CN218164574U - High-strength desk and chair - Google Patents

Abstract

The utility model provides a high strength desk chair, relates to the teaching facility field, including front desk and back row class table chair, the front desk includes the front desk, two front drawers of terminal surface fixedly connected with under the front aluminium system frame, the three front aluminium system frame of terminal surface equidistance fixedly connected with under the front desk, front aluminium system frame is "M" type, back row class table chair includes that the equidistance distributes the three back row aluminium system framework that sets up, adjacent two respectively fixedly connected with back, every under the back row aluminium system framework the terminal surface all is "claw" style of calligraphy setting, the utility model discloses a design desk chair's footing structure, the power that reinforcing desk chair can bear on horizontal direction and vertical direction increases the intensity of desk chair, avoids the student to lead to the fact rocking or even slope damage phenomenon of row formula desk chair behind the nonstandard use desk chair.

Description

High-strength desk and chair

Technical Field

The utility model belongs to the technical field of teaching facility and specifically relates to a high strength desk chair.

Background

The ladder classroom is generally seen in universities, and also seen in some middle and primary schools, the classroom is large in area and large in number of people, and the floor is characterized in that the floor is gradually increased in a ladder shape, the distance from a platform is far, the ground is high, and a seat is high, so that students far away from the platform and behind the seat can clearly see a blackboard and the platform, the sight of the students in the front row cannot be blocked, and meanwhile, the ladder classroom uses the chairs in the row as desks and chairs.

However, in a step classroom, some students do not use the desks and chairs in a standard way to cause the shaking and even the inclined damage of the tandem desks and chairs.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high strength desk chair to solve the problem of proposing among the above-mentioned background art.

The utility model provides a its technical problem take following technical scheme to realize:

a high-strength desk and chair comprises a front desk and a rear desk, wherein the front desk comprises a front row desktop, two front row drawers are fixedly connected to the lower end face of a front row aluminum frame, three front row aluminum frames are fixedly connected to the lower end face of the front row desktop at equal intervals, the front row aluminum frames are in an M shape, front row crossbars are fixedly connected between every two adjacent front row aluminum frames, front row fixing pieces are fixedly connected to bottom feet of each front row aluminum frame respectively, through holes distributed at equal intervals are formed in the upper end faces of the front row fixing pieces, front row crossbars are fixedly arranged between every two adjacent front row aluminum frames respectively, the rear desk and chair comprises three rear row aluminum frames distributed at equal intervals, a backrest is fixedly connected between every two adjacent rear row aluminum frames respectively, and the lower end faces of the rear row aluminum frames are in a claw shape, each back row aluminum frame body is provided with countersunk holes on the bottom end face, the lower end faces of two bottom feet close to the front row desk in each back row aluminum frame body are fixedly connected with back row fixing pieces, the lower end face of the left bottom corner of each back row aluminum frame body is fixedly connected with a bottom foot fixing piece, each back row fixing piece is provided with six through holes, the middle two through holes are concentric with the countersunk holes on the two bottom feet close to the front row desk in the back row aluminum frame body, back row transverse supports are respectively and fixedly connected between the bottom feet far away from the front row desk in the two adjacent back row aluminum frame bodies, seat rotating shafts are respectively and rotatably connected between the two adjacent back row aluminum frame bodies, seat connecting pieces are respectively and fixedly connected on each seat rotating shaft, and a seat is fixedly connected on the upper end face of each seat connecting piece, and a storage assembly is arranged between the left end faces of the two adjacent back-row aluminum frame bodies.

