CN217695702U - Bridge chair with waist supporting function - Google Patents

Abstract

The utility model discloses a bridge chair with top waist function, belong to chair technical field, including side component portion and well component portion, component portion includes preceding crossing pipe and back crossing pipe in the aforesaid, above-mentioned side component portion includes preceding foot pipe and the back pipe that connects through preceding foot slip cap, be fixed with back limited slip cover on the back pipe of preceding foot slip cap downside, back pipe top is equipped with appurtenance pipe slip cover, appurtenance pipe slip cover is outside at back appurtenance pipe upside, back appurtenance pipe lower extreme is articulated with back position sleeve, back position sleeve sets up in the cushion outside of tubes, one side that the cushion pipe leans on to back position sleeve is equipped with the cross fixation cover, one side and the handrail connection piece middle part of cross fixation cover are articulated, the opposite side of cross fixation cover is equipped with the enhancement connection piece, it is articulated with the articulated elements of bending, the bending of strengthening the connection piece is articulated with preceding crossing pipe upper end, this bridge chair with top waist function, laminating user's back that can be good and accomodate the occupation space little.

Description

Bridge chair with waist supporting function

Technical Field

The utility model belongs to the technical field of the chair, concretely relates to bridge chair with top waist function.

Background

The bridge chair is one of a plurality of branches of chairs, is essentially a folding chair, is a seat with a backrest and armrests, is attractive and fashionable in modern chair pursuit, is not used as a seat alone any more, and is more convenient for human life under the combination of science and technology.

The bridge often need carry desk and chair at the in-process of playing, and the bridge is card game, the scene of playing can also be outdoor indoor, as long as there is desk and chair can, the part is liked that the player of playing the bridge in the open air often can carry folding desk and folding chair, current folding chair usually has two great cross frame to constitute, the overall structure of two frames is unchangeable after accomodating in this structure, the structure after accomodating is a great platelike structure, occupation space is great and take the line inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bridge chair with top waist function to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a bridge chair with a waist supporting function comprises a side component part and a middle component part, wherein the middle component part comprises a front cross pipe and a rear cross pipe, the side component part comprises a front foot pipe and a backrest pipe which are connected through a front foot sliding sleeve, a rear anti-slip sleeve is fixed on the backrest pipe on the lower side of the front foot sliding sleeve, an auxiliary pipe sliding sleeve is arranged at the top of the backrest pipe and is sleeved outside the upper side of the backrest auxiliary pipe in a sliding mode, the lower end of the backrest auxiliary pipe is hinged with a backrest positioning sleeve, the backrest positioning sleeve is sleeved outside a seat cushion pipe, a cross fixing sleeve is arranged on one side, back to the backrest positioning sleeve, of the seat cushion pipe, one side of the cross fixing sleeve is hinged with the middle of a handrail supporting pipe, and a reinforcing connecting piece is arranged on the other side of the cross fixing sleeve.

Preferably, the reinforcing connecting piece is hinged with the bending hinged piece, the bending hinged piece connected with the reinforcing connecting piece is hinged with the upper end of the front cross pipe, and one end of the seat cushion pipe, which faces back to the cross fixing sleeve, is hinged with the middle part of the backrest pipe.

Preferably, the front foot sliding sleeve is hinged with the top of the front foot pipe, the front foot sliding sleeve is sleeved outside the upper side of the backrest pipe, and a rear stop sliding sleeve is fixedly sleeved on the backrest pipe below the front foot sliding sleeve.

Preferably, the side surface of the rear-stop sliding sleeve is hinged with a handrail tube, and a handrail sliding groove piece for accommodating the upper end of the rear cross tube is fixed below one end of the handrail tube back to the front foot sliding sleeve.

Preferably, a front bottom plate is arranged at the lower end of the front leg tube, a rear bottom plate is arranged at the lower end of the backrest tube, and the side surface of the rear bottom plate is hinged with the lower end of the rear cross tube through a bending hinge piece.

Preferably, the lower side of the front leg tube is sleeved with a front slip-stopping sleeve and a supporting slip sleeve, the lower end of the handrail supporting tube is hinged with the supporting slip sleeve, the side surface of the front slip-stopping sleeve is hinged with the lower end of the front cross tube through a bending hinge, and the side surface of the front leg slip sleeve is hinged with the upper end of the rear cross tube through a bending hinge.

The utility model discloses a technological effect and advantage:

this bridge chair with top waist function, adopt preceding foot pipe, the back pipe, the seat cushion pipe, the handrail pipe, the scheme that handrail stay tube and back attach the pipe in coordination with folding realizes accomodating of the side component portion of unilateral, the articulated structure of preceding cross pipe and back cross pipe is accomplished in accomodating of component portion and is drawn close the side component portion of both sides, this scheme does not adopt the articulated structure of double-frame, overall structure after accomodating is the strip of a rectangle, this scheme is compared in the traditional space that occupies of accomodating the scheme littleer, the user portable demand has been satisfied.

