CN223817226U

CN223817226U - An adjustable backrest seat

Info

Publication number: CN223817226U
Application number: CN202520486874.6U
Authority: CN
Inventors: 涂海禄
Original assignee: Guangdong Gejia Furniture Co ltd
Current assignee: Guangdong Gejia Furniture Co ltd
Priority date: 2025-03-19
Filing date: 2025-03-19
Publication date: 2026-01-23
Anticipated expiration: 2035-03-19

Abstract

The utility model discloses an angle-adjustable backrest seat which comprises a backrest seat and a seat cushion which are connected based on a bolt, and support frames arranged on two sides of the seat cushion, wherein the support frames are of an L-shaped frame structure, one end of each L-shaped frame is provided with a matching rod, the middle position of the backrest seat is provided with a matching groove, the L-shaped frame is in sliding fit with the matching groove based on the matching rod, and the bottom of the seat cushion is provided with a mounting frame which is in sliding fit with the other end of each L-shaped frame. Through setting up seat back and seat cushion based on bolt connection, the angle modulation of seat back and seat cushion is realized to structure such as cooperation support frame, seat cushion below, improves the use reliability of back seat and the structural stability of back seat.

Description

Angle-adjustable backrest seat

Technical Field

The utility model relates to the technical field of seats, in particular to an angle-adjustable backrest seat.

Background

The existing classroom chair not only meets the daily study use of students, but also needs to take the rest of the students into consideration, and the chair backrest can be adjusted in a rotating way through the arrangement, so that the chair can meet different use sitting postures of the students. The current classroom seat of adjustable seat back mainly realizes the connection of seat back and seat cushion through articulated mode, releases the locking state of both through regulating switch, cooperates student's self pressure adjustment seat back's deflection angle, carries out locking fixedly through regulating switch, and the stability of this kind of regulating mode adjustment is not enough, needs the student to carry out the multiple adjustment and reaches suitable position appearance state for adjust complex operation, and the effort of the articulated position between seat back and the seat cushion is concentrated at the deflection in-process, leads to the damage of seat back and seat cushion articulated position easily, influences the stability of seat structure.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art, and provides an angle-adjustable backrest seat, which can drive a backrest to deflect when a seat cushion stretches outwards through the cooperation of a support frame and a mounting frame, so that the angle adjustment of the backrest is realized, the convenience of the angle adjustment of the backrest seat is improved, and the stability of a seat structure is improved based on the support frame.

The utility model provides an angle-adjustable backrest seat, which comprises a backrest seat and a seat cushion which are connected based on a bolt, and support frames arranged at two sides of the seat cushion;

The support frame is of an L-shaped frame structure, one end of the L-shaped frame is provided with a matching rod, the middle position of the seat backrest is provided with a matching groove, and the L-shaped frame is in sliding fit with the matching groove based on the matching rod;

The bottom of seat cushion is provided with the mounting bracket, the mounting bracket with the other end sliding fit of L type frame.

Further, pulleys are arranged on two sides of the mounting frame, and guide grooves for the pulleys to move are formed in the supporting frame;

the mounting frame is in sliding fit with the supporting frame based on the pulleys.

Further, one side of the mounting frame is provided with a control board and an adjusting switch, the adjusting switch is fixed on the outer side of the supporting frame, and the adjusting switch is provided with a locking groove matched with the control board.

Further, the control board is provided with a plurality of mating holes, and the angle of the backrest seat is adjusted based on the plurality of mating holes.

Further, the mounting frame at the bottom of the seat cushion is provided with a pedal mechanism, the middle part of the mounting frame is provided with a containing groove, and the pedal mechanism is in sliding fit in the containing groove.

Further, the pedal mechanism comprises a connecting rod and a pedal, one end of the connecting rod is inserted into the accommodating groove, and the pedal is fixed at the other end of the connecting rod.

Furthermore, the backrest seat is provided with armrests symmetrically distributed on two sides of the support frame, and the armrests are rotatably arranged on the support frame.

Further, the backrest seat is also provided with a support base which can be adjusted in a telescopic way.