Preferably, each of the storage assemblies includes a rotating shaft space disposed in each of the back-row aluminum frames, a rotating shaft fixing member is fixedly connected to a concave end of each of the rotating shaft spaces, two table rotating shafts are rotatably connected between two adjacent rotating shaft fixing members, a back-row table top is rotatably connected to the table rotating shaft on the upper side, a back-row drawer is rotatably connected to the table rotating shaft on the lower side, six brackets are respectively hinged between each back-row table top and the front end and the back end of the corresponding back-row drawer, a baffle is fixedly connected to a left end surface of each backrest, two limiting members are disposed on a left side of each backrest, each limiting member is rotatably connected to and mounted on the corresponding back-row aluminum frame through a rotating shaft, and when a student sits on a seat, two limiting members in front of a rotating surface are rotated, the back rest can rotate anticlockwise along the rotating shaft of the corresponding desk plate so as to control each support to rotate, so as to control the rotation of the back row drawer, after the back row desktop rotates for a certain angle, the lower end face of the back row desktop contacts with the corresponding baffle to stop rotating, so as to stop rotating each support, so as to stop rotating each back row drawer, so as to form a study space for the student desk, after the student stops studying, the back row desktop is pushed clockwise so as to control each support to rotate, so as to control the rotation of the back row drawer, after the back row desktop rotates for a certain angle, the corresponding two limiting parts are rotated, so as to fix the back row desktop, so as to stop rotating the supports, so as to stop rotating the back row drawer, and thus the fixation of the back row desktop and the back row drawer is realized, the space is saved, so that students can enter and exit more conveniently, the collision to the desk is reduced, the desk is prevented from being knocked down when the students hit the desk, meanwhile, the back row drawer is at a certain inclination angle when being in a retracted state, certain book files can be placed after the desk board is retracted, and a certain amount of files can be placed on the students without using the desk.

Preferably, triangular reinforcing ribs are fixedly distributed between the upper end face of each front row fixing piece and the outer end face of the front row aluminum frame at equal intervals and are in staggered distribution with the through holes in the front row fixing pieces, so that the connection between the front row aluminum frame and the front row fixing pieces is enhanced, meanwhile, the two adjacent reinforcing ribs are fixed through screws, the stability of the front row aluminum frame is further improved, the strength between each front row aluminum frame and the corresponding front row fixing piece is greatly increased, and the possibility of shaking of the table is reduced.

Preferably, each rear aluminum frame left side footing is circular-arc downwards, and lower terminal surface fixed connection the footing mounting, each footing mounting fixed connection is on the higher rank ladder, when leaning on the back or the student at the back props on the rear desktop, can give the back a power of oblique downward direction to transmit for rear aluminum frame slant power down, every rear aluminum frame's left side footing can support certain horizontal power, thereby reduces the torsion that other footing received, has reduced the probability that desk chair footing damaged simultaneously, has increased desk chair life.

As preferred, every the front stall stull with back row stull surface all evenly is provided with the surface and is the bellied ebonite of graininess, through with two the front stall stull is with three front stall aluminium system frame fixed connection becomes a whole, thereby further increases the intensity of front stall desk, simultaneously the back row stull is with three back row aluminium system framework fixed connection becomes a whole, thereby makes back direction of transfer is oblique decurrent power evenly distributed to three on the back row aluminium system framework, thereby further strengthened the intensity of back row class table chair, and the back row stull with the front stall stull can provide the effect of stepping up the foot for the student, and the posture is more comfortable when not only making the student study, and the graininess arch can massage for the foot moreover to refresh the student and more be absorbed in study.

As preferred, the back row desktop with the up end of back row drawer is being close to back one side is equipped with protruding piece respectively, just be equipped with the recess between back row desktop up end and the protruding piece, protruding piece can be when the student study, avoid pen or file from the storage component with landing in the space between the back, the pen can fall into little recess internal fixation rolling simultaneously, has reduced the possibility that student's study articles for use dropped to the front stall.

The utility model has the advantages that:

1. the utility model discloses a front-seat aluminium system frame sets up to "M" type, makes the useful three high triangular structure of compressive strength of front-seat aluminium system frame, simultaneously every front-seat mounting up end with equidistant distribution has set firmly three horn shape strengthening ribs between the outer terminal surface of front-seat aluminium system frame, makes front-seat aluminium system frame more can bear the shear stress of horizontal direction to ensure that the student bulldozes during the front-seat desk, guarantee the stability of front-seat desk reduces the possibility that takes place to rock and incline.

