CN220458965U - Folding joint structure, folding chair and folding table - Google Patents

Abstract

The utility model relates to the technical field of folding tables and chairs, and discloses a folding joint structure, a folding chair and a folding table, which comprise the following components: the rotary seat is rotationally connected with the fixed seat through a rotating shaft; a plurality of first grooves are formed in the opposite position of one end, far away from the rotating seat, of the fixing seat, first positioning pins and supporting rods are arranged in each first groove, and each first positioning pin is correspondingly hinged with one supporting rod; each first groove is correspondingly provided with a first resisting part, and each first resisting part is correspondingly abutted with the top of one supporting rod; a plurality of second grooves are formed in the opposite position of one end, far away from the fixed seat, of the rotating seat, a second positioning pin and a bearing rod are arranged in each second groove, and each second positioning pin is correspondingly hinged with one bearing rod; and each second groove is correspondingly provided with a second resisting part, and each second resisting part is correspondingly abutted with the bottom of one bearing rod. The utility model can be folded and stored rapidly.

Description

Folding joint structure, folding chair and folding table

Technical Field

The utility model relates to the technical field of folding tables and chairs, in particular to a folding joint structure, a folding chair and a folding table.

Background

The folding and portable products in the market are increasing, and the minimum and lightest parts are produced industrially to form folding furniture so as to adapt to various weather and climates; people can see different folding tables and chairs at places such as camping, beach leisure, sports, etc., and the tables and chairs are light and can be stacked, thereby being convenient to carry and saving space.

As patent document CN209331326U discloses an outdoor folding table and chair, which belongs to the field of outdoor equipment. The novel desk comprises a first supporting leg, a second supporting leg, a third supporting leg and a fourth supporting leg, wherein connecting pieces and connecting pieces are connected to the first supporting leg, the second supporting leg, the third supporting leg and the fourth supporting leg respectively, the connecting pieces and the connecting pieces on the first supporting leg are connected with the connecting pieces and the connecting pieces on the second supporting leg and the fourth supporting leg respectively through X-shaped brackets, the connecting pieces and the connecting pieces on the third supporting leg are connected with the connecting pieces and the connecting pieces on the second supporting leg and the fourth supporting leg respectively through X-shaped brackets, supporting plate grooves are formed in the connecting pieces, supporting plates are fixed on the supporting plate grooves, desk top plate grooves are formed in the connecting pieces, inserting holes are formed in the desk top plate grooves, and spring inserting shafts used for being inserted into the inserting holes are arranged at the bottoms of the desk top plate grooves. The outdoor folding table and chair can be flexibly folded, and the outdoor carrying requirement is met.

However, the seat of the folding chair cannot rotate and the folding operation is complicated, so that improvement is required.

Disclosure of Invention

The utility model solves the technical problems of the prior art by providing a folding joint structure, a folding chair and a folding table, and the folding chair has the advantages that the chair surface of the folding chair can rotate and the folding operation is simple through improvement on the folding joint.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a folding joint structure comprising: the rotary seat is rotationally connected with the fixed seat through a rotating shaft;

a plurality of first grooves are formed in the opposite position of one end, far away from the rotating seat, of the fixed seat, first positioning pins and supporting rods are arranged in each first groove, and each first positioning pin is correspondingly hinged with one supporting rod; each first groove is correspondingly provided with a first resisting part, and each first resisting part is correspondingly abutted with the top of one supporting rod so as to limit the supporting rod to rotate;

a plurality of second grooves are formed in the opposite position of one end, far away from the fixed seat, of the rotating seat, second positioning pins and bearing rods are arranged in each second groove, and each second positioning pin is correspondingly hinged with one bearing rod; and each second groove is correspondingly provided with a second resisting part, and each second resisting part is used for correspondingly abutting against the bottom of one bearing rod so as to limit the rotation of the bearing rod.

