CN117179450A - Desk - Google Patents

Abstract

The invention provides a desk, and belongs to the technical field of teaching facilities. The desk solves the problem of how to consider the convenience and stability of the use of the existing desk. The desk comprises a desk plate, cantilever beams, left desk legs and right desk legs, wherein the cantilever beams are distributed front and back, the two cantilever beams are all arranged transversely, the desk plate is paved on the two cantilever beams, a desk leg which is vertically arranged is connected between the left ends of the two cantilever beam arms and the left desk legs, the right ends of the two cantilever beams are arranged in a suspending mode, the right desk legs are arranged below the right ends of the two cantilever beams, the left desk legs and the right desk legs are all in strip shapes and are arranged along the front and back directions, the desk further comprises a supporting rod, the supporting rod is parallel to the cantilever beams, the left ends of the supporting rod are fixed on the desk legs and higher than the left desk legs, and the right ends of the supporting rod are fixed on the right desk legs. The desk can be used conveniently and stably.

Description

Desk

Technical Field

The invention belongs to the technical field of teaching facilities, and relates to a desk.

Background

The desk is matched with the seat for use, belongs to common teaching facilities, and is designed to meet the study use requirements of students. The desk is various, including lift desk, wood desk, plastics desk etc. but it all includes table, table fill, support frame and table leg, and two vertical fixing of table leg are in the both sides of support frame, and the table fill is fixed on the support frame for storing apparatus such as schoolbag, books, and the table level is laid on the support frame and is covered the table fill. The whole structure of the desk is stable, but the distance between the front desk and the rear desk is limited due to the space limitation of a classroom, and the seat is movably arranged between the two desks, so that the movement of the seat is relatively limited. Especially in order to satisfy student's afternoon nap's demand, part of seat is designed to be expandable, and length dimension after the front and back expansion is great, and is higher to the space requirement.

As disclosed in patent document (application number: 202222019883.3), a dual-purpose desk and chair for afternoon nap on a desk and chair comprises a desk frame, wherein a desk is arranged on the upper part of the desk frame through bolts; a second bottom support plate is arranged on the left side of the first bottom support plate; the upper part of the second bottom support plate is provided with a positioning bracket structure; the upper part of the positioning bracket structure is provided with a movable seat frame structure; an adjustable limit seat frame structure is arranged at the upper part of the right side of the movable seat frame structure; the movable backrest is arranged on the left side of the movable seat frame structure, the movable backrest is connected with the second shaft plate in a shaft mode, meanwhile, the movable backrest is in contact with the limiting support, the movable backrest can move back and forth in the second shaft plate when the movable seat frame structure is used, namely, the movable backrest is used for afternoon nap through unfolding, but the movable backrest obviously occupies a larger rear space after being unfolded, namely, interference with a rear desk can occur when the movable seat frame structure is actually used, the first bottom support plate and the second bottom support plate are arranged in a front-back adjacent mode, the seat is difficult to move forward to avoid the rear desk, unless the size of the first bottom support plate is reduced to avoid the second bottom support plate, the desk is unstable in support, toppling occurs when unbalanced stress, and stability is poor.

Disclosure of Invention

The invention aims at solving the problems in the prior art, and provides a desk for solving the problems of the prior desk on how to consider the convenience and stability of use.

The aim of the invention can be achieved by the following technical scheme: the utility model provides a desk, includes table, cantilever beam, left table foot and right table foot, its characterized in that, the cantilever beam has two and front and back to distribute, and two cantilever beams all set up along transversely, the table is laid on two cantilever beams, two be connected with the table leg of vertical setting between the left end of cantilever beam arm and the left table foot, two the unsettled setting of right-hand member of cantilever beam, right table foot sets up the below at two cantilever beam right-hand member, left side table foot and right table foot all are rectangular form and set up along the fore-and-aft direction, the desk still includes the bracing piece, and this bracing piece is parallel with above-mentioned cantilever beam, and the left end of bracing piece is fixed on the table leg and is higher than left table foot, and the right-hand member is fixed on right table foot.

