ltd
Priority date: 2021-01-09
Filing date: 2021-01-09
Publication date: 2021-08-24
Anticipated expiration: 2031-01-09

Abstract

The application relates to the technical field of folding chairs, in particular to a stable folding chair which comprises a folding chair body, the folding chair body comprises two fixed supporting legs, a backrest is fixedly connected between the two fixed supporting legs, a rotating shaft is rotatably arranged between the two fixed supporting legs, the rotating shaft is fixedly connected with a seat plate, the fixed supporting leg is provided with a mounting groove, a rotating rod is rotationally arranged in the mounting groove, the rotating rod is parallel to the fixed supporting leg and is positioned below the seat plate, the rotating rod is fixedly connected with a supporting beam, the seat plate is placed on the supporting beams, a supporting rod is fixedly arranged at one end of each supporting beam far away from the rotating rod, the top parts of the two supporting beams are both provided with a limiting groove, two limiting blocks are fixedly arranged at the bottom of the seat plate and are respectively inserted into the two limiting grooves. The application provides a stable form folding chair has the high effect of stability.

Description

Stable folding chair

Technical Field

The application relates to the technical field of folding chairs, in particular to a stable folding chair.

Background

The folding chair is a chair with a stacking function, and has the advantages of convenient carrying, space saving and the like.

The chinese patent with publication number CN206238853U discloses a folding chair, which comprises a frame body, two accommodating holes arranged on the frame body along the height direction, two rotating shafts respectively arranged on the lower parts of the two accommodating holes along the width direction, and two movable plates, wherein the two rotating shafts respectively penetrate the lower parts of the two movable plates; in a folded state, the two movable plates are respectively accommodated in the two accommodating holes; in the unfolding state, the frame body is obliquely arranged, the bottom surface of the frame body is abutted against the ground, one movable plate is horizontally unfolded towards the front of the frame body to provide a sitting area for a user, and the other movable plate is unfolded towards the rear of the frame body and abutted against the ground.

In view of the above-mentioned related art, the inventor believes that there is a drawback in that the folding chair of the related art has low stability in use.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect that the stability of the folding chair in the related art is low in use, the application provides a stable folding chair.

The application provides a stable form folding chair adopts following technical scheme:

a stable folding chair comprises a folding chair body, wherein the folding chair body comprises fixed supporting legs, the number of the fixed supporting legs is two, a backrest is fixedly connected between the two fixed supporting legs, a rotating shaft is rotatably arranged between the two fixed supporting legs, the rotating shaft is fixedly connected with a seat plate, the fixed supporting leg is provided with a mounting groove, a rotating rod is rotationally arranged in the mounting groove, the rotating rod is parallel to the fixed supporting leg and is positioned below the seat plate, the rotating rod is fixedly connected with a supporting beam, the seat plate is arranged on the supporting beam, a supporting rod is fixedly arranged at one end of the supporting beam far away from the rotating rod, the supporting rods are arranged towards the bottom of the folding chair body, the tops of the two supporting beams are both provided with a limiting groove, two limiting blocks are fixedly arranged at the bottom of the seat plate and are respectively inserted into the two limiting grooves.

Through adopting above-mentioned technical scheme, when the folding chair is in the open mode, supporting beam is located the outside of two fixed landing legs, at this moment, puts down the seat and makes the seat place on two supporting beam to insert the stopper of the bottom of seat in the spacing groove, thereby make seat and two supporting beam be in fixed state, and then make folding chair body have higher stability.

Preferably, the mounting groove includes diapire, roof, first lateral wall and second lateral wall are crossing, conflict on first lateral wall or second lateral wall after the supporting beam rotates, work as the supporting beam rotates the back and conflicts when first lateral wall, the plane between two fixed landing legs of supporting beam perpendicular to, work as the supporting beam rotates the back and conflicts when the second lateral wall, the supporting beam is located between two fixed landing legs.

By adopting the technical scheme, as the mounting groove comprises the bottom wall, the top wall, the first side wall and the second side wall, when the supporting cross beam is abutted against the first side wall after rotating, the supporting cross beam is vertical to a plane between the two fixed supporting legs, and at the moment, the folding chair is in an open state, so that the seat plate can be placed on the two supporting cross beams; when the supporting beam props against the second side wall after rotating, the supporting beam is positioned between the two fixed supporting legs, so that the folding chair can be folded to be in a planar state, and the folding chair is convenient to carry.

Preferably, when the limiting block is inserted into the limiting groove, the supporting beam abuts against the first side wall.

Through adopting above-mentioned technical scheme, because when the stopper inserted the spacing inslot, the supporting beam contradicts on first lateral wall, and at this moment, the plane between two fixed landing legs of supporting beam perpendicular to makes two supporting beams support in the both sides of seat to the stability of folding chair has further been increased.

