CN218651103U - Sofa chair - Google Patents

Abstract

The utility model relates to the technical field of furniture, specifically a sofa. Including seat face, back and supporting leg with adjustable angle, the position is articulated to have a support frame below the back, and the gyro wheel is installed to support frame bottom position, and the position is provided with the pull rod between support frame and the supporting leg, and the pull rod is close to supporting leg one end and is articulated with the supporting leg, and the pull rod is close to support frame one end and is provided with waist type hole, the fixed slide bar that is provided with waist type hole adaptation on the support frame. The chair is prevented from overturning when lying.

Description

Sofa chair

Technical Field

The utility model relates to the technical field of furniture, in particular to a sofa.

Background

Various types of sofa chairs are available in the market, including leather, cloth, metal, rattan, solid wood, etc. The sofa chair with the adjustable backrest is more practical for office workers, and can be used for office work and rest.

The prior art has the publication numbers as follows: CN 204132901U: a sofa chair comprises a seat face, a seat face support, a backrest support, seat face support legs, backrest support legs and foldable handrails, wherein the seat face is fixedly connected with the seat face support, the backrest is fixedly connected with the backrest support, the seat face support is connected with the backrest support in a hinged mode through … …, one end of each bearing leg is connected with two sides of the other end, connected with the seat face support at one end of the seat face, in a hinged mode, and a connecting shaft is arranged between the bearing legs, and idler wheels are arranged at two ends of the axial direction of the connecting shaft. As disclosed in publication No.: CN 216675263U's a sofa, back, handrail and supporting leg including seat face, angle adjustable, can dismantle on the seat face and be provided with first cushion, the fixed second cushion that is provided with on the handrail, the position is provided with the head rod that is located the left side position and the second connecting rod that is located the right side position between handrail bottom and the seat face, head rod and second connecting rod top are equallyd divide and are do not articulated with the handrail, and the bottom is equallyd divide and is articulated with the seat face respectively, a plurality of fixed orificess 3242 fixed orifices … … have been seted up to the seat face front and back outer wall position still when the angle, pull board upper portion left side rigidity is provided with the supporting shoe.

According to the technical scheme, after the angle of the backrest is adjusted, when the user lies on the backrest for rest, the situation of unstable gravity center easily exists, and the phenomenon of overturning easily occurs when the angle of the backrest is adjusted too much or the lying posture is close to one side of the backrest.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to solve the above problems in the prior art, the utility model provides a sofa chair, can avoid taking place the phenomenon of toppling when lying and having a rest.

(II) technical scheme

In order to achieve the above object, the utility model discloses a main technical scheme include:

the utility model provides a sofa chair, includes back and supporting leg that seat face, angle are adjustable, back below position articulates there is the support frame, the gyro wheel is installed to support frame bottom position, the position is provided with the pull rod between support frame and the supporting leg, the pull rod is close to supporting leg one end and is articulated with the supporting leg, the pull rod is close to support frame one end and is provided with waist type hole, the fixed slide bar that is provided with waist type hole adaptation on the support frame. The chair is prevented from overturning when lying.

Preferably, the top of the support frame is hinged with the backrest through a rotating shaft and a torsion spring.

Preferably, the seat surface is provided with a cushion.

Preferably, the front and back parts of the seat surface are provided with armrests.

Preferably, one end, far away from the support frame, of the sliding rod is fixedly provided with a limiting block.

(III) advantageous effects

The utility model provides a sofa. The method has the following beneficial effects:

(1) When the chair is in a lying state, the bottom of the support frame rolls towards the right side, and the support for the backrest can be realized by matching with the upper pull rod, so that the chair is prevented from overturning.

(2) When the seat back is perpendicular to the seat surface, the supporting frame is lifted to be close to the back, and the space occupation is reduced.

Drawings

Fig. 1 is a perspective view of the present invention.

In the figure: 1. a seat surface; 2. a backrest; 3. supporting legs; 4. a support frame; 5. a roller; 6. a pull rod; 7. a kidney-shaped hole; 8. a slide bar; 9. a soft cushion; 10. an armrest.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

As shown in fig. 1, the sofa chair of this embodiment, including seat 1, back 2 and supporting leg 3 with adjustable angle, back 2 below position articulates there is support frame 4, and gyro wheel 5 is installed to support frame 4 bottom position, and the position is provided with pull rod 6 between support frame 4 and the supporting leg 3, and pull rod 6 is close to supporting leg 3 one end and is articulated with supporting leg 3, and pull rod 6 is close to support frame 4 one end and is provided with waist type hole 7, fixes being provided with the slide bar 8 with waist type hole 7 adaptation on the support frame 4. When the backrest 2 is turned over and opened, the bottom of the support frame 4 hinged with the backrest 2 moves rightwards under the action of the idler wheels 5, the support of the backrest 2 is realized, in the process of the movement of the support frame 4, the pull rod 6 hinged with the support leg 3 rotates, meanwhile, the slide rod 8 positioned on the support frame 4 slides in the waist-shaped hole 7, when the slide rod slides to the extreme position on the right side, the limit of the support frame 4 is realized, and at the moment, the support frame 4 realizes the stable support of the backrest 2.

Furthermore, the top of the support frame 4 is hinged with the backrest 2 through a rotating shaft and a torsion spring.

Further, a cushion 9 is arranged on the seat surface 1. The comfort of the sofa is increased.

Furthermore, armrests 10 are disposed on the front and back of the seat surface 1.

Furthermore, a limiting block is fixedly arranged at one end of the sliding rod 8 far away from the support frame 4.

The working principle is as follows: when opening the back, move under gyro wheel 5's effect with 4 bottoms of back 2 articulated support frame, slide bar 8 on the support frame 4 slides in waist type hole 7, when user's head is rested head on back 2, 4 bottoms of back 2's activity oppression support frame continue to move to the right side, when slide bar 8 slides waist type hole 7 right side extreme position, 4 bottoms of support frame no longer move to the right side, realize spacing to the support frame, when user's head is rested head on back 2, support frame 4 can support back 2, guarantee the holistic stability of sofa chair, when needing to reset back 2, it resets to rotate back 2, back 2 resets when resetting, support frame 4 resets under the effect of torsional spring, support frame 4 is close to the back.

Claims (5)

1. The utility model provides a sofa chair, includes seat face (1), back (2) and supporting leg (3) that the angle is adjustable, its characterized in that: backrest (2) below position articulates there is support frame (4), gyro wheel (5) are installed to support frame (4) bottom position, the position is provided with pull rod (6) between support frame (4) and supporting leg (3), pull rod (6) are close to supporting leg (3) one end and are articulated with supporting leg (3), pull rod (6) are close to support frame (4) one end and are provided with waist type hole (7), fixed slide bar (8) that are provided with waist type hole (7) adaptation on support frame (4).

2. A sofa as in claim 1, wherein: the top of the support frame (4) is hinged with the backrest (2) through a rotating shaft and a torsion spring.

3. A sofa as in claim 1, wherein: the seat surface (1) is provided with a soft cushion (9).

4. A sofa as in claim 1, wherein: the front and back parts of the seat surface (1) are provided with handrails (10).

5. A sofa as in claim 1, wherein: and a limiting block is fixedly arranged at one end of the sliding rod (8) far away from the support frame (4).

Images