The desk has the advantages that the desk leg is only one, the right end of the cantilever beam is suspended, the desk leg can be fixed on the right desk leg according to arrangement requirements, the left end is suspended, no desk leg is supported, one suspended end of the desk faces the walkway when the desk is used, barrier barriers such as the desk leg do not exist between the space below the desk plate and the walkway space, and students can move in and out the two legs from the side part below the desk plate in a sitting state, so that sitting is more convenient. The seat also can be moved in and out from the lateral part below the desk, combine the right-hand member of bracing piece to buckle downwards and then fix on right table foot, this also makes the bracing piece below form certain space, the step of student of being convenient for stretches into, especially, to can expand into the seat that the deck chair is used for afternoon nap, have certain length when the seat expands into the deck chair and use, can interfere each other because of the space problem when the same row of seat is expanded along fore-and-aft direction simultaneously, but because the unsettled space that combines the bracing piece below in this desk one side for the chair foot can pass from the space below the bracing piece, can incline the front end of the deck chair of expanding to the pavement from the unsettled one side of desk this moment, make full use of the width of pavement, it is more convenient to use. And to the unsettled stability after the cantilever beam right-hand member, this desk sets up two cantilever beams for the table has four fulcrums that are the rectangle and distribute, and two cantilever beams that transversely set up and left table foot and the right table foot formation that set up around correspond, make the table more stable. The right table leg is located the unsettled right-hand member below of cantilever beam, and the bracing piece both ends are fixed respectively between table leg and right table leg, and bracing piece and cantilever beam looks parallel arrangement, therefore the unsettled right-hand member of cantilever beam receives pressure can be transmitted to the right-hand member of bracing piece through the table leg, transmits promptly to right table leg and supports for cantilever beam unsettled right-hand member below produces the fulcrum, avoids the desk to empty, and left table leg and right table leg have four fulcrums, makes the desk more stable. Further, because the cantilever beam right-hand member is unsettled for there is the trend of tilting to the right after the table leg atress, for this bracing piece left end is higher than the table foot, makes the tie point of table leg and left table foot, bracing piece and right table foot's tie point and bracing piece and table leg's tie point form the triangle support, and the bracing piece can support the table leg promptly, avoids its tilting deformation to the right, improves the stability in use of desk.

In the desk, the left desk leg and the right desk leg are arranged in parallel, the supporting rods are positioned in the middle of the length directions of the left desk leg and the right desk leg, and the two cantilever beams are symmetrically distributed relative to the vertical plane where the supporting rods are positioned. When playing stable support, left table foot and right table foot bilateral symmetry that parallels, the bracing piece is located left table foot and right table foot length direction's middle part, and the fore-and-aft symmetry promptly, consequently can be according to the distribution of pavement in the classroom for the unsettled one end of desk can be left, also can right, and left table foot, right table foot and bracing piece's position and overall arrangement are unchangeable, and the suitability is stronger.

In the desk, the supporting rod is L-shaped and comprises a horizontal section and a vertical section bent downwards, the horizontal section is horizontally arranged along the transverse direction, the left end of the horizontal section is fixed on the desk leg, and the lower end of the vertical section is fixed on the right desk leg. The bracing piece can be integral type structure and buckle and form, also can adopt the welding to form L shape, the bracing piece of L shape has bigger stiffness and structural strength, the bracing piece is L shape, the effect of triangle support is also played in practice, the setting of vertical section simultaneously, make the horizontal segment below have the space, the chair foot of seat can pass from the horizontal segment below, especially when the unsettled one side slope of seat front end follow desk to the pavement, a chair foot can pass from the horizontal segment below, another chair foot stretches into in the passageway, make full use of pavement's width, it is more convenient to use.

In the desk, the horizontal section and the vertical section are in arc transition, and the lower edge of the horizontal section is higher than the upper side surfaces of the left desk leg and the right desk leg. The arc transition of horizontal segment and vertical section reduces sharp angle form protrusion, and is safer, and the chair foot height of seat is high with left table foot and right table foot's height-approach generally, consequently highly is higher than left table foot and right table foot upper side height with horizontal segment lower border, guarantees that the chair foot of seat can pass.

In the desk, the desk legs comprise two telescopic rods which are vertically arranged, the two telescopic rods are distributed front and back, the lower ends of the two telescopic rods are fixed on the left desk legs, and the upper ends of the two telescopic rods are fixedly connected with the left ends of the two cantilever beams respectively. The two telescopic rods arranged front and back respectively correspond to the two cantilever beams, so that the support is more stable.

In the desk, a reinforcing vertical rod arranged along the front-back direction is fixed between the two telescopic rods, a reinforcing vertical rod arranged along the vertical direction is fixed between the middle part of the reinforcing vertical rod and the left desk leg, and the left end of the supporting rod is fixed on the reinforcing vertical rod. Strengthen the vertical pole and strengthen the montant and all play the enhancement effect, wherein strengthen the vertical pole and support two telescopic links, guarantee the structural strength of table leg, strengthen the montant and be used for connecting the bracing piece, the bracing piece supports the table leg through strengthening the vertical pole, improves stability.