2. The utility model discloses a set up every back row aluminium system framework left side footing be slant decurrent circular-arc, through footing mounting fixed connection can support the student and lean on the ladder of higher one-level or back student props the oblique downward force that produces when on the back row desktop to reduce the torsion that other footings received, reduced the probability that the desk chair footing damaged simultaneously, increased desk chair life.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic view of the overall front view structure of a high-strength desk and chair of the present invention;

fig. 2 is a left side view of the aluminum frame 18 of fig. 1;

FIG. 3 is an enlarged view of a portion A of FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1B according to the present invention;

fig. 5 is a schematic top view of the front row of fixing members 11 in fig. 1 according to the present invention;

FIG. 6 is a top expanded view of the back row of table tops 21 of FIG. 1 according to the present invention;

fig. 7 is a schematic top view of the rear row fixing member 27 of fig. 1 according to the present invention.

The scores in the figures are as follows: 11. a front row of fasteners; 13. a front row aluminum frame; 14. a front row of drawers; 15. a front row of table tops; 16. front row cross braces; 17. a seat; 18. a rear row aluminum frame body; 19. a limiting member; 21. a rear row of table tops; 23. a support; 24. a rear row of drawers; 25. a baffle plate; 26. a footing fixing member; 27. a rear row of fixing pieces; 28. a rear row of transverse struts; 29. a seat attachment; 30. a seat spindle; 34. a table board rotating shaft; 35. a rotating shaft fixing member; 36. a spindle space; 37. a backrest; 201. a receiving assembly; K. a front row desk; n, back row class table chair.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

The invention will be described in detail with reference to fig. 1 to 6, wherein for the sake of convenience of description, the following orientations are defined as follows: the up-down, left-right, front-back direction described below is consistent with the front-back, left-right, top-down direction of the view direction of fig. 1, fig. 1 is the front view of the device of the present invention, and the direction shown in fig. 1 is consistent with the front-back, left-right, top-down direction of the front view direction of the device of the present invention.

The embodiments of the present invention will be described in detail with reference to the accompanying drawings:

referring to fig. 1-6, the present invention provides an embodiment: the utility model provides a high strength desk chair, includes front desk K and back desk N, front desk K includes front row desktop 15, terminal surface fixedly connected with two front row drawers 14 under front row aluminium system frame 13, terminal surface equidistance fixedly connected with three front row aluminium system frame 13 under front row desktop 15, front row aluminium system frame 13 is "M" type, adjacent two respectively fixedly connected with front row stull 16 between front row aluminium system frame 13, every front row aluminium system frame 13 footing is fixedly connected with front row mounting 11 respectively, every front row mounting 11 up end is equipped with the through-hole that the equidistance distributes, adjacent two respectively set firmly front row stull 16 between front row aluminium system frame 13, back desk N includes three back row aluminium system frame 18 that the equidistance distributes the setting, adjacent two respectively fixedly connected with back 37 between back row aluminium system frame 18, every back row aluminium system frame 18 down end all is "claw" style of calligraphy setting, every back row aluminium system frame 18 all is equipped with the first hole, every front row aluminium system frame K is close to two back desk K fixed footing through-hole 27 in the back of front row aluminium system frame 18, is close to two back desk K fixed footing through-hole 27 in the back aluminium system frame 18, two back desk K fixed connection of back footing 18 are close to the concentric through-row aluminium system frame bottom through-hole 26 respectively, every be fixedly connected with seat connecting piece 29 on the seat pivot 30 respectively, every seat connecting piece 29 up end fixedly connected with seat 17, adjacent two be provided with between the left end face of back row aluminium system framework 18 and accomodate the subassembly 201, when fixed desk chair, utilize every through-hole that sets up on the front-row mounting 11 passes thirty-six screws through the through-hole and fixes subaerial, makes front-row mounting 11 is connected more firmly with ground, and "M" type design lets front-row aluminium system frame 13 has three triangular structure simultaneously, makes front-row aluminium system frame 13 is difficult to the slope deformation, increases the pressure that front-row desk K can bear for even make the desk that shakes by strength, the problem that can not appear rocking, simultaneously the screw passes every four through-holes around back row mounting 27, thereby strengthen the connection of back row table chair N and ground, the screw passes the countersunk hole on the back row aluminium system framework 18 footing and the through-hole in the middle of back row mounting 27 is connected with ground simultaneously, thereby tightly press every back row aluminium system framework 18 on corresponding back row mounting 27, great increase with the ground degree of desk chair and the not firm when avoiding the desk chair to rock the problem.

