CN216776443U - Desk and chair for noon break with sinking desktop - Google Patents

Abstract

The utility model discloses a desktop sinking type noon break desk and chair, which comprises a desk and a chair, wherein the desk comprises desk legs and a desk plate supported on the desk legs, the height of the desk plate on the desk legs can be adjusted, the chair comprises chair legs, a seat plate supported on the chair legs and a backrest hinged at the rear end of the seat plate, and the height of the seat plate on the chair legs can also be adjusted; the desk and chair is operable between a learning position in which the chair is configured in a sitting position with the table above the front end of the seat pan and a noon break position in which the seat pan is raised upwardly and the backrest is reclined rearwardly and the table is lowered to the front end of the seat pan. The utility model can be changed into a structure for the students to have noon break without moving the position and occupying extra space, thereby helping the students to obtain comfortable noon break sleeping postures and effectively improving the comfort and the safety.

Description

Desk and chair for noon break with sinking desktop

Technical Field

The utility model relates to a desk and chair, in particular to a desk and chair with a sunken desktop for noon break.

Background

The student has the advantages that the student can only lie on a desk for rest under most conditions due to the limitation of classroom space and the structure of desk and chair, comfort and noon break are affected, the student can sleep on the desk for a long time, and discomfort such as neck and shoulder and lumbar of the student can be caused, so that health is affected. Therefore, it is necessary to design a desk and chair that can make students lie down for noon break.

At present, most of the desk and chair available for noon break of students on the market are designed into an adjustable structure, and the desk and chair can be deformed into a structure similar to a bed by moving and stretching for noon break of the students. However, limited classroom space obviously does not allow all indoor desks and chairs to deform greatly, and in order to save space, when students use the desks and chairs for noon break, the heads or the trunks of the students may be positioned below the desks, certain potential safety hazards exist, and the students are easy to feel oppressed when placed in the narrow space.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a desk and chair for noon break, which can be changed into a structure for noon break of students in a limited space without moving the position, and obviously improves the comfort and the safety.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

a desk top sinking type noon break desk and chair comprises a desk and a chair, wherein the desk comprises desk legs and a desk plate supported on the desk legs, the height of the desk plate on the desk legs can be adjusted, the chair comprises chair legs, a seat plate supported on the chair legs and a backrest hinged to the rear end of the seat plate, and the height of the seat plate on the chair legs can also be adjusted; the desk and chair is operable between a learning position in which the chair is configured in a sitting position with the table above the front end of the seat pan and a noon break position in which the seat pan is raised upwardly and the backrest is reclined rearwardly and the table is lowered to the front end of the seat pan.

According to the structure, the desk and chair can meet daily school requirements of students, when noon break is needed, the desk and chair does not need to be moved integrally, through reducing the desk plate and inclining the backrest, so that the structure facilitating noon break of the students is provided, the comfort is obviously improved, when noon break of the students, the heads of the students do not need to stretch into the lower part of the desk, the safety is improved, leg rest components do not need to be additionally arranged, the desk and chair is convenient to adjust, extra classroom space is not occupied, and the students can be helped to obtain comfortable noon break sleeping postures by utilizing the existing space.

Preferably, the desk legs and the chair legs are connected into a whole, namely the desk and the chair adopt a one-piece design, so that the cleanness of a classroom is guaranteed, and the relative position of the desk plate and the seat plate is also easier to guarantee when the desk and the chair are adjusted to a noon break position.

Similarly, the legs and the legs can be constructed to be adapted to be coupled to each other, i.e., the desk and the chair can be detached for separate use, or the desk and the chair can be coupled to each other by coupling the legs and the legs to each other, if necessary.

Preferably, the table legs incline backwards, the chair legs incline forwards, and based on the structure, the table plate can translate backwards in the descending process, and when the seat plate is lifted, a certain amount of forward translation can be provided, so that after the adjustment is completed, an overlarge gap can not be generated between the table plate and the seat plate, and meanwhile, a larger space flows out for the adjustment of the front row and the back row.

Preferably, the seat plate is mounted on the legs by a slide rail and can be adjusted back and forth by the slide rail. According to the structure, when the desk and chair is used for learning or noon break, the seat plate can be adjusted to a more comfortable position back and forth according to personal needs.