In the desk, the left ends of the two cantilever beams are perpendicular to the telescopic rods and lower than the upper ends of the telescopic rods, the right ends of the two cantilever beams are bent upwards to form connecting parts, the upper ends of the two telescopic rods and the upper ends of the connecting parts are horizontally fixed with long mounting plates, and the desk plate is fixed on the two mounting plates. The upper end of the connecting part of the cantilever beam and the upper end of the telescopic rod are respectively positioned at two lateral sides of the table bucket, so that the overall structural strength is improved.

In the desk, the vertical width of the cantilever beam at the rear side is smaller than the vertical width of the cantilever beam at the front side, and the upper edges of the two cantilever beams are flush. Namely, the lower edge of the cantilever beam at the rear side is higher than the lower edge of the cantilever beam at the front side, so that a larger space is reserved below the cantilever beam at the rear side, and the interference to the legs of students is avoided.

In the desk, a table bucket is further fixed on the lower side face of the table plate, the table bucket is located above the two cantilever beams, and the table bucket is provided with a backward opening. The two lateral sides of the table bucket are fixed and supported, so that the table bucket is more stable.

In the desk, the telescopic link all includes body and body of rod, the lower extreme of body of rod is fixed on left table foot, the upper end and the cantilever Liang Xianggu of body of rod link, the lower extreme of body of rod is slided and is pegged graft in the upper end of body of rod, a plurality of locating holes have been seted up along vertical on the body of tube lateral wall, be equipped with the elastic pin that can stretch out and draw back on the body of rod, and the elastic pin can peg graft the location in the locating hole. Through the flexible setting of body of rod and body, can adjust the height of table, be applicable to the student of different heights, the suitability is stronger.

Compared with the prior art, the desk has the following advantages:

1. as the right end of the cantilever beam of the desk is suspended, students can move the legs in and out from the side part below the desk plate in a sitting state, so that sitting is more convenient. When the seat is unfolded to form the deck chair for use, the front end of the unfolded deck chair can be inclined to the walkway from the suspended side of the desk, the width of the walkway is fully utilized, and the use is more convenient.

2. Because the desk sets up two cantilever beams for the table has four fulcrums that are the rectangle and distribute, and two cantilever beams that transversely set up form with left table foot and right table foot and correspond, make the table more stable, wherein right table foot is located the below of cantilever beam right-hand member, and when the unsettled one end atress of table, effort can be passed for right table foot through two cantilever beams, table leg and bracing piece and support, avoids the desk to empty.

3. Because the one end that the bracing piece connected the table leg is higher than left table foot, the bracing piece can support the table leg, avoids its right side slope deformation, improves the stability in use of desk.

4. Because the bracing piece is L shape for the horizontal segment below has the space, and the chair foot of seat can pass from the horizontal segment below, and especially when the unsettled one side of seat front end follow desk of expansion was unsettled to the pavement, a chair foot can pass from the horizontal segment below, and another chair foot stretches into in the passageway, and the width of make full use of pavement is more convenient to use.

Drawings

Fig. 1 is a schematic perspective view of a desk.

FIG. 2 is a structural formal view of the desk.

Fig. 3 is a schematic perspective view of a desk at a second view angle.

Fig. 4 is a schematic perspective view of the desk without the desk plate and the desk bucket.

Fig. 5 is a schematic perspective view of a third view of the desk.

Fig. 6 is a schematic perspective view of the desk and the seat in a matched state.

FIG. 7 is a top view of the desk and chair in a mated configuration.

Fig. 8 is a schematic perspective view of a desk in the second embodiment without a desk top and a desk bucket.

In the figure, 1, a table plate; 2. a cantilever beam; 21. a connection part; 22. a mounting plate; 23. a connecting rod; 3. a table leg; 31. a telescopic rod; 311. a tube body; 312. a rod body; 313. positioning holes; 314. an elastic pin; 32. a reinforcing longitudinal bar; 33. reinforcing vertical rods; 4a, left desk legs; 4b, right desk legs; 5. a support rod; 51. a horizontal section; 52. a vertical section; 6. a table bucket; 61. fixing and flanging; 62. an opening; 7. a seat; 71. chair legs.

