CN213154922U

CN213154922U - Multifunctional folding chair

Info

Publication number: CN213154922U
Application number: CN202020788370.7U
Authority: CN
Inventors: 蒲文军; 薛宏森; 孙德和
Original assignee: Mingchen Tangshan Aerospace Electronic Equipment Technology Co ltd
Current assignee: Beijing Xintongda Mechanical And Electrical Equipment Technology Co ltd
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2021-05-11
Anticipated expiration: 2030-05-13

Abstract

The utility model discloses a multifunctional folding chair, including seat, the back of the chair, handrail, main movable rod and folding rod, the one end of seat articulates there is the back of the chair, the back of the chair both sides all articulate there is the handrail, one side that the handrail bottom is close to the seat all is fixed with adjustment mechanism, adjustment mechanism includes limiting plate, spout, joint groove and connecting axle. The utility model discloses an one end of keeping away from the back of the chair with the handrail upwards lifts up, the handrail can drive the limiting plate rebound, the connecting axle can move to the outside in joint groove, then adjust the contained angle between the back of the chair and the seat through the pulling handrail, the connecting axle can slide in the inside of spout this moment, and simultaneously, the connecting axle can drive main movable rod and vice movable rod and slide in the outside of limiting plate, when the joint groove looks joint of connecting axle and different positions department, make the contained angle between the back of the chair and the seat along with changing, the function of the back of the chair angle of the mechanism is convenient for adjust has been realized, thereby the travelling comfort of this folding chair when using has been improved.

Description

Multifunctional folding chair

Technical Field

The utility model relates to a folding chair technical field specifically is a multi-functional folding chair.

Background

With the continuous development of society, the living standard of residents is increasing day by day, and in daily life, chairs are indispensable common furniture, the variety of chairs is more, and multifunctional folding chairs are important components.

The traditional folding chair has the advantages that the chair back angle is inconvenient to adjust when the folding chair is used, so that the comfort is poor when the folding chair is used, and different people need to adjust the angle of the chair back according to self conditions when the folding chair is used, so that the folding chair is convenient for the disabled to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional folding chair to solve the inconvenient problem of adjusting of back of the chair angle of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a multifunctional folding chair comprises a seat plate, a chair back, armrests, a main movable rod and folding rods, wherein one end of the seat plate is hinged with the chair back, the armrests are hinged on two sides of the chair back, one side, close to the seat plate, of the bottom end of each armrest is fixedly provided with an adjusting mechanism, each adjusting mechanism comprises a limiting plate, a sliding groove, a clamping groove and a connecting shaft, the top ends of the limiting plates are fixedly connected with the armrests, the bottom of each limiting plate is provided with the sliding groove, one side, close to the seat plate, of each adjusting mechanism is hinged with the main movable rod, a first supporting rod is fixed between the adjacent main movable rods, one side, far away from the seat plate, of each adjusting mechanism is hinged with an auxiliary movable rod, a second supporting rod is fixed between the adjacent auxiliary movable rods, one side, far away from the seat plate, of the bottom of each main movable rod is hinged with the folding rods, one end of the movable plate extends to the outside of the chair back and is fixed with a headrest, positioning grooves with equal intervals are arranged on two sides of the interior of the movable plate, and fixing mechanisms are arranged on two sides of the movable grooves in the chair back.

Preferably, the end of the folding rod far away from the main movable rod is hinged with the auxiliary movable rod, and the main movable rod and the auxiliary movable rod form a triangular supporting structure through the folding rod.

Preferably, the top ends of the first support rod and the second support rod are coplanar, and the top ends of the first support rod and the second support rod are both in contact with the bottom end of the seat plate.

Preferably, fixed establishment includes fixed slot, fixed pin, movable plate, reset spring and the board that resets, the inside of fixed slot all is provided with the fixed pin, the one end of fixed pin all extends to the outside of the back of the chair and is fixed with the movable plate, the other end of fixed pin all extends to the inside of constant head tank.

Preferably, all be provided with reset spring on the outer wall of the inside fixed pin of fixed slot, reset spring all is fixed with the board that resets on being close to the fixed pin outer wall of activity groove one end, fixed pin and reset spring constitute extending structure through the board that resets.

Preferably, the top of the inside spout of limiting plate all is provided with equidistant joint groove, the inside of spout all is provided with the connecting axle, the one end of connecting axle all articulates with main movable rod mutually, the other end of connecting axle all articulates with vice movable rod mutually, connecting axle and joint groove constitute the joint structure.