The utility model provides an angle-adjustable backrest seat, which is characterized in that a backrest seat and a seat cushion which are connected based on a bolt are arranged, and the angle adjustment of the backrest seat and the seat cushion is realized by matching with structures such as a support frame, a mounting frame below the seat cushion and the like, so that the use reliability of the backrest seat and the structural stability of the backrest seat are improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an angle-adjustable back seat in accordance with an embodiment of the present utility model;

FIG. 2 is a schematic view showing an angle-adjustable back seat in an unfolded state according to an embodiment of the present utility model;

FIG. 3 is a side view of an angle adjustable back seat deployment configuration in accordance with an embodiment of the present utility model;

FIG. 4 is a schematic view of the bottom structure of an angle-adjustable back seat in accordance with an embodiment of the present utility model;

Fig. 5 is an enlarged schematic view of the structure at a in fig. 4 in an embodiment of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 5, an embodiment of the utility model provides an angle-adjustable backrest seat, which comprises a backrest 2 and a seat cushion 1 which are connected based on a bolt, a support frame 6 arranged on two sides of the seat cushion 1, wherein the support frame 6 is of an L-shaped frame structure, one end of the L-shaped frame is provided with a matching rod 61, the middle part of the backrest 2 is provided with a matching groove 21, the L-shaped frame is in sliding fit with the matching groove 21 based on the matching rod 61, the bottom of the seat cushion 1 is provided with a mounting frame 5, and the mounting frame 5 is in sliding fit with the other end of the L-shaped frame. Through setting up the support frame 6 of L type frame construction for the seat back 2 with the seat cushion 1 can be based on support frame 6 realization linkage structure arranges, the stability of seat back 2 and 1 structural connection of seat cushion in the back seat is improved to the structure based on support frame 6, and the seat back 2 with the relative motion of seat cushion 1 supports, improves the reliability of back seat angle adjustment action.

Further, the seat back 2 and the seat cushion 1 are connected by a bolt, so that the seat back 2 and the seat cushion 1 can relatively rotate, and the angle adjustment between the seat back 2 and the seat cushion 1 is met.

Specifically, the both sides of mounting bracket 5 are provided with the pulley, be provided with in the support frame 6 and supply the guide slot 62 that the pulley removed, mounting bracket 5 is based on the pulley with support frame 6 sliding fit, be provided with the installation pole more than two in the mounting bracket 5, arbitrary the both ends of installation pole set up the pulley, just mounting bracket 5 can be based on pulley sliding fit is in the guide slot 62 of support frame 6, make mounting bracket 5 can follow the guide slot 62 of support frame 6 carries out horizontal migration, thereby drives seat cushion 1 is horizontal migration.

Further, when the mounting frame 5 drives the seat cushion 1 to horizontally move, the seat back 2 can deflect based on the movement of the seat cushion 1, so that the matching groove 21 of the seat back 2 and the matching rod 61 of the supporting frame 6 can relatively move and relatively rotate, thereby realizing the adjustment of the relative pose between the seat back 2 and the seat cushion 1 and meeting the angle adjustment requirement of the backrest seat.

Specifically, one side of mounting bracket 5 is provided with control panel 51 and regulating switch 8, regulating switch 8 is fixed the outside of support frame 6, just regulating switch 8 be provided with control panel 51 complex locking groove, regulating switch 8 is provided with button baffle and elastic component, through pressing the button baffle for regulating switch 8's locking groove notch is opened, and is right the elastic component extrudees, control panel 51 can be in locking inslot removes, based on the student to seat back 2 or seat cushion 1 exerts the effort, can conveniently drive seat cushion 1 horizontal migration, thereby drives seat back 2 with the angle modulation between the seat cushion 1.

Further, after the adjustment is completed, the button baffle is loosened, based on elastic reset of the elastic piece, the locking groove of the adjusting switch 8 can be driven to lock the control board 51, so that locking and fixing of the relative position between the seat back 2 and the seat cushion 1 are realized.

Specifically, the control board 51 is provided with a plurality of mating holes 511, based on the adjustment of a plurality of mating holes 511 the angle of back seat, the control board 51 can be limited to the angle between the seat back 2 and the seat cushion 1 based on a plurality of mating holes 511, so that students can adjust to a preset angle position according to actual use requirements, and the use requirements of students are met.