Preferably, the fixed support legs comprise upper support legs and lower support legs, the upper support legs and the lower support legs are hinged to each other, the support cross beam is arranged on the lower support legs, and the backrest is arranged between the two upper support legs.

Through adopting above-mentioned technical scheme, because fixed landing leg includes landing leg and lower landing leg, go up landing leg and lower landing leg articulated each other, the back setting is gone up between two landing legs, turns over the seat up earlier and makes the seat conflict on the back, then rotates two supporting beam between down two landing legs, later down the lower landing leg upset for two supporting beam are contradicted with the seat, thereby further folding chair, thereby further reduced the area that folding chair occupy.

Preferably, one of the two support rods is hinged with a connecting rod, a clamping component is arranged on the connecting rod and used for fixing the connecting rod on the other support rod.

Through adopting above-mentioned technical scheme, because it has the connecting rod to articulate on one of them supporting beam, is provided with the joint subassembly on another supporting beam, passes through the joint subassembly through with the connecting rod on one of them supporting beam and fixes on another supporting beam for two supporting beams pass through the connecting rod and fix, thereby further improved folding chair's stability.

Preferably, the clamping assembly comprises a first threaded hole, the first threaded hole is formed in the connecting rod, a first bolt is connected to the first threaded hole in an internal thread mode, a second threaded hole is formed in the other end, close to the inserting hole, of the supporting rod, and the end portion of the first bolt is connected to the second threaded hole in a threaded mode.

Through adopting above-mentioned technical scheme, because the joint subassembly includes first bolt, first screw hole and second screw hole, thereby realize fixing the effect between two supporting beam with the connecting rod through with first bolt threaded connection simultaneously in first screw hole and second screw hole.

Preferably, when the connecting rod is fixed to the other supporting rod, the upper surface of the connecting rod is flush with the upper surface of the supporting beam.

By adopting the technical scheme, because the connecting rod is fixed on the other supporting beam, the upper surface of the connecting rod is flush with the upper surface of the supporting beam, so that when the seat plate is placed on the supporting beam, the seat plate can be placed on the upper surface of the connecting rod, and the stability of a user sitting on the seat plate is improved.

Preferably, the folding chair body is provided with fixed subassembly, fixed subassembly is used for the state after fixed folding chair is folding, fixed subassembly includes second bolt, third screw hole and fourth screw hole, the third screw hole is seted up on the landing leg down, the fourth screw hole is seted up on last landing leg, works as after the folding chair, the second bolt is simultaneously with third screw hole and screw hole threaded connection.

Through adopting above-mentioned technical scheme, because the folding chair body is provided with fixed subassembly, and fixed subassembly is used for the state after fixed folding chair is folding to pass through fixed subassembly after the last landing leg of folding chair and the fifty percent discount of lower landing leg and be fixed together, and then be in the same place whole folding chair is fixed, realized further convenient effect of carrying folding chair.

In summary, the present application includes at least one of the following beneficial technical effects:

when the stable folding chair is in the open state, the supporting cross beams are positioned at the outer sides of the two fixed supporting legs, at the moment, the seat plate is placed on the two supporting cross beams by putting down the seat plate, and the limiting blocks at the bottom of the seat plate are inserted into the limiting grooves, so that the seat plate and the two supporting cross beams are in the fixed state, and the folding chair body has higher stability;

the fixed supporting legs comprise upper supporting legs and lower supporting legs, the upper supporting legs and the lower supporting legs are hinged with each other, the backrest is arranged between the two upper supporting legs, the seat plate is firstly turned upwards and abutted against the backrest, then the two supporting cross beams are rotated between the two lower supporting legs, and the lower supporting legs are turned downwards and abutted against the seat plate, so that the folding chair is further folded, and the area occupied by the folding chair is further reduced;

because the folding chair body is provided with fixed subassembly, and fixed subassembly is used for the state after the folding of fixed folding chair to pass through fixed subassembly after the last landing leg of folding chair and the fifty percent discount of lower landing leg and be fixed together, and then be in the same place whole folding chair is fixed, realized further the effect that conveniently carries folding chair.

Drawings

Fig. 1 is a schematic view of an open stable folding chair according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of the embodiment of the present application for protruding the mounting groove.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a schematic structural diagram of a limiting block and a limiting groove for highlighting the limiting block in the embodiment of the application.

Fig. 5 is a schematic view of a folded state of a stabilized folding chair according to an embodiment of the present invention.