Compared with the prior art, the beneficial effects of the utility model are that: the multifunctional folding chair not only realizes the function of conveniently adjusting the angle of the chair back by the mechanism, but also realizes the function of conveniently adjusting the distance of the headrest by the device, and also realizes the function of conveniently storing the folding chair;

(1) the end, far away from the chair back, of the armrest is lifted upwards, the armrest can drive the limiting plate to move upwards, the connecting shaft can move to the outside of the clamping groove, then the included angle between the chair back and the seat plate is adjusted by pulling the armrest, at the moment, the connecting shaft can slide in the sliding groove, meanwhile, the connecting shaft can drive the main movable rod and the auxiliary movable rod to slide outside the limiting plate, when the connecting shaft is clamped with the clamping grooves at different positions, the included angle between the chair back and the seat plate is changed, the function of the mechanism facilitating adjustment of the angle of the chair back is achieved, and therefore the comfort of the folding chair in use is improved;

(2) the movable plate is pulled to drive the fixed pin to move to the outside of the positioning groove, the headrest is pulled at the moment, the headrest drives the movable plate to move in the movable groove, when the headrest is adjusted to a proper position, the movable plate is loosened, the reset plate drives the fixed pin to move to the inside of the positioning groove under the elastic action of the reset spring, the movable plate and the chair back are mutually fixed by clamping the fixed pin and the positioning groove, the function that the distance between the movable plate and the chair back is convenient to adjust by the device is achieved, and therefore the applicability of the folding chair in use is improved;

(3) through upwards pulling the seat, make first bracing piece and second bracing piece and seat separation, then the pulling folding rod, it is folding with the folding rod, the folding rod can drive main movable rod and vice movable rod and rotate to the coincidence around the connecting axle, the handrail can pass through articulated shaft and back of the chair coplane, the seat can pass through articulated shaft and back of the chair coplane, main movable rod and vice movable rod can move to one side of seat and the back of the chair, the function of being convenient for to deposit of this folding chair has been realized, thereby the convenience of this folding chair when using has been improved.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic view of the front sectional structure of the fixing mechanism of the present invention;

fig. 4 is a schematic bottom view of the present invention.

In the figure: 1. a seat plate; 2. a chair back; 3. a handrail; 4. a fixing mechanism; 401. fixing grooves; 402. a fixing pin; 403. moving the plate; 404. a return spring; 405. a reset plate; 5. a movable plate; 6. a headrest; 7. an adjustment mechanism; 701. a limiting plate; 702. a chute; 703. a clamping groove; 704. a connecting shaft; 8. a main movable bar; 9. a folding bar; 10. a secondary movable rod; 11. A first support bar; 12. a second support bar; 13. a movable groove; 14. and (6) positioning a groove.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a multifunctional folding chair comprises a seat plate 1, a chair back 2, armrests 3, a main movable rod 8 and a folding rod 9, wherein one end of the seat plate 1 is hinged with the chair back 2, two sides of the chair back 2 are hinged with the armrests 3, one side of the bottom end of each armrest 3, which is close to the seat plate 1, is fixedly provided with an adjusting mechanism 7, each adjusting mechanism 7 comprises a limiting plate 701, a sliding groove 702, a clamping groove 703 and a connecting shaft 704, the top ends of the limiting plates 701 are fixedly connected with the armrests 3, the bottom parts of the limiting plates 701 are respectively provided with the sliding grooves 702, the top ends of the sliding grooves 702 in the limiting plates 701 are respectively provided with the clamping grooves 703 at equal intervals, the sliding grooves 702 are respectively internally provided with the connecting shafts 704, one ends of the connecting shafts 704 are respectively hinged with the main movable rod 8, the other ends of the connecting shafts 704 are respectively hinged with auxiliary movable rods 10, the connecting shafts 704 and the, the connecting shaft 704 can move to the outside of the clamping groove 703, then the included angle between the chair back 2 and the seat plate 1 is adjusted by pulling the armrest 3, at this time, the connecting shaft 704 can slide in the sliding groove 702, meanwhile, the connecting shaft 704 can drive the main movable rod 8 and the auxiliary movable rod 10 to slide outside the limiting plate 701, when the connecting shaft 704 is clamped with the clamping grooves 703 at different positions, the included angle between the chair back 2 and the seat plate 1 is changed, the function of the mechanism for conveniently adjusting the angle of the chair back 2 is realized, and the comfort of the folding chair in use is improved;