Drawings

Fig. 1 is a schematic diagram of a left side structure of an expanded state according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a point a in fig. 1 according to an embodiment of the present invention;

fig. 3 is a right side structural diagram of the expanded state of the embodiment of the present invention;

fig. 4 is a schematic view of a storage state structure according to an embodiment of the present invention.

In the figure: 1. a front leg tube; 2. a back tube; 3. a seat cushion tube; 4. a handrail tube; 5. a handrail supporting tube; 6. a backrest attachment tube; 7. a front cross pipe; 8. a back cross pipe; 9. bending the hinge piece; 11. a front chassis; 12. a rear floor; 13. a front stop sliding sleeve; 14. supporting the sliding sleeve; 15. fixing the sleeve in a crossed manner; 1501. reinforcing the connecting sheet; 16. a backrest positioning sleeve; 17. a handrail sliding channel member; 18. a forefoot sliding sleeve; 19. an accessory pipe sliding sleeve; 20. and a rear stop sliding sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a bridge chair with a waist-pushing function comprises a side member part and a middle member part, wherein the side member part comprises a front leg pipe 1 and a back rest pipe 2 which are connected through a front leg sliding sleeve 18, the front leg sliding sleeve 18 is in sliding connection with the back rest pipe 2, the front leg sliding sleeve 18 is hinged with the top of the front leg pipe 1, and the front leg sliding sleeve 18 is sleeved outside the upper side of the back rest pipe 2;

a rear anti-slip sleeve 20 is fixed on the backrest tube 2 at the lower side of the front foot sliding sleeve 18, the rear anti-slip sleeve 20 limits the downward sliding amplitude of the front foot sliding sleeve 18, an auxiliary tube sliding sleeve 19 hinged with the backrest tube 2 is arranged at the top of the backrest tube 2, the auxiliary tube sliding sleeve 19 is in sliding connection with the backrest auxiliary tube 6, the auxiliary tube sliding sleeve 19 is sleeved outside the upper side of the backrest auxiliary tube 6, the lower end of the backrest auxiliary tube 6 is hinged with a backrest positioning sleeve 16, the backrest positioning sleeve 16 is sleeved outside the seat cushion tube 3, a cross fixing sleeve 15 is arranged on one side of the seat cushion tube 3, which is back to the backrest positioning sleeve 16, one side of the cross fixing sleeve 15 is hinged with the middle of the armrest supporting tube 5, a reinforced connecting sheet 1501 is arranged on the other side of the cross fixing sleeve 15, the reinforced connecting sheet 1501 is hinged with a bent hinge piece 9, the bent hinge piece 9 connected with the reinforced connecting sheet 1501 is hinged with the upper end of the front cross tube 7, and the bent hinge piece 9 on the side of the reinforced connecting sheet 1501 is respectively in rotating connection with the front cross fixing sleeve 7 and the cross fixing sleeve 15.

Referring to fig. 1-4, one end of the cushion tube 3, which faces away from the cross fixing sleeve 15, is hinged to the middle of the backrest tube 2, the lower side of the front leg tube 1 is sleeved with a front anti-slip sleeve 13 and a support sliding sleeve 14, the lower end of the armrest support tube 5 is hinged to the support sliding sleeve 14, the side of the front anti-slip sleeve 13 is hinged to the lower end of the front cross tube 7 through a bending hinge 9, the side of the front leg sliding sleeve 18 is hinged to the upper end of the rear cross tube 8 through the bending hinge 9, the backrest tube 2 below the front leg sliding sleeve 18 is sleeved and fixed with a rear anti-slip sleeve 20, the side of the rear anti-slip sleeve 20 is hinged to the armrest tube 4, and the lower end of the armrest tube 4, which faces away from the front leg sliding sleeve 18, is fixed with an armrest sliding groove 17;

the upper end of the rear cross pipe 8 is positioned in the handrail sliding groove 17 and is in sliding connection with the handrail sliding groove 17, the upper end of the handrail supporting pipe 5 is provided with a shaft, the shaft at the upper end of the handrail supporting pipe 5 penetrates through groove-shaped parts at two sides of the handrail sliding groove 17, two ends of the shaft at the upper end of the handrail supporting pipe 5 are sleeved with nuts for limiting, and the handrail supporting pipe 5 and the handrail sliding groove 17 can also be of a structure matched with a sliding block;

the middle parts of two back cross pipes 8 are hinged with each other through a hinge shaft, the middle parts of two front cross pipes 7 are hinged with each other through a hinge shaft, the front cross pipes 7 and the back cross pipes 8 form a middle component part, a front bottom plate 11 is fixed at the lower end of a front foot pipe 1, a back bottom plate 12 is fixed at the lower end of a back rest pipe 2, a bending hinge 9 hinged with the lower end of the back cross pipe 8 is fixed on the side surface of the back bottom plate 12, the bending hinge 9 is a universal hinge part of the front cross pipes 7 and the back cross pipes 8, the bending of a back rest auxiliary pipe 6 faces to a cross fixing sleeve 15, and the bending contour of the cross fixing sleeve 15 is in fit with the bending contour of human backbone.