Detailed Description

The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

Embodiment one:

as shown in fig. 1 and 2, a desk comprises a desk plate 1, a desk bucket 6, two cantilever beams 2, desk legs 3, a supporting rod 5, a left desk leg 4a and a right desk leg 4b, wherein the two cantilever beams 2 are distributed front and back, each cantilever beam 2 is transversely arranged, the desk plate 1 is rectangular and horizontally paved on the two cantilever beams 2, the desk bucket 6 is fixed on the lower side surface of the desk plate 1 and is located above the cantilever beams 2, and the desk bucket 6 is provided with a backward opening 62. The vertical setting of table leg 3, and the lower extreme of table leg 3 is fixed on left table foot 4a, the upper end at table leg 3 is all fixed to the left end of two cantilever beams 2, the unsettled setting of right-hand member of two cantilever beams 2, right table foot 4b sets up the below at the right-hand member of two cantilever beams 2, left table foot 4a and right table foot 4b all are rectangular form and set up along the fore-and-aft direction, and left table foot 4a and right table foot 4b are parallel, the left end of this bracing piece 5 is fixed on table leg 3 and is higher than left table foot 4a, the right-hand member is fixed on right table foot 4 b.

Specifically, referring to fig. 3 and 4, the table leg 3 includes two vertically disposed telescopic rods 31, the two telescopic rods 31 are distributed along the front-rear direction, the lengths of the left table leg 4a and the right table leg 4b are both greater than the width of the table board 1 along the front-rear direction, the distance between the outer edges of the left table leg 4a and the right table leg 4b is greater than the width of the table board 1 along the transverse direction, the upper ends of the two telescopic rods 31 are respectively fixedly connected with the left ends of the two cantilever beams 2, and the lower ends of the two telescopic rods 31 are both fixed on the left table leg 4 a. A reinforcing vertical rod 32 is fixed between the two telescopic rods 31, the reinforcing vertical rod 32 is arranged along the front-back direction, a reinforcing vertical rod 33 is fixed between the middle part of the reinforcing vertical rod 32 and the lower left table leg 4a, and the reinforcing vertical rod 33 is arranged along the vertical direction and is positioned at the middle part of the length direction of the left table leg 4 a. The bracing piece 5 is L shape, including horizontal segment 51 and vertical section 52, horizontal segment 51 and vertical section 52 can be the bending formation, also can be the welding link firmly, and horizontal segment 51 sets up along horizontal level, and the left end of horizontal segment 51 is fixed on strengthening montant 33, and the lower extreme of vertical section 52 is fixed at right table foot 4b middle part, and horizontal segment 51 is arc transition with vertical section 52, and the lower border of horizontal segment 51 is higher than the upside of left table foot 4a and right table foot 4 b.

Referring to fig. 5, the telescopic rods 31 comprise a tube body 311 and a rod body 312, the lower ends of the two tube bodies 311 are fixed on the left table leg 4a, the lower ends of the two rod bodies 312 are respectively slidably inserted into the upper ends of the two tube bodies 311, a plurality of positioning holes 313 are vertically formed in the side wall of the tube body 311, elastic pins 314 capable of stretching are arranged on the rod body 312, springs acting on the elastic pins 314 are arranged in the rod body 312, and when the elastic pins 314 are opposite to the positioning holes 313, the elastic pins 314 are inserted into the positioning holes 313, and the elastic pins 314 are pressed when the height of the table plate 1 needs to be adjusted. The cantilever beams 2 on the rear side are smaller than the cantilever beams 2 on the front side in vertical width, namely the lower edge of the cantilever beams 2 on the rear side is higher than the lower edge of the cantilever beams 2 on the front side, the upper edges of the two cantilever beams 2 are flush, the left ends of the two cantilever beams 2 are respectively and vertically fixed at the upper ends of the two rod bodies 312, the right ends are respectively and upwardly bent to form connecting parts 21, the upper ends of the two rod bodies 312 and the upper ends of the two connecting parts 21 are respectively and horizontally fixed with long mounting plates 22, and the two mounting plates 22 are respectively arranged in parallel along the front-rear direction. The two transverse edges of the table bucket 6 are outwards bent to form fixed flanges 61, the two fixed flanges 61 are respectively hung on the two mounting plates 22, the table plate 1 is flatly paved above the table bucket 6, the lower side surface of the table plate 1 is attached to the upper side surface of the fixed flanges 61, and the mounting plates 22, the fixed flanges 61 and the table plate 1 are fixed through screws.

As shown in fig. 6 and 7, the desk can be matched with the foldable seat 7, and has a certain length when the seat 7 is unfolded to form the deck chair, as one transverse end of the desk is suspended without the desk legs 3 for supporting, one suspended end of the desk faces the walkway, so that the space below the desk plate 1 and the walkway space are free from barrier barriers such as the desk legs 3, the front end of the unfolded seat 7 can incline to the walkway from one suspended side of the desk, one chair leg 71 passes through the lower part of the supporting rod 5, the other chair leg 71 stretches into the walkway, the width of the walkway is fully utilized, and the use is more convenient.