one side of the adjusting mechanism 7 close to the seat plate 1 is hinged with a main movable rod 8, a first supporting rod 11 is fixed between the adjacent main movable rods 8, one side of the adjusting mechanism 7 far from the seat plate 1 is hinged with an auxiliary movable rod 10, a second supporting rod 12 is fixed between the adjacent auxiliary movable rods 10, one side of the bottom of the main movable rod 8 far from the seat plate 1 is hinged with a folding rod 9, the top of the chair back 2 is provided with a movable groove 13, the inside of the movable groove 13 is provided with a movable plate 5, one end of the movable plate 5 extends to the outside of the chair back 2 and is fixed with a headrest 6, two sides of the inside of the movable plate 5 are provided with positioning grooves 14 with equal intervals, two sides of the movable groove 13 inside the chair back 2 are provided with fixing mechanisms 4, each fixing mechanism 4 comprises a fixing groove 401, a fixing pin 402, a movable plate 403, a return spring 404 and a return plate 405, one end of each fixing pin 402 extends to the outside of the chair back 2 and is fixed with a moving plate 403, the other end of each fixing pin 402 extends to the inside of the positioning groove 14, the outer wall of each fixing pin 402 inside the fixing groove 401 is provided with a return spring 404, the outer wall of each fixing pin 402 at one end of each return spring 404 close to the corresponding movable groove 13 is fixed with a return plate 405, the fixing pins 402 and the return springs 404 form a telescopic structure through the return plates 405, the moving plates 403 are pulled, the fixing pins 402 are driven by the moving plates 403 to move to the outside of the positioning grooves 14 when the moving plates 403 are pulled, the headrest 6 is pulled at the moment, the movable plates 5 are driven by the headrest 6 to move inside the movable grooves 13, when the headrest 6 is adjusted to a proper position, the moving plates 403 are loosened, the return plates 405 drive the fixing pins 402 to move to the inside the positioning grooves 14 under the elastic force of the return springs, the function that the device is convenient for adjusting the distance of the back cushion is realized, so that the applicability of the folding chair in use is improved;

one end of the folding rod 9 far away from the main movable rod 8 is hinged with the auxiliary movable rod 10, the main movable rod 8 and the auxiliary movable rod 10 form a triangular supporting structure through the folding rod 9, the top end of the first supporting rod 11 and the top end of the second supporting rod 12 are coplanar, the top ends of the first supporting rod 11 and the second supporting rod 12 are both contacted with the bottom end of the seat plate 1, the seat plate 1 is pulled upwards to separate the first supporting rod 11 and the second supporting rod 12 from the seat plate 1, then pulling folding rod 9, it is folding with folding rod 9, folding rod 9 can drive main movable rod 8 and vice movable rod 10 and rotate to the coincidence around connecting axle 704, handrail 3 can pass through the articulated shaft and the 2 coplanaries of the back of the chair, seat 1 can pass through the articulated shaft and the 2 coplanaries of the back of the chair, main movable rod 8 and vice movable rod 10 can move to one side of seat 1 and the back of the chair 2, the function of being convenient for to deposit of this folding chair has been realized, thereby the convenience of this folding chair when using has been improved.

The working principle is as follows: the utility model discloses when using, at first, get the chair, stimulate the movable plate 403, the movable plate 403 can drive the fixed pin 402 and move to the outside of constant head tank 14, stimulate the headrest 6 this moment, the headrest 6 can drive the movable plate 5 and move in the inside of activity groove 13, when adjusting the headrest 6 to suitable position, loosen the movable plate 403, under the spring action of reset spring 404, the reset plate 405 can drive the fixed pin 402 and move to the inside of constant head tank 14, use fixed pin 402 and constant head tank 14 mutual joint, make the movable plate 5 and the back of the chair 2 reciprocal anchorage, realized the device and be convenient for adjust the function of headrest distance, thus improved the suitability of this folding chair when using;