Description of reference numerals: 1. Fixing the supporting legs; 2. an upper support leg; 3. a lower leg; 4. a backrest; 6. a rotating shaft; 7. a seat plate; 8. a containing groove; 9. mounting grooves; 10. rotating the rod; 11. a support beam; 12. a support bar; 13. a bottom wall; 14. a top wall; 15. a first side wall; 16. a second side wall; 17. a limiting block; 18. a limiting groove; 19. rotating the column; 20. a connecting rod; 21. a first bolt; 22. a second bolt; 23. a third bolt; 31. a first threaded hole; 33. a third threaded hole; 34. a fourth threaded hole; 35. a fifth threaded hole; 36. and a sixth threaded hole.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

Referring to fig. 1, the stable folding chair disclosed in the embodiment of the present application includes a folding chair body, the folding chair body includes two fixed legs 1 arranged in parallel, the fixed legs 1 include an upper leg 2 and a lower leg 3, and the upper leg 2 and the lower leg 3 are hinged to each other.

Referring to fig. 1 and 2, a backrest 4 is fixedly arranged between the two upper support legs 2, a rotating shaft 6 is rotatably arranged between the two upper support legs 2, the rotating shaft 6 is located at the bottom of the backrest 4, the rotating shaft 6 is parallel to the side wall of the bottom of the backrest 4, and a seat plate 7 is fixedly arranged on the rotating shaft 6.

Referring to fig. 2 and 3, a receiving groove 8 is formed between the backrest 4 and the two upper support legs 2, and when the seat plate 7 rotates upward, the seat plate 7 is received in the receiving groove 8 and abuts against the backrest 4.

The mounting groove 9 has been seted up on lower landing leg 3, and the 9 internal rotations in mounting groove are provided with dwang 10, and dwang 10 is parallel with

lower landing leg

3, and 10 fixedly connected with supporting beam 11 of dwang, supporting beam 11 perpendicular to lower landing leg 3, and the fixed bracing piece 12 that is provided with of one end that dwang 10 was kept away from to supporting beam 11, and bracing piece 12 sets up towards the bottom of folding chair body, and bracing piece 12 is on a parallel with lower landing leg 3.

The mounting groove 9 comprises a bottom wall 13, a top wall 14, a first side wall 15 and a second side wall 16, the supporting beam 11 can abut against the first side wall 15 or the second side wall 16 after rotating, when the supporting beam 11 abuts against the first side wall 15 after rotating, the supporting beam 11 is perpendicular to the space between the two lower support legs 3, and when the supporting beam 11 abuts against the second side wall 16 after rotating, the supporting beam 11 is vertically positioned between the two lower support legs 3.

Referring to fig. 1 and 4, the bottom of the seat plate 7 is fixedly provided with a limiting block 17, the top of the supporting beam 11 is provided with a limiting groove 18, and when the supporting beam 11 rotates and abuts against the first side wall 15, the limiting block 17 is inserted into the limiting groove 18 after the seat plate 7 rotates downwards.

One of the support rods 12 is rotatably provided with a rotating column 19, the rotating column 19 is located on the side wall of the support rod 12 far away from the backrest 4, the rotating column 19 is fixedly connected with a connecting rod 20, the connecting rod 20 is provided with a clamping component, and the clamping component is used for fixing the connecting rod 20 on the other support beam 11.

The clamping assembly comprises a first threaded hole 31 and a first bolt 21, the first threaded hole 31 is formed in the connecting rod 20, the first bolt 21 is in threaded connection with the first threaded hole 31, a second threaded hole (not shown in the figure) is formed in one end, close to the connecting rod 20, of the other supporting rod 12, and the end portion of the first bolt 21 is in threaded connection with the second threaded hole.

When the end of the first bolt 21 is screwed in the second threaded hole, the upper surface of the connecting rod 20 is flush with the upper surface of the supporting beam 11, so that the seat plate 7 is placed on the upper surfaces of the connecting rod 20 and the supporting beam 11 after the seat plate 7 is put down, thereby improving the stability of the folding chair.

The connecting rod 20 is further provided with a fifth threaded hole 35, the fifth threaded hole 35 is in threaded connection with a third bolt 23, the supporting rod 12 located on one side of the rotating column 19 is further provided with a sixth threaded hole 36, and the third bolt 23 is simultaneously in threaded connection with the fifth threaded hole 35 and the sixth threaded hole 36.

Referring to fig. 4 and 5, a fixing assembly is further arranged on the folding chair body, the fixing assembly is used for fixing the folding state of the folding chair, the fixing assembly comprises a second bolt 22, a third threaded hole 33 and a fourth threaded hole 34, the third threaded hole 33 is formed in the lower leg 3, the third threaded hole 33 is located in the side wall of the bottom of the lower leg 3, the fourth threaded hole 34 is formed in the upper leg 2, the fourth threaded hole 34 is located in the side wall of the top of the upper leg 2, and when the folding chair is in the folding state, the second bolt 22 is simultaneously in threaded connection with the third threaded hole 33 and the fourth threaded hole 34.