Preferably, the two sides between the backrest and the seat plate are symmetrically provided with locking arms, one end of each locking arm is hinged with the backrest, the other end of each locking arm is provided with a limiting groove, the side surface of the seat plate is provided with a limiting pin embedded into the limiting groove, each limiting groove is provided with a first limiting end and a second limiting end, when the limiting pin is located at the first limiting end, the backrest is in an upright posture, and when the limiting pin is located at the second limiting end, the backrest tilts backwards. By means of the design of the locking arm, the reliable limit of the backrest when the desk and chair are in the learning position and the noon break position can be ensured.

In order to operate the backrest for adjustment, the front end of the locking arm is provided with an operating part extending forwards, and a decorative cover is configured, and the decorative cover can cover the limiting groove so as to shield the machine component by the decorative cover, prevent the machine component from being exposed and improve the appearance quality.

Preferably, a headrest is mounted to an upper end of the backrest, and the headrest can be folded to a rear side of the backrest. The foldable headrest is arranged at the upper end of the backrest, so that a more comfortable sleeping posture can be obtained during noon break, the design of human engineering is met, and the headrest can be folded to the rear side of the backrest when a user normally sits for learning, so that the rear sight line is prevented from being influenced.

Preferably, the table legs are symmetrically arranged on two sides of the table board, the chair legs are symmetrically arranged on two sides of the seat board, the table legs and the chair legs are connected into a whole through connecting pipes arranged on two sides of the bottom, and the integrally designed table legs and chair legs are convenient to manufacture, occupy small space and can ensure reliable support of the table board and the seat board.

The storage box is arranged below the seat board, and the storage box is supported on the connecting pipe in a sliding mode through the connecting lugs on two sides of the bottom and can slide along the lower portion of the connecting pipe between the seat board and the table board. The storage box can be used for conveniently storing objects such as blankets, quilts or books, and the like, and can be relatively lightly slid because the objects are supported by the connecting pipe and are not directly contacted with the ground.

Preferably, the table leg includes the lower pipe fixed with the connecting pipe and the top tube fixed with the table, and top tube one end slidable stretches into the lower pipe, installs the gear box in the lower pipe, installs intermeshing's first bevel gear and second bevel gear in this gear box, and second bevel gear is connected with the lead screw along lower pipe axial extension, installs the nut with lead screw thread fit in the top tube, and gear box one side is equipped with the regulation hole that link up to the lower pipe outer wall, and first bevel gear rotationally imbeds in the regulation hole. According to the structure, when the height is required to be adjusted, the desk plate can extend into the adjusting hole by means of a tool, stepless lifting of the desk plate is achieved, adjustment is convenient, the strength is reliable, and the stability is good.

Has the advantages that:

the desktop sinking type noon break desk and chair adopting the technical scheme can be changed into a structure for noon break of students without moving positions and occupying extra space, help the students to obtain comfortable noon break sleeping postures, and effectively improve the comfort and the safety.

Drawings

FIG. 1 is a schematic view of a desk and chair of the present invention in a learning position;

FIG. 2 is a schematic view of the desk and chair of the present invention in the noon break position;

figure 3 is a cross-sectional view of the table leg;

FIG. 4 is a schematic view of the interior of the table leg with the upper and lower tubes removed;

FIG. 5 is a schematic view of the seat plate and the chair leg at the installation position;

FIG. 6 is a schematic view showing a connection structure of the seat plate and the backrest;

FIG. 7 is a schematic view of the locking arm;

FIG. 8 is a schematic view of the connection position with the seat pan with the backrest in an upright position;

FIG. 9 is a schematic view showing the attachment position of the seat pan to the backrest when the backrest is tilted backward;

FIG. 10 is a partial schematic view of the upper end of the backrest when the headrest is folded to the rear side of the backrest;

FIG. 11 is a partial schematic view of the upper end of the backrest when the headrest is open;

FIG. 12 is a reference diagram showing the use of the desk and chair of the present invention in the noon break position.

Detailed Description

The present invention will be further described with reference to the following embodiments and the accompanying drawings, wherein positional relationships such as front, rear, up, down, and the like refer to positional relationships of a student with respect to a sitting direction when the student sits on a chair, unless otherwise specified. The following embodiments are examples for illustrating the present invention, and the present invention is not limited to the embodiments.

The desktop sinking type noon break desk and chair shown in figure 1 comprises a desk 1 and a chair 2, wherein the desk 1 comprises desk legs 10 and a desk plate 11 supported on the desk legs 10, a drawer 15 is arranged below the desk plate 11, the drawer 15 and the desk plate 11 are combined into a whole, and the chair 2 comprises chair legs 20, a seat plate 21 supported on the chair legs 20 and a backrest 22 hinged to the rear end of the seat plate 21.

