CN205963406U - Satisfy folding seat chair that student used in school - Google Patents

Abstract

The utility model provides a satisfy folding seat chair that student used in school links to each other through hinge structure spare between the seat and the back of the chair, and the landing leg articulates at the seat lower surface, hinge structure spare includes support frame, articulated shaft and support arm, and fixed connection is on the seat for support frame one end, is provided with the articulated shaft mounting hole in support frame other end level, and the articulated shaft passes through articulated shaft mounting hole level and sets up on the support frame, fixed connection is on the back of the chair for support arm one end, and support arm other end fixed connection is connected with fastening knob bolt between support arm and support frame on the articulated shaft, the back of the chair is 0~90 for the rotation angle range of seat, fixed mounting has limit stop on the articulated shaft, fixed surface installs articulated seat under the seat, installs the hinge bar in articulated seat, and the landing leg top is passed through the hinge bar and is linked to each other with articulated seat, is connected with fastening knob bolt between landing leg and articulated seat, it is equipped with the snap close piece to add between landing leg and articulated seat, it is equipped with the altitude mixture control stabilizer blade to add in the landing leg bottom.

Description

A kind of rumble seat meeting student's use in school

Technical field

This utility model is related to a kind of seat, more particularly to a kind of rumble seat meeting student's use in school.

Background technology

At present, in middle and primary schools at home, student's desk used in everyday and seat have analog structure mostly, independent Desk be furnished with a table thorax, student the article such as school bag can be placed in table thorax when school, and each desk is all configured with one Individual independent seat, and the commonly used integral structure of seat.

When classes are over for student, integrated seat needs to push below desk, and vacating space leaves student on duty for the day to facilitate Cleaning, but, occupied by seat due to below desk, inevitable formation corner or spot as yet untouched by a clean-up campaign is difficult to directly carry out Sweep, in order to clean up below desk, student on duty for the day can only remove seat, then beats at the corner or spot as yet untouched by a clean-up campaign below desk Sweep clean, this is also in the time and intensity virtually increasing student's cleaning on duty for the day.

Utility model content

The problem existing for prior art, this utility model provides a kind of foldable base meeting student's use in school Chair, when seat is under not use state, student voluntarily can carry out hand foldable to seat and pack up, and by the seat under folded state Chair is put in the table thorax of desk, makes no longer to be occupied by seat below desk, effectively prevent the generation of corner or spot as yet untouched by a clean-up campaign, shortens value The time of day student's cleaning, reduce the labor intensity of student on duty for the day.

To achieve these goals, this utility model adopts the following technical scheme that：A kind of meet what student in school used Rumble seat, including seat, the chair back and supporting leg, is characterized in：It is connected by articulated structure part between described seat and the chair back, Lower limb is hinged on seat lower surface；Described articulated structure part includes bracing frame, jointed shaft and support arm, and bracing frame one end is fixedly connected On seat, it has been horizontally disposed with jointed shaft installing hole in the bracing frame other end, jointed shaft is horizontally disposed with by jointed shaft installing hole On bracing frame；Described support arm one end is fixedly connected on the chair back, and the support arm other end is fixedly connected on jointed shaft, is propping up It is connected with tightening knob bolt between brace and bracing frame.

The described chair back is 0～90 ° with respect to the angle range of seat.

Positive stop is installed with described jointed shaft, when the angle of the chair back and seat is 0, positive stop and support Frame is contactless, and when the angle of the chair back and seat is 90 °, positive stop abutting contact is on bracing frame.

It is installed with hinged seat in described seat lower surface, hinge bar is installed in hinged seat, supporting leg top is passed through Hinge bar is connected with hinged seat, is connected with tightening knob bolt between supporting leg and hinged seat.

Add snap close piece between described supporting leg and hinged seat.

Add altitude mixture control leg in described supporting leg bottom.

Add sponge coating in described seat upper surface and chair back front surface.

The beneficial effects of the utility model：

Compared with prior art, when seat is under not use state, student can voluntarily be carried out this utility model to seat Hand foldable is packed up, and the seat under folded state is put in the table thorax of desk, makes no longer to be occupied by seat below desk, has Effect avoids the generation of corner or spot as yet untouched by a clean-up campaign, shortens the time of student's cleaning on duty for the day, reduces the labor intensity of student on duty for the day.

Brief description

Fig. 1 is a kind of rumble seat (deployed condition) schematic diagram meeting student's use in school of the present utility model；

Fig. 2 is a kind of rumble seat (folded state) schematic diagram meeting student's use in school of the present utility model；

Fig. 3 is the side view of Fig. 1；

In figure, 1 seat, 2 chair back, 3 supporting legs, 4 bracing frames, 5 jointed shafts, 6 support arms, 7 fastening rotations Button bolt, 8 positive stops, 9 hinged seats, 10 altitude mixture control legs.

Specific embodiment

With specific embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings.

