CN210185063U

CN210185063U - Folding bar chair

Info

Publication number: CN210185063U
Application number: CN201921106937.1U
Authority: CN
Inventors: Quanjin Pu; 浦全锦
Original assignee: Hangzhou Lin'an Saimei Furniture Co Ltd
Current assignee: Hangzhou Lin'an Saimei Furniture Co Ltd
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-03-27
Anticipated expiration: 2029-07-15

Abstract

The utility model relates to a folding bar chair relates to household articles technical field, and it is big that there is occupation space in current bar chair, is unfavorable for the problem of transport, accomodating. The scheme comprises a seat board and seat legs arranged on the lower side of the seat board, wherein the seat legs comprise a plurality of sections of supporting units which are sequentially connected, adjacent supporting units are rotatably connected, a limiting mechanism is connected between the adjacent supporting units, and when long axes of the adjacent two supporting units are parallel, the limiting mechanism limits the relative rotation of the adjacent two supporting units; the supporting unit closest to the seat plate is rotatably connected to the seat plate, and a positioning mechanism is connected between the supporting unit closest to the seat plate and limits the rotation of the supporting unit closest to the seat plate when the long shaft of the supporting unit closest to the seat plate is in a vertical state or a horizontal state. This scheme can realize folding to do benefit to the transport and accomodate.

Description

Folding bar chair

Technical Field

The utility model belongs to the technical field of household articles technique and specifically relates to a folding bar chair is related to.

Background

The common classification of bar chairs is plastic bar chairs, iron bar chairs and wooden bar chairs, and the variety is various. With the improvement of eyes of consumers, the requirements on the material of the model of the bar chair are higher and higher. With the progress of the times, the bar chairs which are most familiar to the public also need to be qualitatively more and more advanced.

Most of the existing bar chairs are non-foldable, such as the novel bar chair disclosed in the Chinese invention patent with the application number of 201610625900.4, the novel bar chair mainly comprises components such as a backrest, a seat surface and chair feet, and the bar chair realizes the assembly and fixation of the components through hardware connecting pieces, but the bar chair also has disadvantages, when an operator needs to store the bar chair or carry the bar chair, because the bar chair is inconvenient to disassemble and assemble, the occupied storage space is large, and the bar chair is not favorable for carrying and storing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a folding bar chair can realize folding to do benefit to the transport and accomodate.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a folding bar chair comprises a seat board and chair legs arranged on the lower side of the seat board, wherein the chair legs comprise a plurality of sections of supporting units which are sequentially connected, adjacent supporting units are rotatably connected, a limiting mechanism is connected between the adjacent supporting units, and when long axes of the two adjacent supporting units are parallel, the limiting mechanism limits the two adjacent supporting units to rotate relatively; the supporting unit closest to the seat plate is rotatably connected to the seat plate, and a positioning mechanism is connected between the supporting unit closest to the seat plate and limits the rotation of the supporting unit closest to the seat plate when the long shaft of the supporting unit closest to the seat plate is in a vertical state or a horizontal state.

Through adopting above-mentioned technical scheme, when the operator need accomodate this bar chair, only need untie stop gear to adjacent supporting element's rotation restriction, then the supporting element that leans on can overturn and fold to the one side of the supporting element who leans on, after accomplishing folding back in proper order of all supporting elements, the operator can remove positioning mechanism to the rotation restriction of chair leg to overturn the chair leg to laminating in the bedplate downside, final very big occupation of land space that has reduced this bar chair does benefit to and accomodates and carry.

The utility model discloses further set up to: one side of the support unit close to the upper part is provided with a limiting hole, the wall of the limiting hole is provided with a semi-ring groove arranged around the central axis of the limiting hole, two ends of the semi-ring groove are provided with communicating grooves respectively, and the communicating grooves communicate the semi-ring groove with the hole opening of the limiting hole; the limiting mechanism comprises a rotating shaft fixedly penetrating through the support unit below, a limiting block fixed on the outer peripheral wall of the rotating shaft and connected in the semi-annular groove or the communicating groove in a sliding manner, an anti-falling part used for preventing the limiting block from falling out of an orifice of the limiting hole, a limiting assembly used for limiting the limiting block in the communicating groove and an elastic piece; one end of the rotating shaft penetrates into the limiting hole in a sliding mode, the support unit which is close to the upper portion rotates around the axis of the rotating shaft to the support unit which is close to the lower portion, and the length direction of the communicating groove is parallel to the axis direction of the rotating shaft; the elastic piece is connected between the end part of the rotating shaft and the bottom of the limiting hole.

