CN211459478U - Spliced chair - Google Patents

Abstract

The utility model discloses a concatenation chair is equipped with 4 frame mounting grooves and three supporting legs mounting groove on the square steel, the frame mounting groove is the rectangle form and sets up along the circumference direction of square steel with the supporting legs mounting groove, and four frames are two liang to be a set of, are equipped with the jack on every frame, all are equipped with the grafting round pin at the both ends of seat and the both ends of back, set up a bedplate and a back between two frames of every group, and bedplate and back peg graft in the jack that corresponds position department on the frame through the grafting round pin that corresponds, all be equipped with the cassette of U-shaped form on supporting legs and frame, supporting legs and frame correspond the card through the cassette and establish in supporting legs mounting groove and frame mounting groove. The utility model discloses convenient loading and unloading are convenient for accomodate, and the space that occupies when accomodating is little, and the seat is comfortable, excellent in use effect.

Description

Spliced chair

The technical field is as follows:

the utility model relates to a concatenation chair.

Background art:

when arranging interim meeting place or performance place, need use a lot of stools, the square stool that adopts the rectangle form is many to the current, uses the completion after, accomodates the stool each other superposes. After the square stools are overlapped and stored, the occupied space is still large, and in addition, when the stools are used for a long time, the stools are comfortable to use without chairs. Therefore, a chair which can be conveniently assembled and disassembled is needed, and the comfort level of the chair is ensured while the chair is convenient to store.

The invention content is as follows:

the utility model provides a splicing chair for solving the problems existing in the prior art.

The utility model discloses the technical scheme who adopts has: a spliced chair comprises supporting legs, square steel, chair frames, seat plates and a backrest, wherein the square steel is provided with 4 chair frame mounting grooves and three supporting leg mounting grooves, the chair frame mounting grooves and the supporting leg mounting grooves are rectangular and are arranged along the circumferential direction of the square steel, four chair frames are divided into a group in pairs, each chair frame is provided with a jack, two ends of each seat plate and two ends of each backrest are respectively provided with an inserting pin, one seat plate and one backrest are arranged between every two chair frames, the seat plates and the backrests are inserted into the jacks at corresponding positions on the chair frames through the corresponding inserting pins, the supporting legs and the chair frames are respectively provided with a U-shaped clamping seat, and the supporting legs and the chair frames are correspondingly clamped in the supporting leg mounting grooves and the chair frame mounting grooves through the clamping seats;

all be equipped with spacing hole in chair frame mounting groove and supporting legs mounting groove, every be equipped with the spliced eye on a side in the cassette, the spliced eye is for having the step hole structure of big hole portion and aperture portion, and the aperture position is located the outside of big hole portion, has the spacing bolt of bolt head and screw thread post at the pegging graft downthehole peg graft, and the screw thread post of spacing bolt runs through in the spliced eye, just the bolt head accomodate in the big hole portion two nuts of threaded connection on the screw thread post, the outside of cassette is arranged in to the nut.

Furthermore, a rectangular groove is formed in the inner wall of the upper end of the limiting hole, a limiting rib matched with the rectangular groove is arranged on the side wall of the bolt head in the limiting bolt, and after the clamping seat is assembled with the chair frame mounting groove or the supporting leg mounting groove, the limiting rib on the bolt head is inserted into the limiting hole along the rectangular groove.

Furthermore, the supporting legs are of T-shaped structures, and anti-skidding sleeves are sleeved on the supporting legs.

Furthermore, the chair frame is provided with armrests.

Furthermore, rubber pads are wrapped on the seat plate and the backrest.

The utility model discloses following beneficial effect has:

the utility model discloses convenient loading and unloading are convenient for accomodate, and the space that occupies when accomodating is little, and the seat is comfortable, excellent in use effect.

Description of the drawings:

fig. 1 is a structural diagram of the present invention.

Fig. 2 is a structural diagram of the middle chair frame and the clamping seat on the supporting foot of the utility model.

Fig. 3 is a partial enlarged view of the square steel of the present invention.

The specific implementation mode is as follows:

the present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1 to 3, the utility model relates to a splicing chair, which comprises a supporting leg 1, a square steel 2, a chair frame 3, a seat board 4 and a backrest 5.

Be equipped with 4 seat mounting grooves 21 and three supporting legs mounting groove 22 on square steel 2, seat mounting groove 21 is the rectangle form and sets up along the circumference direction of square steel 2 with supporting legs mounting groove 22, four 3 two liang are a set of chair framves, be equipped with the jack on every chair frame 3, both ends at seat 4 and the both ends of back 5 all are equipped with grafting round pin 7, set up a bedplate 4 and a back 5 between two chair frames 3 of every group, and bedplate 4 and back 5 peg graft in the jack of corresponding position department on chair frame 3 through corresponding grafting round pin 7. The two chair frames 3, a seat plate 4 and a backrest 5 jointly form a chair body.

