CN204499844U - Classroom multifunctional foldable seat - Google Patents

Abstract

The utility model relates to a multifunctional foldable seat for classrooms, which belongs to the field of machinery. Including the overall iron frame mechanism, recliner mechanism, double rocker mechanism, windmill folding mechanism at the stool legs, table three-bearing mechanism and stool leg telescopic mechanism. With the iron frame as a whole, the car uses a recliner to adjust the angle between the seat back and the seat seat. The double rocker mechanism is used to realize the folding of the table and armrests. The three-bearing structure adjusts the inversion and opening of the table. The windmill structure enables the four stool legs to be folded into the base, and the built-in springs of the stool legs realize the height adjustment of the stool legs. The advantages are: it can be completely folded, easy to carry, simple and energy-saving. This seat not only includes the functions of ordinary chairs but also can replace desks and lockers. It can be folded and save space. To provide students with a convenient and comfortable environment. The concept is novel, simple and elegant, economical and beautiful, the floor space is small, and it is multi-functional.

Description

Multifunctional foldable seat for classroom

technical field

The utility model relates to the field of machinery, in particular to a multifunctional foldable seat for classrooms.

Background technique

    From the perspective of energy consumption, a set of ordinary desks and chairs in today's classrooms not only occupies a large area, but also has a large volume, which makes the production cost higher; Serious waste of resources. From the perspective of use function, today's classroom tables and chairs have simple structure, single function, and occupy most of the classroom space, which no longer meet the needs of students in today's intelligent and digital society. Needs to be improved.

Contents of the invention

The purpose of the utility model is to provide a multifunctional foldable seat for classrooms, which solves the problems of single function and large space occupation of existing classroom tables and chairs. The utility model is simple and generous, economical and beautiful, occupies a small area, and integrates multiple functions into one body.

Above-mentioned purpose of the utility model is realized through the following technical solutions:

Multifunctional foldable seat for classrooms, including overall iron frame mechanism, recliner mechanism, double rocker mechanism, windmill folding mechanism at the stool leg, table three-bearing mechanism and stool leg telescopic mechanism, of which the stool leg is windmill The stool leg 17 in the type folding mechanism is connected with the integral iron frame mechanism through the pin shaft 1, and the recliner mechanism is connected with the double groove iron base 2, the central shaft 14 and the groove frame 10 of the integral iron frame mechanism, and the double rocker The mechanism connects the car seat recliner 15 and the central shaft 14 of the recliner mechanism through the groove frame 10, the short armrest 3 in the three-bearing mechanism of the table plate is connected with the long armrest 11 through a hinge, and the stool leg telescopic mechanism The telescopic rod 21 is connected to the stool leg 17 through the spring 19 and the bayonet pin 20 .

The overall iron frame mechanism is as follows: the double-slot iron base 2 is connected to the trough frame 10 through the central shaft 14 and the recliner 15 .

The recliner mechanism is an automotive seat recliner 15, which realizes angle adjustment through a ratchet wheel in the internal structure.

Described double rocker mechanism is made up of long armrest 11, pole 16, double-groove iron base 2 and trough frame 10, drives long armrest 11 with trough frame 10 as a moving part to make pole 16 swing, thereby Realize the operation of double rocker mechanism.

The windmill type folding mechanism at the stool legs is composed of double-slot iron base 2, stool legs 17 and storage board 18, wherein the stool legs 17 are installed in the square groove on the lower bottom surface of the double-slot iron base 2, through the pin 1 connection, the stool legs 17 can be rotated 90 degrees along the center line of the pin shaft 1. When folded, the stool legs 17 are screwed into the lower grooves of the double-slot iron base 2 in sequence. When unfolded, the stool legs 1 are rotated 90 degrees in turn. , keep perpendicular to the lower plane of the double-slot iron base 2, and be clamped by the storage plate 18 so as to keep the stool legs 17 from being screwed into the lower groove of the double-slot iron base 14 due to force, and the storage plate 18 can be used For storage of student belongings, etc.