In addition, in an embodiment, each of the storage assemblies 201 includes a rotation shaft space 36 disposed in each of the back row aluminum frames 18, a rotation shaft fixing member 35 is fixedly connected to a concave end of each of the rotation shaft spaces 36, two table rotation shafts 34 are rotatably connected between two adjacent rotation shaft fixing members 35, a back row table 21 is rotatably connected to the table rotation shaft 34 located at the upper side, a back row drawer 24 is rotatably connected to the table rotation shaft 34 located at the lower side, six brackets 23 are respectively hinged between each back row table 21 and front and back ends of the corresponding back row drawer 24, a baffle 25 is fixedly connected to a left end surface of each back 37, two stoppers 19 are disposed on the left side of each back 37, each stopper 19 is rotatably connected to the corresponding back row aluminum frame 18 through a rotation shaft, when a student sits on the seat, the two limiting members 19 in front of the surface are rotated, so that the backrest 37 can rotate along the corresponding table board rotating shaft 34 anticlockwise, thereby controlling each bracket 23 to rotate, thereby controlling the back row drawer 24 to rotate, after the back row table board 21 rotates for a certain angle, the lower end surface of the back row table board 21 contacts with the corresponding baffle 25 to stop rotating, thereby stopping each bracket 23 to rotate, thereby stopping the back row drawer 24 to rotate, thereby providing a study space for the student, after the student stops studying, the back row table board 21 is pushed clockwise, thereby controlling each bracket 23 to rotate, thereby controlling the back row drawer 24 to rotate, after the back row table board 21 rotates for a certain angle, the corresponding two limiting members 19 are rotated, thereby fixing the back row table board 21, thereby make support 23 stall makes back row drawer 24 stall realizes back row desktop 21 with back row drawer 24's is fixed, has practiced thrift the space for the student is more convenient when passing in and out, reduces the collision to the desk, has avoided knocking down the desk when having bumped the student, simultaneously back row drawer 24 is certain inclination when packing up the state, can place certain books file after receiving the desk board, makes the student also can lay a certain amount of file at the desk of not utilizing.

In addition, in an embodiment, triangular reinforcing ribs are fixedly distributed between the upper end surface of each front row fixing member 11 and the outer end surface of the front row aluminum frame 13 at equal intervals, and are staggered with the through holes on the front row fixing member 11, so that the connection between the front row aluminum frame 13 and the front row fixing member 11 is enhanced, meanwhile, the stability of the front row aluminum frame is further improved by fixing two adjacent reinforcing ribs through screws, the strength between each front row aluminum frame 13 and the corresponding front row fixing member 11 is greatly increased, and the possibility of table shaking is reduced.

In addition, in an embodiment, each left side foot of the rear row aluminum frame 18 is in a shape of an arc inclined downwards, the lower end surface of the rear row aluminum frame is fixedly connected with the foot fixing member 26, each foot fixing member 26 is fixedly connected to a higher step, when a student leans on the backrest 37 or a rear student is supported on the rear row tabletop 21, a force obliquely downwards is given to the backrest 37, so that the force obliquely downwards is transmitted to the rear row aluminum frame 18, and the left side foot of each rear row aluminum frame 18 can support a certain transverse force, so that torsion applied to other feet is reduced, meanwhile, the probability of damage to the feet of tables and chairs is reduced, and the service life of the tables and chairs is prolonged.