As shown in Figure 1, 2, 3, a kind of rumble seat meeting student's use in school, including seat 1, the chair back 2 and supporting leg 3, it is connected by articulated structure part between described seat 1 and the chair back 2, supporting leg 3 is hinged on seat 1 lower surface；Described articulated structure Part includes bracing frame 4, jointed shaft 5 and support arm 6, and bracing frame 4 one end is fixedly connected on seat 1, in bracing frame 4 other end water Put down and be provided with jointed shaft installing hole, jointed shaft 5 is horizontally set on bracing frame 4 by jointed shaft installing hole；Described support arm 6 one End is fixedly connected on the chair back 2, and support arm 6 other end is fixedly connected on jointed shaft 5, connects between support arm 6 and bracing frame 4 It is connected to tightening knob bolt 7.

The described chair back 2 is 0～90 ° with respect to the angle range of seat 1.

Positive stop 8 is installed with described jointed shaft 5, when the angle of the chair back 2 and seat 1 is 0, positive stop 8 Contactless with bracing frame 4, when the angle of the chair back 2 and seat 1 is 90 °, positive stop 8 abutting contact is on bracing frame 4.

It is installed with hinged seat 9 in described seat 1 lower surface, hinge bar, supporting leg 3 top are installed in hinged seat 9 It is connected with hinged seat 9 by hinge bar, be connected with tightening knob bolt 7 between supporting leg 3 and hinged seat 8.

The seat leading to prevent supporting leg from loosening is toppled over situation and is occurred, and improves the steadiness of supporting leg further, in institute State and add snap close piece between supporting leg 3 and hinged seat 8.

Student in order to meet different heights uses, and adds altitude mixture control leg 10 in described supporting leg 3 bottom.

Because existing school chair is all hardboard structure, its ride quality is poor, easypro in order to improve taking of seat Appropriateness, adds sponge coating in described seat 1 upper surface and the chair back 2 front surface.

First use process of the present utility model is described below in conjunction with the accompanying drawings：

When needing to carry out folding to seat to pack up, first the tightening knob bolt 7 between support arm 6 and bracing frame 4 is revolved It is screwed onto loosening, then the chair back 2 is folded and be fastened on seat 1 upper surface, finally again screw tightening knob bolt 7, the chair back 2 is by again Secondary fixation.

Lift seat and overturn 180 ° make the chair back 2 after surface down, and by upset after seat be placed on desktop Make four supporting legs 3 upward, then screw the tightening knob bolt 7 between supporting leg 3 and hinged seat 8 to loosening, then open lock Then four supporting legs 3 are folded and are fastened on seat 1 lower surface by part successively, finally again screw tightening knob bolt 7, supporting leg 3 quilt Fix again, now seat completes to fold, and then sends into the seat under folded state in the table thorax of desk.

When needing again to launch the seat under folded state to use, only reversely need to be grasped according to seat folding process ?.

Scheme in embodiment is simultaneously not used to limit scope of patent protection of the present utility model, all without departing from this utility model The equivalence enforcement done or change, are both contained in the scope of the claims of this case.

Claims (7)

1. a kind of meet the rumble seat that student in school uses, including seat, the chair back and supporting leg it is characterised in that：Described chair It is connected by articulated structure part between face and the chair back, supporting leg is hinged on seat lower surface；Described articulated structure part include bracing frame, Jointed shaft and support arm, bracing frame one end is fixedly connected on seat, has been horizontally disposed with jointed shaft in the bracing frame other end and has installed Hole, jointed shaft is horizontally set on bracing frame by jointed shaft installing hole；Described support arm one end is fixedly connected on the chair back, The brace other end is fixedly connected on jointed shaft, is connected with tightening knob bolt between support arm and bracing frame.

2. according to claim 1 a kind of meet the rumble seat that student in school uses it is characterised in that：The described chair back It is 0～90 ° with respect to the slewing area of seat.

3. according to claim 2 a kind of meet the rumble seat that student in school uses it is characterised in that：In described hinge Positive stop is installed with spindle, when the angle of the chair back and seat is 0, positive stop is contactless with bracing frame, the chair back and When the angle of seat is 90 °, positive stop abutting contact is on bracing frame.

4. according to claim 1 a kind of meet the rumble seat that student in school uses it is characterised in that：In described chair Face lower surface is installed with hinged seat, is provided with hinge bar in hinged seat, and hinge bar and hinged seat phase are passed through in supporting leg top Even, it is connected with tightening knob bolt between supporting leg and hinged seat.

5. according to claim 1 a kind of meet the rumble seat that student in school uses it is characterised in that：At described Snap close piece is added between lower limb and hinged seat.

6. according to claim 1 a kind of meet the rumble seat that student in school uses it is characterised in that：At described Lower limb bottom adds altitude mixture control leg.

7. according to claim 1 a kind of meet the rumble seat that student in school uses it is characterised in that：In described chair Face upper surface and chair back front surface add sponge coating.