The table three-bearing mechanism is composed of short armrest 3, bearing I4, bearing II6, bearing III7, T-bar 5 and table board 8, and the bearing I4 and bearing III7 are installed on the two sides of the long axis of T-bar 5 respectively. end, and is fixed on the short armrest 3 through a bearing sleeve; the bearing II6 is installed on the free end of the short axis of the T-shaped bar 5, and is connected with the table board 8 through a bearing sleeve. In this structure, the table top 8 can either rotate along the long axis of the T-shaped shaft 5, or rotate along the short axis of the T-shaped bar 5, so that the opening and flipping of the table top 8 can be completed.

The telescoping mechanism of the stool legs is composed of the stool legs 17, the telescopic rod 21, the spring 19 and the bayonet pin 20. The bayonet pin 20 is in interference fit with the hole at the upper end of the telescopic rod 21, and the telescopic rod 21 is installed in the stool leg 17. Bayonet 20 is limited in the C-shaped groove of stool leg 17 lower ends; Spring 19 is installed in stool leg inside, and spring 19 upper end is fixed, and lower end is connected with telescopic rod 21; After 21 rotates, the bayonet pin 20 and the lower end of the C-shaped groove are locked, and the telescopic rod 21 is not retracted into the stool leg 17 due to force; 20 and the upper end of the C-shaped groove are stuck, and the telescopic rod 21 is kept from stretching out the stool leg 17 due to stress, thereby realizing the expansion and contraction of the stool leg 17.

The beneficial effects of the utility model are: novel conception, simple and elegant, economical and beautiful, small footprint, and multi-functional. By summarizing the defects of the existing desks and chairs for classrooms, the designed one adopts an iron frame as a whole, and the car uses a recliner to adjust the angle adjustment of the back and seat, and uses a double rocker mechanism to realize the folding of the table and armrests. , The three-bearing structure adjusts the inversion and opening and closing of the table, and the windmill structure of the stool legs realizes that the four stool legs are folded in the base, and the built-in spring of the stool legs realizes the height adjustment of the stool legs. It overcomes the defects of single function and large space occupation of existing classroom tables and chairs, and greatly meets the needs of contemporary students. It can be completely folded, easy to carry, simple and energy-saving. This seat not only includes the functions of ordinary chairs but also can replace desks and lockers. It can be folded to save space. To provide students with a convenient and comfortable environment. Strong practicality.

Description of drawings

The accompanying drawings described here are used to provide a further understanding of the utility model and constitute a part of the application. The schematic examples and descriptions of the utility model are used to explain the utility model and do not constitute improper limitations to the utility model.

Figure 1 is a schematic diagram of the overall appearance of the utility model;

Fig. 2 is the front view of the utility model;

Fig. 3 is the left view of the utility model;

Fig. 4 is the top view of the utility model;

Fig. 5 is the structural representation of the car seat recliner of the present utility model;

Figure 6 is a schematic structural view of the double rocker mechanism of the present invention;

Fig. 7 is the structural representation of the C-type groove of the present utility model;

Fig. 8 is a structural schematic diagram of a three-bearing mechanism of the present invention;

Fig. 9 and Fig. 10 are schematic diagrams of the windmill type folding process of the present utility model;

Figure 11 is an overall schematic diagram of the utility model after it is fully folded.

In the figure: 1, pin shaft; 2, double-slot iron base; 3, short armrest; 4, bearing I; 5, T-shaped bar; 6, bearing II; 7, bearing III; 8, table board; 9, chair Back; 10, trough frame; 11, long armrest; 12, joint bearing; 13, long pin; 14, central axis; 15, seat recliner for automobile; 16, pole; 17, stool leg; 18, Storage board; 19, spring; 20, bayonet pin; 21, telescopic rod.

Detailed ways

Further illustrate the detailed content of the utility model and its specific implementation below in conjunction with accompanying drawing.