By adopting the technical scheme, the communicating grooves at the two ends of the semi-ring groove are vertically arranged; when an operator overturns the lower supporting unit to enable the limiting block to slide to the uppermost end of the semi-ring groove, the two adjacent supporting units are in an overturned state, at the moment, the operator can pull the rotating shaft outwards to enable the limiting block to slide into the communicating groove, the limiting block is limited in the communicating groove by the limiting assembly, and finally the upper supporting unit cannot rotate relative to the lower supporting unit; when an operator overturns the support unit which is close to the lower support unit, the limiting block slides to the lowest end of the semi-ring groove, the two adjacent support units are in an overturning and folding state, at the moment, the operator can pull the rotating shaft outwards to enable the limiting block to slide into the communicating groove, the limiting block is limited in the communicating groove by the limiting assembly, and finally the support unit which is close to the upper support unit cannot rotate relative to the support unit which is close to the lower support unit.

The utility model discloses further set up to: anticreep portion fixed connection is in the support element who leans on, and the pivot is kept away from elastic component one end and is slided and pass anticreep portion, and the support element who leans on is located between support element and the anticreep portion that leans on.

Through adopting above-mentioned technical scheme, spacing hole and anticreep portion all can play the effect of support to the countershaft, and two strong points that form are located the both sides of the support element who leans on down respectively to make whole bearing structure more firm.

The utility model discloses further set up to: spacing subassembly is including being fixed in the pivot and keeping away from joint piece, the clearance cover in the spacing ring of pivot periphery of the periphery of elastic component one end, joint piece butt in anticreep portion keep away from on the lateral wall of the support element who leans on down, it has the sliding connection groove to open on the perisporium in the spacing ring, and sliding connection groove both ends all communicate out the spacing ring, the joint piece slides and inlays in the sliding connection inslot.

Through adopting above-mentioned technical scheme, when the stopper slided to the intercommunication inslot, operator's accessible control spacing subassembly so that the stopper stops in the intercommunication inslot, and can not get back to the semicircular inslot, then this moment, the support element who leans on and the support element who leans on down are in fixed state, unable relative rotation.

The utility model discloses further set up to: and a pull ring is fixed at one end of the rotating shaft, which is far away from the elastic part.

Through adopting above-mentioned technical scheme, the pull ring also helps the better pulling pivot of operator to control the stopper and slide between semi-ring groove and intercommunication groove.

The utility model discloses further set up to: the positioning mechanism comprises a mounting seat fixed on the lower side of the seat plate and a positioning pin which is slidably penetrated on the mounting seat, the supporting unit closest to the seat plate is rotatably connected to the mounting seat, and the axis of the positioning pin is parallel to the rotating axis of the supporting unit closest to the seat plate; two positioning holes are formed in the supporting unit closest to the seat plate, when the chair legs are in a vertical state, one end of each positioning pin penetrates into one positioning hole in a sliding mode, and when the chair legs are attached to the lower side of the seat plate, one end of each positioning pin penetrates into the other positioning hole in a sliding mode.

Through adopting above-mentioned technical scheme, can realize the rotation or the fixing of chair leg and bedplate through above-mentioned mode.

The utility model discloses further set up to: the lower side of the seat board is fixed with a containing sleeve, the containing sleeve and the seat board enclose a containing cavity, and the connecting parts of the chair legs and the seat board are all positioned in the containing cavity.

Through adopting above-mentioned technical scheme, the operator can accomodate the chair leg of accomplishing folding in accomodating the intracavity to protect the chair leg.

The utility model discloses further set up to: and a cushion block is fixed at one end of the chair leg far away from the seat plate.

Through adopting above-mentioned technical scheme, the cushion is used for increasing the area of contact of chair foot lower extreme and ground to improve stability.

To sum up, the utility model discloses a beneficial technological effect does:

1. the scheme can realize folding, thereby being beneficial to carrying and storage;

2. in this scheme, the operator accessible controls spacing subassembly so that the stopper stops in the intercommunication inslot, and can not get back to the semicircular inslot, then this moment, the support element who leans on and the support element who leans on down are in fixed state, unable relative rotation, and bar chair under this state can be used to the use, perhaps can prevent that the chair leg from turning up in the handling.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is a schematic sectional view of the present embodiment.