The working principle is as follows:

the bridge chair with the waist supporting function has the advantages that when the bridge chair is used, the cross structure formed by the rear cross pipe 8 and the front cross pipe 7 of the middle component part has high stability, when the rear cross pipe 8 and the front cross pipe 7 of the middle component part are unfolded, the side component part can be unfolded cooperatively, the lower end of the front foot pipe 1 is replaced by the front bottom plate 11 to be in contact with the ground, the lower end of the backrest pipe 2 is replaced by the rear bottom plate 12 to be in contact with the ground, the pressure acting on the ground is reduced and the friction force with the ground is increased by the front bottom plate 11 and the rear bottom plate 12, the lower sliding position of the supporting sliding sleeve 14 is limited by the front stop sliding sleeve 13, the lower sliding position of the front foot sliding sleeve 18 is limited by the rear stop sliding sleeve 20, and when the front foot pipe 1 and the backrest pipe 2 are placed in the unfolded state, the cushion pipe 3 and the armrest pipe 4 can be kept in a horizontal state through the cooperative positioning action of the backrest positioning sleeve 16, the armrest sliding chute pieces 17, the front foot sliding sleeve 18 and the auxiliary pipe sliding sleeve 19;

the cloth that constitutes the seatpad is fixed outside the seatpad pipe 3, and the cloth that constitutes the back is fixed outside the back appurtenance pipe 6, and the end of tubulose components such as seatpad pipe 3, handrail pipe 4 and back appurtenance pipe 6 all is filled with the end cap, avoids the piping edge fish tail user.

The above description is only the specific implementation manner of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art should be covered within the protection scope of the present invention in the technical scope disclosed by the present invention, according to the technical solution of the present invention and the concept of the present invention, equivalent replacement or change is added.

Claims (6)

1. A bridge chair with a waist-supporting function comprises a side component part and a middle component part, and is characterized in that: well component part includes preceding cross pipe (7) and back cross pipe (8), side component part includes preceding foot pipe (1) and back pipe (2) connected through preceding foot slip cap (18), be fixed with back limited slip cover (20) on back pipe (2) of preceding foot slip cap (18) downside, back pipe (2) top is equipped with appurtenance pipe slip cap (19), appurtenance pipe slip cap (19) are outside at back appurtenance pipe (6) upside, back appurtenance pipe (6) lower extreme is articulated with back position sleeve (16), back position sleeve (16) are established in cushion pipe (3) outside, one side that cushion pipe (3) backed to back position sleeve (16) is equipped with cross fixed cover (15), one side and handrail support tube (5) middle part of cross fixed cover (15) are articulated, the opposite side of cross fixed cover (15) is equipped with strengthens connection piece (1501).

2. The bridge chair with the waist-pushing function as claimed in claim 1, wherein: the reinforced connecting piece (1501) is hinged to a bending hinge piece (9), the bending hinge piece (9) connected with the reinforced connecting piece (1501) is hinged to the upper end of a front cross pipe (7), and one end, back to the cross fixing sleeve (15), of the seat cushion pipe (3) is hinged to the middle of the backrest pipe (2).

3. The bridge chair with the waist-pushing function as claimed in claim 1, wherein: the front foot sliding sleeve (18) is hinged to the top of the front foot pipe (1), the front foot sliding sleeve (18) is sleeved on the outer portion of the upper side of the backrest pipe (2), and a rear anti-slip sleeve (20) is fixedly sleeved on the backrest pipe (2) below the front foot sliding sleeve (18).

4. A bridge chair with a waist-pushing function as claimed in claim 3, wherein: the side surface of the rear anti-slip sleeve (20) is hinged with the handrail tube (4), and a handrail sliding groove piece (17) for accommodating the upper end of the rear cross tube (8) is fixed below one end of the handrail tube (4) back to the front foot sliding sleeve (18).

5. The bridge chair with the waist-supporting function as claimed in claim 1, wherein: the lower end of the front foot tube (1) is provided with a front bottom plate (11), the lower end of the backrest tube (2) is provided with a rear bottom plate (12), and the side surface of the rear bottom plate (12) is hinged with the lower end of the rear cross tube (8) through a bending hinge piece (9).

6. The bridge chair with the waist-pushing function as claimed in claim 1, wherein: preceding foot pipe (1) downside cover is equipped with preceding sliding sleeve (13) and support sliding sleeve (14), handrail stay tube (5) lower extreme is articulated with support sliding sleeve (14), preceding sliding sleeve (13) side is articulated with preceding cross pipe (7) lower extreme through bending articulated elements (9), the side of preceding foot sliding sleeve (18) is articulated with back cross pipe (8) upper end through bending articulated elements (9).

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