Referring to Fig. 1 to Fig. 11, the multifunctional foldable seat for classrooms of the present invention includes an integral iron frame mechanism, a recliner mechanism, a double rocker mechanism, a windmill-type folding mechanism at the stool legs, and three table tops. Bearing mechanism and stool leg telescoping mechanism. Wherein the stool leg 17 in the windmill type folding mechanism at the stool leg is connected to the whole iron frame mechanism through the pin shaft 1, and the recliner mechanism is connected to the double groove iron base 2, the central shaft 14 and the groove frame 10 of the iron frame, The double-rocker mechanism connects the car seat recliner 15 and the central shaft 14 through the trough frame 10, the short armrest 3 in the table plate three-bearing mechanism passes through the hinge and the long armrest 11 is connected, and the telescopic rod in the stool leg telescopic mechanism 21 links to each other with stool leg 17 by spring 19 and bayonet pin 20. Realize the main functions such as the expansion and contraction of the stool legs, the adjustment of the angle of the chair back 9, the opening and closing of the table board, the reversal of the upper and lower sides, and the overall folding.

The overall iron frame mechanism is as follows: the double-slot iron base 2 is connected to the trough-shaped frame 10 through the central shaft 14 and the recliner 15 .

See Fig. 5, the described recliner mechanism is a car seat recliner 15, and the angle adjustment is realized through the ratchet wheel in the internal structure.

Referring to shown in Fig. 6, described double rocker mechanism is made up of long armrest 11, pole 16, double-groove iron base 2 and trough frame 10, drives long armrest 11 with trough frame 10 as driving element The pole 16 swings, thereby realizing the operation of the double rocker mechanism.

Referring to Figures 9 and 10, the windmill-type folding mechanism at the stool legs is composed of a double-slot iron base 2, stool legs 17 and a storage board 18, wherein the stool legs 17 are installed on the double-slot iron base 2 In the square groove on the lower bottom surface, connected by the pin shaft 1, the stool legs 17 can rotate 90 degrees along the center line of the pin shaft 1. When folded, the stool legs 17 are screwed into the lower groove of the double-slot iron base 2 in sequence. After the stool legs 1 are rotated 90 degrees in turn, they are kept perpendicular to the lower plane of the double-slot iron base 2, and are clamped by the storage plate 18 so as to keep the stool legs 17 from being screwed into the lower plane of the double-slot iron base 14 due to force. In addition, the storage board 18 can be used to store student articles and the like.

Referring to Fig. 8, the table three-bearing mechanism is composed of short armrest 3, bearing I4, bearing II6, bearing III7, T-shaped bar 5 and table board 8, and the bearing I4 and bearing III7 are respectively installed on the T-shaped The two ends of the long axis of the bar 5 are fixed on the short handrail 3 through a bearing sleeve; In this structure, the table top 8 can either rotate along the long axis of the T-shaped shaft 5, or rotate along the short axis of the T-shaped bar 5, so that the opening and flipping of the table top 8 can be completed.

Referring to Fig. 7 and Fig. 11, described stool leg telescoping mechanism is made up of stool leg 17, telescoping rod 21, spring 19 and bayonet pin 20, and described bayonet pin 20 is interference fit with the hole of telescoping rod 21 upper end, telescopic Rod 21 is installed in stool leg 17, and bayonet pin 20 is limited in the C-shaped groove of stool leg 17 lower ends; Spring 19 is installed in the inside of stool leg, and spring 19 upper end is fixed, and lower end is connected with telescopic rod 21; When the spring 19 is pulled out, the expansion rod 21 is rotated so that the bayonet pin 20 and the lower end of the C-shaped groove are stuck, so that the expansion rod 21 is not retracted into the stool leg 17 due to force; when the expansion rod is fully retracted, the spring is under pressure After the telescopic rod 21 rotates, the bayonet pin 20 and the upper end of the C-shaped groove are stuck, and the telescopic rod 21 is kept from stretching out the stool leg 17 due to a force, thereby realizing the expansion and contraction of the stool leg 17.

The above descriptions are only preferred examples of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made to the utility model shall be included in the protection scope of the utility model.