Fig. 3 is an enlarged schematic view at a in fig. 2.

Fig. 4 is an exploded view of the junction of the upper support unit and the lower support unit of fig. 3.

In the figure, 1, a seat plate; 11. a storage sleeve; 12. a receiving cavity; 2. chair legs; 21. a support unit; 3. a limiting mechanism; 31. a rotating shaft; 32. a limiting block; 33. an anti-drop part; 34. a limiting component; 341. a clamping block; 342. a limiting ring; 343. a sliding connection groove; 35. an elastic member; 36. a receiving space; 4. a positioning mechanism; 41. a mounting seat; 42. positioning pins; 43. positioning holes; 5. a limiting hole; 51. a half ring groove; 52. a communicating groove; 6. a pull ring; 7. and a cushion block.

Detailed Description

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

Referring to fig. 1 and 2, a foldable bar chair disclosed in the present invention comprises a seat plate 1 and four chair legs 2 installed at the lower side of the seat plate 1; the chair leg 2 comprises a plurality of sections of supporting units 21 which are sequentially connected, the supporting units 21 are in a long bar shape, adjacent supporting units 21 are rotatably connected, a limiting mechanism 3 is connected between the adjacent supporting units 21, and the limiting mechanism 3 is used for limiting the relative rotation of the two adjacent supporting units 21; the supporting unit 21 closest to the seat plate 1 is rotatably connected to the seat plate 1, and a positioning mechanism 4 is connected between the supporting unit 21 closest to the seat plate 1 and the seat plate 1, wherein the positioning mechanism 4 is used for limiting the relative rotation between the supporting unit 21 closest to the seat plate 1 and the seat plate 1.

In this embodiment, the number of the supporting units 21 of each chair leg is preferably two, and when the operator needs to store the bar chair, the operator only needs to unlock the rotation restriction of the limiting mechanism 3 on the adjacent supporting units 21, and then the supporting unit 21 below can be turned and folded to one side of the supporting unit 21 above, and after completing the sequential folding of all the supporting units 21, the operator can remove the rotation restriction of the positioning mechanism 4 on the chair legs, and turn the chair legs to be attached to the lower side of the seat plate 1, so that the occupied space of the bar chair is finally greatly reduced, and the bar chair is favorable for storage and transportation.

Referring to fig. 2, the positioning mechanism 4 includes: the end of the upper support unit 21 is rotatably connected to the mounting seat 41, and the axis of the positioning pin 42 is parallel to the rotation axis of the upper support unit 21. Two positioning holes 43 are formed in the upper supporting unit 21, and when the chair legs are turned downwards and are in a vertical state, one end of the positioning pin 42 penetrates into one positioning hole 43 in a sliding mode; when the legs are folded and attached to the underside of the seat plate 1, one end of the positioning pin 42 slides into the other positioning hole 43.

A containing sleeve 11 is fixed on the lower side of the seat board 1, a containing cavity 12 is enclosed by the containing sleeve 11 and the seat board 1, and the joints of all the chair legs 2 and the seat board 1 are located in the containing cavity 12. The operator can store the folded chair legs in the storage cavity 12, thereby protecting the chair legs.

Referring to fig. 3 and 4, one side of the upper supporting unit 21 is provided with a limiting hole 5, a semi-annular groove 51 arranged around the central axis of the limiting hole 5 is formed in the hole wall of the limiting hole 5, communicating grooves 52 are formed in two ends of the semi-annular groove 51, the communicating grooves 52 communicate the semi-annular groove 51 with the orifice of the limiting hole 5, and the two communicating grooves 52 are vertically arranged.

The limiting mechanism 3 comprises: the support device comprises a rotating shaft 31 fixedly penetrating through the lower support unit 21, a limiting block 32 fixed on the outer peripheral wall of the rotating shaft 31 and connected in the semi-annular groove 51 or the communication groove 52 in a sliding manner, a disengagement preventing part 33 used for preventing the limiting block 32 from disengaging to the outside of the opening of the limiting hole 5, a limiting assembly 34 used for limiting the limiting block 32 in the communication groove 52, and an elastic piece 35.