The supporting legs 1 and the chair frame 3 are respectively provided with a U-shaped clamping seat 6, and the supporting legs 1 and the chair frame 3 are correspondingly clamped in the supporting leg mounting grooves 22 and the chair frame mounting grooves 21 through the clamping seats 6.

The cooperation installation of cassette 6 and mounting groove realizes the assembly between chair body and supporting legs 1 and the square steel, adopts the cassette 6 of square steel and U shape, can avoid the relative rotation between the structure, guarantees stability.

In order to further ensure the stability of the structure, an inserting hole 61 is arranged on one side edge of each clamping seat 6, the inserting hole 61 is of a stepped hole structure with a large hole part and a small hole part, the small hole part is positioned on the outer side of the large hole part, a limiting bolt 62 with a bolt head and a threaded column is inserted in the inserting hole 61, the threaded column of the limiting bolt 62 penetrates through the inserting hole 61, the bolt head is accommodated in the large hole part, two nuts are connected to the threaded column in a threaded manner, and the nuts are arranged on the outer side of the clamping seats 6.

Limiting holes 200 are formed in the chair frame mounting groove 21 and the supporting leg mounting groove 22, rectangular grooves 201 are formed in the inner walls of the upper ends of the limiting holes 200, and limiting ribs 63 matched with the rectangular grooves 201 are formed in the side walls of the bolt heads in the limiting bolts 62.

When the clamping seat 6 is installed in a matched mode with the installation groove, the bolt head is firstly contained in the large hole portion, the smoothness of the inner wall surface of the clamping seat 6 is guaranteed, and installation interference between the clamping seat 6 and the installation groove due to the bolt head is avoided.

After the clamping seat 6 is assembled with the seat frame mounting groove 21 or the supporting leg mounting groove 22, the limiting rib 63 on the bolt head is inserted into the limiting hole 200 along the rectangular groove 201. The limiting ribs 63 can effectively prevent the limiting bolts 62 from being separated from the inserting holes 61.

The utility model provides a supporting legs 1 is T shape structure, and the cover is equipped with anti-skidding cover on supporting legs 1.

In order to increase comfort, the seat frame 3 is provided with armrests 33, and the seat plate 4 and the backrest 5 are wrapped with rubber pads.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims (5)

1. A spliced chair is characterized in that: comprises supporting legs (1), square steel (2), chair frames (3), a seat board (4) and a backrest (5), wherein the square steel (2) is provided with 4 chair frame mounting grooves (21) and three supporting leg mounting grooves (22), the chair frame mounting grooves (21) and the supporting leg mounting grooves (22) are rectangular and are arranged along the circumferential direction of the square steel (2), four chair frames (3) are arranged in a group in pairs, each chair frame (3) is provided with a jack, two ends of the seat board (4) and two ends of the backrest (5) are respectively provided with a plug pin (7), a seat board (4) and a backrest (5) are arranged between the two chair frames (3) of each group, the seat board (4) and the backrest (5) are plugged in the jacks at corresponding positions on the chair frames (3) through the corresponding plug pins (7), and U-shaped clamping seats (6) are respectively arranged on the supporting legs (1) and the chair frames (3), the supporting legs (1) and the chair frame (3) are correspondingly clamped in the supporting leg mounting grooves (22) and the chair frame mounting grooves (21) through clamping seats (6);

all be equipped with spacing hole (200) in chair frame mounting groove (21) and supporting legs mounting groove (22), every be equipped with spliced eye (61) on a side in cassette (6), spliced eye (61) are for having the step hole structure of big hole portion and aperture portion, and the aperture position is in the outside of big hole portion, and it has spacing bolt (62) of bolt head and screw thread post to peg graft in spliced eye (61), and the screw thread post of spacing bolt (62) runs through in spliced eye (61), just the bolt head accomodate in the big hole portion two nuts of threaded connection on the screw thread post, the outside of cassette (6) is arranged in to the nut.

2. The jointed chair of claim 1, wherein: be equipped with rectangular channel (201) on the upper end inner wall of spacing hole (200), be equipped with in spacing bolt (62) on the lateral wall of bolt head with spacing muscle (63) of rectangular channel (201) looks adaptation, cassette (6) and chair frame mounting groove (21) or supporting legs mounting groove (22) assembly back, spacing muscle (63) on the bolt head along rectangular channel (201) insert in spacing hole (200).

3. The jointed chair of claim 1, wherein: the supporting legs (1) are of T-shaped structures, and anti-skidding sleeves are sleeved on the supporting legs (1).

4. The jointed chair of claim 1, wherein: the chair frame (3) is provided with armrests (33).

5. The jointed chair of claim 1, wherein: the seat board (4) and the backrest (5) are wrapped by rubber pads.

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