The implementation principle of a stable form folding chair of this application embodiment does: when the folding chair is in an open state, the supporting beams 11 are opened to be perpendicular to the lower support legs 3, the connecting rod 20 is fixed between the two supporting beams 11, then the seat plate 7 is put down, so that the limiting blocks 17 on the seat plate 7 are inserted into the limiting grooves 18, and at the moment, the seat plate 7 provides a sitting area; when the folding chair needs to be folded, firstly, the seat plate 7 is upwards rotated and accommodated in the accommodating groove 8, then the connecting rod 20 is fixed on the supporting rod 12 on the side through the third bolt 23, then the two supporting beams 11 are inwards rotated to enable one supporting beam 11 to be abutted on the other supporting beam 11, then the two lower supporting legs 3 are upwards turned over, the two supporting beams 11 are abutted against the seat plate 7, and finally the lower supporting legs 3 and the upper supporting legs 2 are locked through the fixing assembly, so that the folding chair is in a folded state.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A stable form folding chair which characterized in that: comprises a folding chair body, the folding chair body comprises fixed support legs (1), the fixed support legs (1) are arranged into two, a backrest (4) is fixedly connected between the fixed support legs (1), two rotating shafts (6) are rotatably arranged between the fixed support legs (1), seat plates (7) are fixedly connected with the rotating shafts (6), mounting grooves (9) are arranged on the fixed support legs (1), rotating rods (10) are rotatably arranged in the mounting grooves (9), the rotating rods (10) are parallel to the fixed support legs (1), the rotating rods (10) are positioned below the seat plates (7), supporting beams (11) are fixedly connected with the rotating rods (10), the seat plates (7) are placed on the supporting beams (11), and supporting rods (12) are fixedly arranged at one ends, far away from the rotating rods (10), of the supporting beams (11), the utility model discloses a folding chair, including bracing piece (12), supporting beam (11), limiting groove (18) have all been seted up at the top of bracing piece (12) orientation folding chair body, two the fixed two stopper (17) that are provided with in bottom of seat (7), two stopper (17) insert two respectively in limiting groove (18).

2. A stabilized folding chair according to claim 1, wherein: mounting groove (9) include diapire (13), roof (14), first lateral wall (15) and second lateral wall (16) are crossing, conflict on first lateral wall (15) or second lateral wall (16) after supporting beam (11) rotate, work as conflict when first lateral wall (15) after supporting beam (11) rotate, plane between two fixed landing legs (1) of supporting beam (11) perpendicular to, work as conflict when second lateral wall (16) after supporting beam (11) rotate, supporting beam (11) are located between two fixed landing legs (1).

3. A stabilized folding chair according to claim 2, characterised in that: when the limiting block (17) is inserted into the limiting groove (18), the supporting beam (11) is abutted against the first side wall (15).

4. A stabilized folding chair according to claim 3, wherein: the fixed supporting legs (1) comprise upper supporting legs (2) and lower supporting legs (3), the upper supporting legs (2) and the lower supporting legs (3) are hinged to each other, the supporting cross beam (11) is arranged on the lower supporting legs (3), and the backrest (4) is arranged between the two upper supporting legs (2).

5. A stabilized folding chair according to claim 4, wherein: one of which the bracing piece (12) is articulated with a connecting rod (20), the connecting rod (20) is provided with a clamping component, the clamping component is used for fixing the connecting rod (20) on the other bracing piece (12).

6. A stabilized folding chair according to claim 5, characterised in that: the clamping assembly comprises a first threaded hole (31), the first threaded hole (31) is formed in the connecting rod (20), a first bolt (21) is connected to the first threaded hole (31) in an internal thread mode, a second threaded hole (32) is formed in one end, close to the inserting hole, of the supporting rod (12), and the end portion of the first bolt (21) is connected into the second threaded hole (32) in a threaded mode.

7. A stabilized folding chair according to claim 6, wherein: when the connecting rod (20) is fixed on the other supporting rod (12), the upper surface of the connecting rod (20) is flush with the upper surface of the supporting beam (11).

8. A stabilized folding chair according to claim 7, wherein: the folding chair body is provided with fixed subassembly, fixed subassembly is used for the state after fixed folding chair is folding, fixed subassembly includes second bolt (22), third screw hole (33) and fourth screw hole (34), third screw hole (33) are seted up on landing leg (3) down, fourth screw hole (34) are seted up on last landing leg (2), work as after the folding chair is folding, second bolt (22) are simultaneously with third screw hole (33) and screw hole threaded connection.