Specifically, the mounting frame 5 at the bottom of the seat cushion 1 is provided with a pedal mechanism 7, the middle part of the mounting frame 5 is provided with a containing groove 52, the pedal mechanism 7 is in sliding fit in the containing groove 52, the pedal mechanism 7 is arranged at the bottom of the mounting frame 5 in a telescopic manner, the pedal mechanism 7 can be contained at the bottom of the seat cushion 1 in the daily study and use process of students, the interference of the pedal mechanism 7 to the daily use of the seats is avoided, when the students use the seats for rest, the pedal mechanism 7 can be stretched, the leg stretching operation of the students is satisfied, and the use comfort of the students is improved.

Further, the pedal mechanism 7 includes a connecting rod 71 and a pedal 72, one end of the connecting rod 71 is inserted into the accommodating groove 52, the pedal 72 is fixed at the other end of the connecting rod 71, and after the pedal 72 is extended, the support of the legs of the students can be satisfied, and the reliability of resting of the students is improved.

Specifically, the backrest seat is provided with armrests 3 symmetrically distributed on two sides of the support frame 6, and the armrests 3 are rotatably arranged on the support frame 6, so that students can adjust the pose state of the armrests 3 according to own use requirements, and the use experience of the students on the backrest seat is improved.

Specifically, the backrest seat is further provided with a support base 4 which can be telescopically adjusted. The support base 4 is provided with two groups of T-shaped section steel which are arranged in parallel, has good structural stability and support performance, and meets the pose adjustment requirement between the seat back 2 and the seat cushion 1.

Further, any one of the vertical sections of the T-shaped steel bars is set to be of a telescopic structure, so that students can adjust the overall height of the backrest seat, and the use requirement is met.

The embodiment of the utility model provides an angle-adjustable backrest seat, which is characterized in that a backrest 2 and a seat cushion 1 are connected based on a bolt, and the angle adjustment of the backrest 2 and the seat cushion 1 is realized by matching with structures such as a support frame 6, a mounting frame 5 below the seat cushion 1 and the like, so that the use reliability of the backrest seat and the structural stability of the backrest seat are improved.

In addition, the above description of the embodiment of the present utility model provides an angle-adjustable backrest seat, and specific examples should be adopted to illustrate the principles and embodiments of the present utility model, and the description of the above embodiments is only for aiding in understanding the method and core concept of the present utility model, and meanwhile, for those skilled in the art, according to the concept of the present utility model, there are variations in the specific embodiments and application ranges, so the disclosure should not be construed as limiting the present utility model.

Claims

1. The backrest seat with the adjustable angle is characterized by comprising a backrest seat and a seat cushion which are connected based on a bolt, and supporting frames arranged at two sides of the seat cushion;

2. The angle-adjustable backrest seat according to claim 1, wherein pulleys are arranged on two sides of the mounting frame, and guide grooves for the pulleys to move are arranged in the supporting frame;

3. The angle-adjustable back seat according to claim 2, wherein a control board and an adjusting switch are provided on one side of the mounting frame, the adjusting switch is fixed on the outer side of the support frame, and the adjusting switch is provided with a locking groove matched with the control board.

4. An adjustable angle back seat according to claim 3, wherein the control panel is provided with a number of mating holes, the angle of the back seat being adjusted based on the number of mating holes.

5. The adjustable angle back rest seat of claim 1, wherein the mounting frame of the seat cushion bottom is provided with a footrest mechanism, the middle of the mounting frame is provided with a receiving slot, and the footrest mechanism is slidably fit in the receiving slot.

6. The angle adjustable back rest seat of claim 5, wherein the footrest mechanism comprises a connecting rod and a footrest, one end of the connecting rod is inserted into the receiving slot, and the footrest is fixed at the other end of the connecting rod.

7. The angle adjustable back rest seat according to claim 1, wherein the back rest seat is provided with armrests symmetrically distributed on both sides of the support frame, and the armrests are rotatably arranged on the support frame.

8. The adjustable angle back rest seat of claim 1, further provided with a telescopically adjustable support base.