One end of the rotating shaft 31 penetrates into the limiting hole 5 in a sliding mode, the upper supporting unit 21 rotates around the axis of the rotating shaft 31 to the lower supporting unit 21, and the length direction of the communicating groove 52 is parallel to the axis direction of the rotating shaft 31; when an operator turns over the lower supporting unit 21 to slide the limiting block 32 to the uppermost end of the half-ring groove 51, two adjacent supporting units 21 are in a turning-out state, at this time, the operator can pull the rotating shaft 31 outwards to slide the limiting block 32 into the communicating groove 52, and finally the upper supporting unit 21 cannot rotate relative to the lower supporting unit 21; when the operator turns over the lower supporting unit 21 to slide the limiting block 32 to the lowest end of the half-ring groove 51, two adjacent supporting units 21 are in the turning-back and folding state, at this time, the operator can pull the rotating shaft 31 outwards to slide the limiting block 32 into the communicating groove 52, and finally the upper supporting unit 21 cannot rotate relative to the lower supporting unit 21.

The elastic member 35 is a spring, and the elastic member 35 is connected between the end of the rotating shaft 31 and the bottom of the hole 5 of the limiting hole, and can apply a pulling force of the rotating shaft 31 approaching the bottom of the hole 5 of the limiting hole.

The anti-falling part 33 is rod-shaped, the anti-falling part 33 is fixedly connected to the upper support unit 21, one end of the rotating shaft 31, far away from the elastic piece 35, slides through the anti-falling part 33, and the lower support unit 21 is positioned between the upper support unit 21 and the anti-falling part 33; a housing space 36 is formed between the retaining portion 33 and the upper support unit 21, and the lower support unit 21 can be folded in the housing space 36 while being turned upside down. The limiting hole 5 and the anti-dropping part 33 can support the rotating shaft 31, and two formed supporting points are respectively positioned at two sides of the supporting unit 21 which is close to the lower part, so that the whole supporting structure is more stable. When the stopper 32 completely slides into the communication groove 52 from the half-ring groove 51, the lower support unit 21 just abuts on the side of the retaining portion 33, thereby preventing the stopper 32 from coming out of the communication groove 52. The end of the rotating shaft 31 far away from the elastic member 35 is fixed with a pull ring 6, and the pull ring 6 also helps an operator to pull the rotating shaft 31 better and controls the stopper 32 to slide between the half ring groove 51 and the communicating groove 52.

When the stopper 32 slides into the communicating groove 52, the operator can control the stopper assembly 34 to make the stopper 32 stay in the communicating groove 52 without returning to the semi-annular groove 51, and at this time, the upper support unit 21 and the lower support unit 21 are in a fixed state and cannot rotate relatively. The spacing assembly 34 includes: the clamping block 341 fixed on the periphery of the end of the rotating shaft 31 far away from the elastic element 35 and the limit ring 342 sleeved on the periphery of the rotating shaft 31 in a clearance manner abut against one side wall of the anti-falling part 33 far away from the support unit 21 which is close to the lower side, two sliding grooves 343 are formed in the inner peripheral wall of the limit ring 342, the two sliding grooves 343 are symmetrically arranged along the axis of the limit ring 342, two ends of each sliding groove 343 are communicated with the limit ring 342, and the clamping block 341 is slidably embedded in the sliding grooves 343. In the process that the operator pulls out the limiting block 32 from the semi-ring groove 51 to the communicating groove 52, the clamping block 341 also slides out of the sliding connection groove 343, at the moment, the operator can rotate the limiting ring 342 around the axis of the limiting ring 342 to make the sliding connection groove 343 dislocated with the clamping block 341, once the operator releases the pull ring 6, the clamping block 341 is abutted against one side of the limiting ring 342 under the action of the pulling force of the elastic part 35, the limiting block 32 at the moment can not return to the semi-ring groove 51 from the communicating groove 52, and finally the upper supporting unit 21 and the lower supporting unit 21 are fixed.

Referring to fig. 1, a cushion block 7 is fixed at one end of the chair leg 2 far away from the seat plate 1, and the cushion block 7 is used for increasing the contact area between the lower end of the chair leg 2 and the ground, thereby improving the stability.