In this embodiment, the desk 1 and the chair 2 are designed as a single body, the legs 10 and the legs 20 are tubular structures and symmetrically disposed on two sides of the desk plate 11 and the seat plate 21, respectively, and the lower ends of the legs 10 and the legs 20 are connected together by two connecting pipes 12 extending along a horizontal direction.

Dispose storage tank 5 in the below of bedplate 21, this storage tank 5 is the open box-like structure in upper end, supports on two connecting pipes 12 through the connection hangers 51 of both sides to can follow the below slip of takeover 12 between bedplate 21 and table 11, on connecting pipe 12 was installed to storage tank 5, should keep having suitable clearance with ground, and it can be more smooth and easy to slide like this.

As can be seen from the description of fig. 2, the table board 11 and the seat board 21 can be lifted and lowered, and the backrest 22 can be tilted backward, so that the desk and chair can be operated and adjusted between the learning position shown in fig. 1 and suitable for students to sit and study and the noon break position shown in fig. 2 and suitable for resting in a lying position. When the chair is adjusted to the noon break position, the seat plate 21 is lifted upwards, the desk plate 11 is lowered to be flush or approximately flush with the seat plate 21 according to the stature of the student, and the backrest 22 is inclined backwards to form a structure similar to a bed, so that noon break is facilitated. In this case, the desk plate 11 can provide support for the lower limbs or be used for putting feet, and during noon break, the head of the human body is in an open space, so that the head of the human body does not need to be in a depressed and unsafe space below the desk like a part of the traditional noon break desk and chair.

It should be understood that the elevation of the table 11 and the seat 21 may be adjusted with the height of the legs 10 and 20, or the table 11 and the seat 21 may be slid along the legs 10 and 20 to adjust the height. In this embodiment, height adjusting mechanisms are provided in the legs 10 and 20 so that the table plate 11 and the seat plate 21 can be elevated together with the legs 10 and 20.

For better space utilization, the legs 10 are configured to tilt rearwardly and the legs 20 are configured to tilt forwardly so that the table 11 may translate slightly forwardly when lowered and the seat 21 raised to facilitate docking of the table 11 with the seat 21.

The structure of the chair leg 20 is similar to that of the table leg 10, and only the table leg 10 is taken as an example for description here, as shown in fig. 3 and fig. 4, each table leg 10 includes an upper tube 14 and a lower tube 13, the upper tube 14 supports the table 11 and is fixed with the table 11, the lower end of the lower tube 13 is connected and fixed with the connecting tube 12, the lower end of the upper tube 14 slidably extends into the lower tube 13 from the upper end of the lower tube 13, a gear box 6 is installed in the lower tube 13, a first bevel gear 61 and a second bevel gear 62 which are engaged with each other are installed in the gear box 6, the second bevel gear 62 is connected with a screw rod 7 which extends along the axial direction of the lower tube 13, a nut 8 which is in threaded fit with the screw rod 7 is installed in the upper tube 14, an adjusting hole 6a which penetrates through to the outer wall of the lower tube 13 is installed on one side of the gear box 6, and the first bevel gear 61 is rotatably embedded in the adjusting hole 6 a.

The hub portion of the first bevel gear 61 and the adjusting hole 6a can be set to be standard structures such as a hexagon, and the adjusting hole 6a can be inserted by using tools such as a hexagon wrench, so that the first bevel gear 61 can be manually rotated to further drive the screw rod 7 to rotate, and the upper pipe 14 is driven to slide by means of the nut 8 in threaded fit with the screw rod 7, so as to realize the lifting of the table board 11. The gear boxes 6 in the lower pipes 13 of the two table legs 10 are linked by a horizontal synchronizing rod 63, so as to ensure that the two table legs 10 are lifted synchronously.

As can be seen from FIG. 5, the seat plate 21 is slidably supported on the legs 20, i.e. the seat plate 21 can be adjusted back and forth to change the distance between the seat plate and the desk 1, so as to meet the sitting and noon break requirements of students of different statures.

As shown in FIG. 5, the upper end of the leg 20 goes over the seat plate 21 and has an extension 25 extending forward and then extending downward, the extensions 25 of the legs 20 on both sides form a lateral support similar to a handrail on the seat plate 21, the downward extending ends of the extensions 25 on both sides are connected together by a transverse support tube 26 extending in the transverse direction of the seat plate 21, two seat plate support plates 27 extending in the front-rear direction are provided on the transverse support tube 26, and the seat plate 21 is mounted on the seat plate support plates 27 by the slide rails 23 on both sides of the bottom. The slide rail 23 includes a lower rail 231 fixed to the seat plate support plate 27 and an upper rail 232 fixed to the bottom of the seat plate 21, the upper rail 232 is slidably engaged with the lower rail 231, and an unlocking handle 233 is mounted on the slide rail 23 on one side, and the unlocking handle 233 is operated to lock or unlock the upper rail 232 and the lower rail 231.