then, one end of the armrest 3, which is far away from the chair back 2, is lifted upwards, the armrest 3 drives the limiting plate 701 to move upwards, the connecting shaft 704 moves to the outside of the clamping groove 703, then the included angle between the chair back 2 and the seat plate 1 is adjusted by pulling the armrest 3, at the moment, the connecting shaft 704 slides in the sliding groove 702, meanwhile, the connecting shaft 704 drives the main movable rod 8 and the auxiliary movable rod 10 to slide outside the limiting plate 701, when the connecting shaft 704 is clamped with the clamping grooves 703 at different positions, the included angle between the chair back 2 and the seat plate 1 is changed, the function of the mechanism for conveniently adjusting the angle of the chair back 2 is realized, and the comfort of the folding chair in use is improved;

finally, upwards stimulate seat 1, make first bracing piece 11 and second bracing piece 12 and seat 1 separation, then stimulate folding rod 9, it is folding with folding rod 9, folding rod 9 can drive main movable rod 8 and vice movable rod 10 and rotate to the coincidence around connecting axle 704, handrail 3 can pass through articulated shaft and the 2 coplanarities of the back of the chair, seat 1 can pass through articulated shaft and the 2 coplanarities of the back of the chair, main movable rod 8 and vice movable rod 10 can move to one side of seat 1 and the back of the chair 2, the function of being convenient for to deposit of this folding chair has been realized, thereby the convenience of this folding chair when using has been improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a multi-functional folding chair, includes seat (1), back of the chair (2), handrail (3), main movable rod (8) and folding rod (9), its characterized in that: the chair comprises a seat plate (1), a chair back (2) is hinged to one end of the seat plate (1), handrails (3) are hinged to two sides of the chair back (2), an adjusting mechanism (7) is fixed to one side, close to the seat plate (1), of the bottom end of each handrail (3), each adjusting mechanism (7) comprises a limiting plate (701), a sliding groove (702), a clamping groove (703) and a connecting shaft (704), the top ends of the limiting plates (701) are fixedly connected with the handrails (3), the sliding grooves (702) are arranged at the bottom of the limiting plates (701), main movable rods (8) are hinged to one side, close to the seat plate (1), of each adjusting mechanism (7), a first supporting rod (11) is fixed between adjacent main movable rods (8), auxiliary movable rods (10) are hinged to one side, far away from the seat plate (1), of each adjusting mechanism (7), and a second supporting rod (12) is fixed between adjacent auxiliary movable rods, the utility model discloses a chair, including the seat, main movable rod (8), one side of keeping away from seat (1) bottom all articulates there is folding rod (9), the top of the back of the chair (2) is provided with movable groove (13), the inside in movable groove (13) is provided with fly leaf (5), the one end of fly leaf (5) extends to the outside of the back of the chair (2) and is fixed with headrest (6), the inside both sides of fly leaf (5) all are provided with equidistant constant head tank (14), the both sides of the inside movable groove (13) of the back of the chair (2) all are provided with fixed establishment (4).

2. The multifunctional folding chair of claim 1, wherein: one end of the folding rod (9) far away from the main movable rod (8) is hinged to the auxiliary movable rod (10), and the main movable rod (8) and the auxiliary movable rod (10) form a triangular supporting structure through the folding rod (9).

3. The multifunctional folding chair of claim 1, wherein: the top ends of the first supporting rod (11) and the second supporting rod (12) are coplanar, and the top ends of the first supporting rod (11) and the second supporting rod (12) are both contacted with the bottom end of the seat plate (1).

4. The multifunctional folding chair of claim 1, wherein: the fixing mechanism (4) comprises a fixing groove (401), a fixing pin (402), a moving plate (403), a reset spring (404) and a reset plate (405), wherein the fixing pin (402) is arranged inside the fixing groove (401), one end of the fixing pin (402) extends to the outside of the chair back (2) and is fixed with the moving plate (403), and the other end of the fixing pin (402) extends to the inside of the positioning groove (14).

5. The multifunctional folding chair of claim 4, wherein: all be provided with reset spring (404) on the outer wall of fixed pin (402) in fixed slot (401), all be fixed with reset plate (405) on reset spring (404) are close to fixed pin (402) outer wall of activity groove (13) one end, fixed pin (402) and reset spring (404) constitute extending structure through reset plate (405).

6. The multifunctional folding chair of claim 1, wherein: the top of limiting plate (701) inside spout (702) all is provided with equidistant joint groove (703), the inside of spout (702) all is provided with connecting axle (704), the one end of connecting axle (704) all articulates with main movable rod (8) mutually, the other end of connecting axle (704) all articulates with vice movable rod (10) mutually, connecting axle (704) and joint groove (703) constitute the joint structure.