The implementation principle of the embodiment is as follows: when the operator needs to take in the bar chair, the operator only needs to untie the rotation limitation of the limiting mechanism 3 on the adjacent supporting units 21, then the supporting units 21 which are lower can be overturned and folded to be taken in the taking-in gap 36, after the folding of the two supporting units 21 is completed, the operator can remove the rotation limitation of the positioning mechanism 4 on the chair legs, and the chair legs are overturned to be taken in the taking-in cavity 12, so that the occupied space of the bar chair is finally greatly reduced, and the bar chair is favorable for taking in and carrying.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a folding bar chair, includes bedplate (1) and installs chair foot (2) in bedplate (1) downside, its characterized in that: the chair leg (2) comprises a plurality of sections of supporting units (21) which are sequentially connected, adjacent supporting units (21) are rotatably connected, a limiting mechanism (3) is connected between adjacent supporting units (21), and when long axes of two adjacent supporting units (21) are parallel, the limiting mechanism (3) limits two adjacent supporting units (21) to rotate relatively; the supporting unit (21) closest to the seat plate (1) is rotatably connected to the seat plate (1) and a positioning mechanism (4) is connected between the supporting unit and the seat plate (1), and when the long shaft of the supporting unit (21) closest to the seat plate (1) is in a vertical state or a horizontal state, the positioning mechanism (4) limits the rotation of the supporting unit (21) closest to the seat plate (1).

2. The folding bar chair of claim 1, wherein: one side of the support unit (21) close to the upper part is provided with a limiting hole (5), the wall of the limiting hole (5) is provided with a semi-ring groove (51) arranged around the central axis of the limiting hole (5), two ends of the semi-ring groove (51) are provided with communicating grooves (52), and the communicating grooves (52) are communicated with the semi-ring groove (51) and the hole openings of the limiting hole (5); the limiting mechanism (3) comprises a rotating shaft (31) fixedly penetrating through the supporting unit (21) below, a limiting block (32) fixed on the outer peripheral wall of the rotating shaft (31) and connected in the semi-annular groove (51) or the communicating groove (52) in a sliding manner, an anti-falling part (33) used for preventing the limiting block (32) from falling out of the hole opening of the limiting hole (5), a limiting assembly (34) used for limiting the limiting block (32) in the communicating groove (52), and an elastic piece (35); one end of the rotating shaft (31) penetrates into the limiting hole (5) in a sliding mode, the upper supporting unit (21) rotates around the axis of the rotating shaft (31) to the lower supporting unit (21), and the length direction of the communicating groove (52) is parallel to the axis direction of the rotating shaft (31); the elastic piece (35) is connected between the end part of the rotating shaft (31) and the bottom of the limiting hole (5).

3. The folding bar chair of claim 2, wherein: the anti-falling part (33) is fixedly connected to the support unit (21) on the upper side, one end, far away from the elastic piece (35), of the rotating shaft (31) penetrates through the anti-falling part (33) in a sliding mode, and the support unit (21) on the lower side is located between the support unit (21) on the upper side and the anti-falling part (33).

4. A folding bar chair as claimed in claim 3, wherein: spacing subassembly (34) including be fixed in joint piece (341) of pivot (31) the periphery of keeping away from elastic component (35) one end, spacing ring (342) in pivot (31) periphery, joint piece (341) butt is kept away from in anticreep portion (33) on the lateral wall of support element (21) that leans on down, division has sliding connection groove (343) on spacing ring (342) internal perisporium, and sliding connection groove (343) both ends all communicate spacing ring (342), joint piece (341) slide inlay in sliding connection groove (343).

5. The folding bar chair of claim 4, wherein: and a pull ring (6) is fixed at one end of the rotating shaft (31) far away from the elastic piece (35).

6. The folding bar chair of claim 1, wherein: the positioning mechanism (4) comprises an installation seat (41) fixed on the lower side of the seat plate (1) and a positioning pin (42) which is slidably penetrated on the installation seat (41), the supporting unit (21) closest to the seat plate (1) is rotatably connected to the installation seat (41), and the axis of the positioning pin (42) is parallel to the rotating axis of the supporting unit (21) closest to the seat plate (1); two positioning holes (43) are formed in the supporting unit (21) closest to the seat plate (1), when the chair legs are in a vertical state, one end of each positioning pin (42) penetrates into one positioning hole (43) in a sliding mode, and when the chair legs are attached to the lower side of the seat plate (1), one end of each positioning pin (42) penetrates into the other positioning hole (43) in a sliding mode.

7. The folding bar chair of claim 1, wherein: a containing sleeve (11) is fixed on the lower side of the seat board (1), a containing cavity (12) is enclosed by the containing sleeve (11) and the seat board (1), and joints of the chair legs (2) and the seat board (1) are located in the containing cavity (12).

8. The folding bar chair of claim 1, wherein: a cushion block (7) is fixed at one end of the chair leg (2) far away from the seat board (1).