Fig. 6 shows a connection structure of the seat plate 21 and the backrest 22, the seat plate 21 and the backrest 22 are rotatably connected by hinges 28, the locking arms 3 are symmetrically arranged on the outer edges of two sides of the connection position of the seat plate 21 and the backrest 22, the rear end of the locking arm 3 is hinged to the outer side of the lower end of the backrest 22, the front end of the locking arm is provided with a limiting groove 3a, and the limiting groove 3a is matched with a limiting pin 24 on the outer side of the rear end of the seat plate 21 to limit the backrest 22.

Referring to fig. 7, the lock arm 3 is arc-shaped, the back connection hole 3b is formed at the rear end, the front end of the limit groove 3a is a special-shaped groove, the lock arm 3 penetrates through the lock arm 3 in the thickness direction, the limit groove 3a is substantially L-shaped, and has a first limit end 3a1 and a second limit end 3a2, a limit protrusion 3a3 is further formed at a position adjacent to the first limit end 3a1 to prevent the limit pin 24 from accidentally sliding, and the back 22 can be locked at different postures at different positions of the limit pin 24 in the limit groove 3 a.

The lock arm 3 has an operation portion 31 extending forward at a front end thereof, and the operation portion 31 is pulled to move the stopper pin 24 between the first stopper end 3a1 and the second stopper end 3a2 to adjust the backrest 22, and a decorative cover 32 is provided at a position corresponding to the operation portion 31 to ensure an external appearance, the decorative cover 32 covering the operation portion 31 and the stopper groove 3a to prevent the moving parts from being exposed.

As can be seen from fig. 8 and 9, when the stopper pin 24 is located at the first stopper end 3a1, the backrest 22 is in an upright posture for the student to sit on, and when the stopper pin 24 is located at the second stopper end 3a2, the backrest 22 is inclined backward, so that the student can comfortably lie on the chair 2 for lunch break.

In order to make the student get a more comfortable sleeping position during noon break, the headrest 4 is arranged at the upper end of the backrest 22, and if the headrest 4 is directly fixed with the backrest, the desk and chair can still use the headrest at the learning position, although the comfort can be improved, for special products such as desk and chair, the too high comfort may be unfavorable for the student to learn and may affect the sight line of the students at the back, so the headrest 4 is obviously not suitable to adopt a fixed design. Such a detachable, free-standing headrest also has disadvantages in that it requires additional storage space and may be lost.

For this reason, in the present embodiment, the headrest 4 is designed to be attached to the upper end of the backrest 22 in a foldable manner, that is, the headrest 4 can be folded to the rear side of the backrest 22 when not in use, whereas the headrest 4 can be unfolded from the folded position for use in the case where the headrest 4 is required to be used, for example, in lunch break.

Fig. 10 and 11 illustrate a partial structure schematic diagram of an installation position when the headrest 4 is folded and unfolded, respectively, as can be seen from the figure, two symmetrically arranged headrest installation brackets 29 are arranged on the rear side of the upper end of the backrest 22, the headrest installation brackets 29 are in a plate-shaped structure, the height of the headrest installation brackets is gradually increased from bottom to top, headrest installation holes 2a are arranged at the upper ends of the two headrest installation brackets 29, an installation shaft 41 is arranged at the end part of the headrest 4, the installation shaft 41 can rotatably extend into the headrest installation holes 2a corresponding to the two sides, a limiting notch 2b extending along the radial direction is arranged at the bottom of the headrest installation hole 2a, an engagement part 42 corresponding to the width of the limiting notch 2b is arranged at the end part of the installation shaft 41, circular arcs are arranged at the radial two ends of the engagement part 42, and are adapted to the inner diameter of the headrest installation hole 2a and can freely rotate in the headrest installation hole 2a, when one circular arc end of the engagement part 42 is embedded into the limiting notch 2b, the headrest 4 is locked in the folding posture, and when the other arc end is embedded into the limiting notch 2b, the headrest is locked in the opening posture.