The structure connects the rotating seat with the fixed seat through the rotating shaft, and the bearing rod is provided with the seat surface, so that the seat surface can rotate; the rotation angle of the supporting rod in the first groove is limited by the first resisting part, and the rotation angle of the bearing rod in the second groove is limited by the second resisting part; when accomodating, directly rotate the bracing piece towards fixing base direction, rotate the carrier bar towards the roating seat direction again, until bracing piece and carrier bar are in coplanar position, so can fold fast and accomodate, easy operation.

Further, the folding joint structure further comprises a fixing piece which is rotatably arranged above the rotating seat, a plurality of inclined planes are arranged on the fixing piece, and each inclined plane is correspondingly abutted to the top of one bearing rod.

The folding chair comprises the folding joint structure, seat cloth and two groups of connecting components, wherein each group of connecting components comprises a connecting rod, a first locking rod and a second locking rod; one end of the first locking rod is hinged with the connecting rod, the other end of the first locking rod is connected with one end of the second locking rod, and the other end of the second locking rod and the connecting rod are both connected with one bearing rod; the bearing rods are four, wherein two bearing rods are respectively connected with the two connecting assemblies; one end of the seat cloth is connected with the two connecting rods, and the other end of the seat cloth is connected with the other two bearing rods.

The folding table comprises the folding joint structure and a table plate, wherein the table plate is detachably arranged on the folding joint structure.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the rotation angle of the supporting rod in the first groove is limited by the first resisting part, and the rotation angle of the bearing rod in the second groove is limited by the second resisting part; when accomodating, directly rotate the bracing piece towards fixing base direction, rotate the carrier bar towards the roating seat direction again, until bracing piece and carrier bar are in coplanar position, so can fold fast and accomodate, easy operation.

2. According to the utility model, the rotating seat is rotationally connected with the fixed seat through the rotating shaft, so that the seat surface of the folding chair can rotate, and the folding chair is more flexible to use.

Drawings

FIG. 1 is a schematic view of a folding joint structure according to the present utility model;

FIG. 2 is a schematic view of the structure of the portion A in FIG. 1;

FIG. 3 is a schematic view of the hidden fastener of FIG. 2;

FIG. 4 is a schematic view of the structure of FIG. 3 from another perspective;

FIG. 5 is a cross-sectional view of FIG. 3;

FIG. 6 is a schematic view of the folded structure of FIG. 1;

FIG. 7 is a schematic view of the structure of portion B in FIG. 6;

FIG. 8 is a schematic view of a folding chair incorporating the folding joint structure of FIG. 1;

FIG. 9 is a schematic view of the structure of portion C in FIG. 8;

figure 10 is a schematic view of a folding table incorporating the folding joint structure of figure 1.

Reference numerals: 10. a fixing seat; 11. a first groove; 12. a first positioning pin; 13. a support rod; 14. a first resisting part; 20. a rotating seat; 21. a second groove; 22. a second positioning pin; 23. a carrier bar; 24. a second resisting part; 30. a rotating shaft; 40. a fixing member; 41. an inclined plane; 50. a seat cloth; 60. a connection assembly; 61. a connecting rod; 62. a first locking lever; 63. a second locking lever; 70. a table plate; 71. a vertical rod; 72. a cross bar.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings.

The embodiments described by referring to the drawings are exemplary and intended for purposes of illustrating the present application and are not to be construed as limiting the present application. In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In this application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is less level than the second feature.

As shown in fig. 1 to 5, a folding joint structure according to the present utility model includes: the rotary seat 20 is rotationally connected with the fixed seat 10 through a rotating shaft 30; a plurality of first grooves 11 are formed in the opposite position of one end, far away from the rotating seat 20, of the fixed seat 10, a first positioning pin 12 and a supporting rod 13 are arranged in each first groove 11, and each first positioning pin 12 is correspondingly hinged with one supporting rod 13; each first groove 11 is further provided with a first resisting part 14 correspondingly, and each first resisting part 14 is used for correspondingly abutting against the top of one supporting rod 13 so as to limit the supporting rod 13 to rotate; a plurality of second grooves 21 are formed in the opposite position of one end, far away from the fixed seat 10, of the rotating seat 20, a second positioning pin 22 and a bearing rod 23 are arranged in each second groove 21, and each second positioning pin 22 is correspondingly hinged with one bearing rod 23; a second resisting portion 24 is further disposed in each second groove 21, and each second resisting portion 24 is configured to correspondingly abut against a bottom portion of one of the carrier bars 23 to limit rotation of the carrier bar 23.