Embodiment two:

the structure of the desk is basically the same as that of the first embodiment, and the difference is that as shown in fig. 8, the desk leg 3 includes a telescopic rod 31, the specific structure of the telescopic rod 31 is the same as that of the first embodiment, the lower end of the telescopic rod 31 is fixed in the middle of the left desk leg 4a, the upper end is horizontally fixed with a connecting rod 23, the connecting rod 23 is arranged along the front-back direction, and the left ends of the two cantilever beams 2 are both fixed on the connecting rod 23.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the table 1, the cantilever beam 2, the connection portion 21, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.

Claims (10)

1. The utility model provides a desk, includes table (1), cantilever beam (2), left foot (4 a) and right foot (4 b), its characterized in that, cantilever beam (2) have two and around distributing, and two cantilever beams (2) all follow horizontal setting, table (1) are laid on two cantilever beams (2), two be connected with table leg (3) of vertical setting between the left end of cantilever beam arm (2) and left foot (4 a), two the unsettled setting of right-hand member of cantilever beam (2), right foot (4 b) set up in the below of two cantilever beam (2) right-hand member, left foot (4 a) and right foot (4 b) all are rectangular form and set up along the fore-and-aft direction, the desk still includes bracing piece (5), and this bracing piece (5) are parallel with above-mentioned cantilever beam (2), and the left end of bracing piece (5) is fixed on table leg (3) and is higher than left foot (4 a), and right-hand member is fixed on right foot (4 b).

2. The desk of claim 1, wherein the left leg (4 a) and the right leg (4 b) are arranged in parallel, the support rod (5) is located at the middle part of the left leg (4 a) and the right leg (4 b) in the length direction, and the two cantilever beams (2) are symmetrically distributed relative to the vertical plane where the support rod (5) is located.

3. Desk according to claim 2, characterized in that the support bar (5) is L-shaped and comprises a horizontal section (51) and a vertical section (52) formed by bending downwards, the horizontal section (51) is horizontally arranged along the transverse direction, the left end of the horizontal section (51) is fixed on the desk leg (3), and the lower end of the vertical section (52) is fixed on the right desk leg (4 b).

4. A desk according to claim 3, characterized in that the horizontal section (51) and the vertical section (52) are in arc transition, and the lower edge of the horizontal section (51) is higher than the upper sides of the left leg (4 a) and the right leg (4 b).

5. Desk according to any one of claims 1 to 4, characterized in that the desk leg (3) comprises two vertically arranged telescopic rods (31), the two telescopic rods (31) are distributed back and forth, the lower ends of the two telescopic rods (31) are fixed on the left desk leg (4 a), and the upper ends of the two telescopic rods are respectively fixedly connected with the left ends of the two cantilever beams (2).

6. Desk according to claim 5, characterized in that a reinforcing vertical rod (32) arranged along the front-rear direction is fixed between the two telescopic rods (31), a reinforcing vertical rod (33) arranged along the vertical direction is fixed between the middle part of the reinforcing vertical rod (32) and the left desk leg (4 a), and the left end of the supporting rod (5) is fixed on the reinforcing vertical rod (33).

7. The desk of claim 5, wherein the left ends of the two cantilever beams (2) are perpendicular to the telescopic rods (31) and lower than the upper ends of the telescopic rods (31), the right ends of the two cantilever beams are bent upwards to form connecting parts (21), the upper ends of the two telescopic rods (31) and the upper ends of the two connecting parts (21) are horizontally fixed with long mounting plates (22), and the desk plate (1) is fixed on the two mounting plates (22).

8. Desk according to claim 7, characterized in that the cantilever beams (2) on the rear side have a smaller vertical width than the cantilever beams (2) on the front side, and the upper edges of the two cantilever beams (2) are flush.

9. Desk according to claim 7, characterized in that a table bucket (6) is also fixed to the underside of the table (1), the table bucket (6) being located above the two cantilever beams (2), and the table bucket (6) having a rearward facing opening (62).

10. The desk of claim 5, wherein the telescopic rods (31) comprise a tube body (311) and a rod body (312), the lower ends of the tube body (311) are fixed on the left desk leg (4 a), the upper ends of the rod body (312) are fixedly connected with the cantilever beams (2), the lower ends of the rod body (312) are slidably inserted into the upper ends of the tube body (311), a plurality of positioning holes (313) are vertically formed in the side walls of the tube body (311), elastic pins (314) capable of stretching are arranged on the rod body (312), and the elastic pins (314) can be inserted and positioned in the positioning holes (313).