In addition, although the above embodiment is described with the desk 1 and the chair 2 being in a one-piece design, when the desk 1 and the chair 2 are in a split design, that is, the desk 1 and the chair 2 are independent of each other, and can be shifted to a position similar to the noon break position in the above embodiment when noon break is required, as long as the corresponding lifting adjustment function is provided, in this case, it is preferable that the desk leg 10 and the chair leg 20 are designed to be in a structure suitable for abutting and fixing, so that the abutting and fixing can be performed when the desk 1 and the chair 2 are shifted to the noon break position.

Fig. 12 shows the use state of the desk and chair set in the noon break position, and it can be seen that the overall position of the front and rear desk and chair sets is consistent with the position of the desk and chair sets in the study position, i.e. the desk and chair sets do not need to be moved integrally, after the desk board 11 of the rear desk 1 is descended, a space is naturally reserved for the inclination of the front backrest 22, and after the headrest 4 is opened, a comfortable and safe noon break environment can be provided for the students.

Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.

Claims (9)

1. The utility model provides a desktop formula lunch break desk chair that sinks, includes desk (1) and chair (2), its characterized in that: the desk (1) comprises desk legs (10) and a desk plate (11) supported on the desk legs (10), the height of the desk plate (11) on the desk legs (10) can be adjusted, the chair (2) comprises chair legs (20), a seat plate (21) supported on the chair legs (20) and a backrest (22) hinged to the rear end of the seat plate (21), and the height of the seat plate (21) on the chair legs (20) can also be adjusted; the desk and chair can be operated between a learning position in which the chair (2) is configured in a posture suitable for sitting and the table plate (11) is located above the front end of the seat plate (21), and a noon break position in which the seat plate (21) is lifted upwards and the backrest (22) is tilted backwards and the table plate (11) is lowered to the front end of the seat plate (21).

2. The desktop-sinking lunch break desk and chair of claim 1, wherein: the leg (10) and the leg (20) are connected as a single unit or are constructed in a structure suitable for docking.

3. The desktop-sinking lunch break desk and chair of claim 1, wherein: the table legs (10) incline backwards, and the chair legs (20) incline forwards.

4. The desktop-sinking lunch break desk and chair of claim 1, wherein: the seat plate (21) is mounted on the chair legs (20) through a slide rail (23), and can be adjusted forwards and backwards through the slide rail (23).

5. The desktop-sinking lunch break desk and chair of claim 1, wherein: the utility model discloses a chair seat, including back (22), bedplate (21), the both sides symmetry between back (22) and bedplate (21) is provided with locking arm (3), locking arm (3) one end is articulated with back (22), the other end is equipped with spacing groove (3a), bedplate (21) side is equipped with spacing pin (24) of embedding this spacing groove (3a), spacing groove (3a) have first spacing end (3a1) and second spacing end (3a2), when spacing pin (24) are located first spacing end (3a1), back (22) are in upright gesture, when spacing pin (24) are located second spacing end (3a2), back (22) backward incline.

6. The desktop sinking lunch break desk and chair of claim 5, wherein: the front end of the locking arm (3) is provided with an operation part (31) extending forwards, and a decorative cover (32) is arranged, and the decorative cover (32) can cover the limiting groove (3 a).

7. The desktop-sinking lunch break desk and chair of claim 1, wherein: the upper end of the backrest (22) is provided with a headrest (4), and the headrest (4) can be folded to the rear side of the backrest (22).

8. The desktop-sinking lunch break desk and chair of claim 1, wherein: table leg (10) symmetry sets up in table (11) both sides, and chair leg (20) symmetry sets up in bedplate (21) both sides, link into an integrated entity through connecting pipe (12) that set up in the bottom both sides between table leg (10) and chair leg (20), bedplate (21) below is equipped with storage tank (5), and this storage tank (5) support on connecting pipe (12) through the connection hangers (51) slidable of bottom both sides to can follow the below slip of connecting pipe (12) between bedplate (21) and table (11).

9. The desktop-sinking lunch break desk and chair of claim 8, wherein: table leg (10) include with lower tube (13) that connecting pipe (12) are fixed and upper tube (14) fixed with table (11), upper tube (14) one end stretches into lower tube (13) slidable, install gear box (6) in lower tube (13), install intermeshing's first bevel gear (61) and second bevel gear (62) in this gear box (6), second bevel gear (62) are connected with along lead screw (7) of lower tube (13) axial extension, install in upper tube (14) and lead screw (7) screw-thread fit's nut (8), gear box (6) one side is equipped with regulation hole (6a) that link up to lower tube (13) outer wall, first bevel gear (61) rotationally imbeds in adjusting hole (6 a).

Images