In the present embodiment, the support bar 13 and the carrier bar 23 are each provided with four bars.

In implementation, when the support rods 13 need to be unfolded, the four support rods 13 are rotated along the corresponding first positioning pins 12 to a position far away from the fixed seat 10, and the rotation is stopped when the top of each support rod 13 reaches a position abutting against the corresponding first resisting part 14; when the carrying rods 23 need to be unfolded, the four carrying rods 23 are respectively rotated along the corresponding second positioning pins 22 to a position far away from the rotating seat 20, and the bottom of each carrying rod 23 stops rotating when reaching a position abutting against the corresponding second resisting part 24; when the supporting rod 13 and the bearing rod 23 need to be folded, the supporting rod 13 is directly rotated towards the direction of the fixed seat 10, and then the bearing rod 23 is rotated towards the direction of the rotating seat 20 until the supporting rod 13 and the bearing rod 23 are positioned on the same plane, so that the folding and storage can be quickly performed, and the operation is simple.

As shown in fig. 2 and 7, a folding joint structure further includes a fixing member 40 rotatably disposed above the rotating seat 20, where a plurality of inclined planes 41 are disposed on the fixing member 40, and each inclined plane 41 correspondingly abuts against the top of one of the bearing rods 23; in this embodiment, four inclined planes 41 are provided on the fixing member 40, and when the carrying rod 23 is unfolded, the fixing member 40 is rotated until each inclined plane 41 abuts against the top of the corresponding supporting rod 13, so as to fix the corresponding supporting rod 13, thereby being more stable; when the carrying rod 23 is required to be folded, the fixing piece 40 is rotated until each inclined surface 41 leaves the top of the corresponding supporting rod 13, the corresponding supporting rod 13 is released, and then the carrying rod 23 is folded.

As shown in fig. 8 and 9, the present utility model also relates to a folding chair comprising the above folding joint structure, the folding chair further comprising a seat cloth 50 and two sets of connection members 60, each set of connection members 60 comprising a connection rod 61, a first locking rod 62 and a second locking rod 63; one end of the first locking rod 62 is hinged with the connecting rod 61, the other end of the first locking rod 62 is connected with one end of the second locking rod 63, and the other end of the second locking rod 63 and the connecting rod 61 are connected with one bearing rod 23; the bearing rods 23 are four, wherein two bearing rods 23 are respectively connected with two connecting assemblies 60; one end of the seat cloth 50 is connected to the two connecting rods 61, and the other end of the seat cloth 50 is connected to the other two carrying rods 23.

The four support rods 13 are arranged, and the four support rods 13 are unfolded to form chair legs of the folding chair; the two groups of connecting components 60 and one end of the seat cloth 50 form the backrest of the folding chair, and the other end of the seat cloth 50 is connected with the other two bearing rods 23 to form the cushion of the folding chair.

When the folding chair needs to be unfolded, the four support rods 13 are rotated along the corresponding first positioning pins 12 to the positions far away from the fixed seat 10, and the top of each support rod 13 stops rotating when reaching the position abutting against the corresponding first resisting part 14, and at the moment, the four support rods 13 and the ground form a rectangular pyramid, so that the folding chair can be well manufactured; the four bearing rods 23 are respectively rotated along the corresponding second positioning pins 22 to a position far away from the rotating seat 20, and the rotation is stopped when the bottom of each bearing rod 23 reaches a position abutting against the corresponding second resisting part 24; the fixing piece 40 is rotated until each inclined surface 41 is abutted to the top of the corresponding supporting rod 13, and the corresponding supporting rod 13 is fixed; then the two connecting rods 61 are rotated anticlockwise, at this time, the first locking rod 62 and the second locking rod 63 rotate along with each other and are connected into the same straight line, so that the two connecting rods 61 are fixed at a specific angle; finally, the seat cloth 50 is unfolded to form a backrest and a seat cushion.