Claims (7)

1. A multifunctional foldable seat for classrooms, characterized in that it includes an integral iron frame mechanism, a recliner mechanism, a double rocker mechanism, a windmill-type folding mechanism at the stool legs, a table three-bearing mechanism and stool legs Telescopic mechanism, wherein the stool legs (17) in the windmill-type folding mechanism at the stool legs are connected to the overall iron frame mechanism through the pin shaft (1), and the recliner mechanism is connected to the double-slot iron base of the overall iron frame mechanism (2 ), the central shaft (14) and the trough frame (10), the double rocker mechanism connects the car seat recliner (15) and the central shaft (14) of the recliner mechanism through the trough frame (10), the table The short armrest (3) in the plate three-bearing mechanism is connected to the long armrest (11) through a hinge, and the telescopic rod (21) in the stool leg telescopic mechanism is connected to the stool leg (17) through the spring (19) and bayonet pin (20). connected. 2. The multifunctional foldable seat for classrooms according to claim 1, characterized in that: the overall iron frame mechanism is: the double-slot iron base (2) passes through, the recliner (15) and the slot Shaped frame (10) is connected. 3. The multifunctional foldable seat for classrooms according to claim 1, characterized in that: the recliner mechanism is a car seat recliner (15), and the angle adjustment is realized through the ratchet wheel in the internal structure . 4. The multifunctional foldable seat for classrooms according to claim 1, characterized in that: the double rocker mechanism is composed of long armrests (11), poles (16), double-slot iron bases (2 ) and a trough frame (10), the trough frame (10) is used as the driving part to drive the long handrail (11) to make the pole (16) swing, thereby realizing the operation of the double rocker mechanism. 5. The multifunctional foldable seat for classrooms according to claim 1, characterized in that: the windmill-type folding mechanism at the stool legs is composed of a double-slot iron base (2), stool legs (17) and storage board (18), wherein the stool legs (17) are installed in the square groove on the lower bottom surface of the double-slot iron base (2), connected by the pin shaft (1), and the stool leg (17) is along the center of the pin shaft (1) The line is rotated 90 degrees. When folded, the stool legs (17) are screwed into the lower grooves of the double-slot iron base (2) in sequence. The lower plane of the base (2) is vertical, and is clamped by the storage plate (18) so as to keep the stool legs (17) from being screwed into the lower groove of the double-groove iron base (14) due to stress. 6. The multifunctional foldable seat for classrooms according to claim 1, characterized in that: the three-bearing mechanism of the table board consists of a short armrest (3), bearing I (4), bearing II (6), bearing III (7), T-shaped bar (5) and table plate (8), the bearing I (4) and bearing III (7) are respectively installed at both ends of the long axis of the T-shaped bar (5), and through the bearing The sleeve is fixed on the short armrest (3); the bearing II (6) is installed on the free end of the short shaft of the T-shaped bar (5), and is connected with the table board (8) through the bearing sleeve. 7. The multifunctional foldable seat for classrooms according to claim 1, characterized in that: the stool leg telescopic mechanism consists of stool legs (17), telescopic rods (21), springs (19) and bayonet pins ( 20), the bayonet pin (20) is interference fit with the hole at the upper end of the telescopic rod (21), the telescopic rod (21) is installed in the stool leg (17), and the bayonet pin (20) is limited to the stool leg (17) In the C-shaped groove at the lower end; the spring (19) is installed inside the stool leg, the upper end of the spring (19) is fixed, and the lower end is connected with the telescopic rod (21); when the telescopic rod (21) is fully stretched out, the spring (19) is under tension, After the telescopic rod (21) is rotated, the bayonet pin (20) is stuck with the lower end of the C-shaped groove, so that the telescopic rod (21) is not retracted into the stool leg (17) due to force; when the telescopic rod is fully retracted, the spring is Pressure, after the expansion rod (21) rotates, the bayonet pin (20) and the upper end of the C-shaped groove are stuck, and the expansion rod (21) is not stretched out of the stool leg (17) due to the force, thereby realizing the extension of the stool leg (17). telescopic.