When the folding chair needs to be stored, the two connecting rods 61 are rotated clockwise to be respectively overlapped with the corresponding bearing rods 23; the fixing piece 40 is rotated until each inclined surface 41 leaves the top of the corresponding supporting rod 13, and the corresponding supporting rod 13 is released; finally, the four bearing rods 23 are rotated towards the direction of the fixed seat 10, and the four bearing rods 23 are rotated towards the direction of the rotating seat 20 until the supporting rods 13 and the bearing rods 23 are positioned at the same plane position.

The folding chair can be stored quickly, and the operation is simple; and by arranging the rotary seat 20, the seat surface of the folding chair can be rotated, and the folding chair is more flexible to use.

As shown in fig. 10, the present utility model further relates to a folding table, which comprises the above folding joint structure, and further comprises a table plate 70, wherein the table plate 70 is detachably disposed on the folding joint structure. The table 70 is foldable, belongs to the prior art, and consists of two vertical rods 71 and a plurality of cross rods 72 hinged together, so that the table 70 can be quickly stored, and then the folding joint is stored, so that the operation is simple and the use is convenient.

The above description should not be taken as limiting the scope of the utility model, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the utility model still fall within the scope of the technical solutions of the utility model.

Claims (4)

1. A folding joint structure, comprising: the device comprises a fixed seat (10) and a rotating seat (20) arranged above the fixed seat (10), wherein the rotating seat (20) is rotationally connected with the fixed seat (10) through a rotating shaft (30);

a plurality of first grooves (11) are formed in the opposite position of one end, far away from the rotating seat (20), of the fixed seat (10), a first positioning pin (12) and a supporting rod (13) are arranged in each first groove (11), and each first positioning pin (12) is correspondingly hinged with one supporting rod (13); a first resisting part (14) is correspondingly arranged in each first groove (11), and each first resisting part (14) is used for correspondingly abutting against the top of one supporting rod (13) so as to limit the supporting rod (13) to rotate;

a plurality of second grooves (21) are formed in the opposite position of one end, far away from the fixed seat (10), of the rotating seat (20), second positioning pins (22) and bearing rods (23) are arranged in each second groove (21), and each second positioning pin (22) is hinged with one bearing rod (23) correspondingly; and a second resisting part (24) is correspondingly arranged in each second groove (21), and each second resisting part (24) is used for correspondingly abutting against the bottom of one bearing rod (23) so as to limit the bearing rod (23) to rotate.

2. The folding joint structure according to claim 1, wherein: the rotary support is characterized by further comprising a fixing piece (40) which is rotatably arranged above the rotary seat (20), wherein a plurality of inclined planes (41) are arranged on the fixing piece (40), and each inclined plane (41) is correspondingly abutted with the top of one bearing rod (23).

3. A folding chair comprising a folding joint structure according to any one of claims 1-2, characterized in that the folding chair further comprises a seat cloth (50) and two sets of connection assemblies (60), each set of connection assemblies (60) comprising a connecting rod (61), a first locking rod (62) and a second locking rod (63); one end of the first locking rod (62) is hinged with the connecting rod (61), the other end of the first locking rod (62) is connected with one end of the second locking rod (63), and the other end of the second locking rod (63) and the connecting rod (61) are connected with one bearing rod (23); the number of the bearing rods (23) is four, wherein two bearing rods (23) are respectively connected with two connecting assemblies (60); one end of the seat cloth (50) is connected with the two connecting rods (61), and the other end of the seat cloth (50) is connected with the other two bearing rods (23).

4. A folding table comprising a folding joint structure according to any one of claims 1-2, characterized in that the folding table further comprises a table plate (70), said table plate (70) being detachably arranged in said folding joint structure.