In addition, in an embodiment, every front stall stull 16 with back row stull 28 surface all evenly is provided with the surface and is the bellied ebonite of graininess, through with two front stall stull 16 will be three front stall aluminium system frame 13 fixed connection becomes a whole, thereby further increases front stall desk K's intensity, simultaneously back stall stull 28 will be three back stall aluminium system framework 18 fixed connection becomes a whole, thereby makes back 37 direction of transfer be oblique decurrent power evenly distributed to three on the back stall aluminium system framework 18, thereby further strengthened back row class table chair N's intensity, and back stall stull 28 with front stall stull 16 can provide the effect of stepping up the foot for the student, and not only makes the student's posture more comfortable when studying, and the graininess arch can massage for the foot moreover, thereby refreshes the student and more concentrates on study.

In addition, in an embodiment, back row desktop 21 with back row drawer 24's up end is being close to back 37 one side is equipped with protruding piece respectively, just be equipped with the recess between back row desktop 21 up end and the protruding piece, protruding piece can be when the student study, avoid pen or file from take in the subassembly 201 with landing in the space between the back 37, the pen can fall into little recess internal fixation in the roll simultaneously, has reduced the possibility that student's study article fell the front stall.

In specific implementation, when the desk and chair is fixed, thirty-six screws penetrate through the through holes formed in each front row fixing piece 11 to be fixed on the ground, so that the front row fixing pieces 11 are more firmly connected with the ground, meanwhile, the front row aluminum frame 13 has three triangular structures due to the M-shaped design, so that the front row aluminum frame 13 is not easy to incline and deform, the pressure borne by the front row desk K is increased, triangular reinforcing ribs are fixedly distributed between the upper end surface of each front row fixing piece 11 and the outer end surface of the front row aluminum frame 13 at equal intervals and are staggered with the through holes in the front row fixing pieces 11, the connection between the front row aluminum frame 13 and the front row fixing pieces 11 is enhanced, and the stability of the desk and chair is further improved due to the fact that the screws are fixed between the two adjacent reinforcing ribs, the strength between each front row aluminum frame 13 and the corresponding front row fixing member 11 is greatly increased, so that even if a student shakes the desk vigorously, the problem of shaking does not occur, meanwhile, screws pass through four through holes at the periphery of each rear row fixing member 27, so that the connection between the rear row desk and chair N and the ground is strengthened, meanwhile, the screws pass through countersunk holes on the bottom feet of the rear row aluminum frame 18 and through holes in the middle of the rear row fixing members 27, so that each rear row aluminum frame 18 is tightly pressed on the corresponding rear row fixing members 27, the firmness degree of the desk and chair and the ground is greatly increased, the problem of shaking and even inclination caused by improper use is avoided, when the student sits on the seat, the two limiting members 19 in front of the surface are rotated, so that the backrest 37 can rotate along the corresponding desk plate rotating shaft 34 anticlockwise, thereby controlling each support 23 to rotate, thereby controlling the back row drawer 24 to rotate, after the back row desktop 21 rotates for a certain angle, the lower end surface of the back row desktop 21 contacts with the baffle 25 to stop rotating, thereby each support 23 stops rotating, thereby the back row drawer 24 stops rotating, thereby becoming the desk supply study space of the student, meanwhile, the upper end surfaces of the back row desktop 21 and the back row drawer 24 are respectively provided with a convex block, thereby preventing the pen or the file from sliding down from the gap between the storage component 201 and the backrest 37 when the student studies, simultaneously, the upper end surface of the back row desktop 21 and the convex block are provided with a groove, so that the pen can fall into the small groove for fixation when rolling, thereby reducing the possibility that the study articles of the student fall into the front row, meanwhile, the feet of the student can be placed on each front row of cross braces 16 and each rear row of cross braces 28, the feet can be padded for the student, the posture of the student is more comfortable during learning, the granular bulges can massage the feet, so that the student is refreshed, the student is more focused on learning, meanwhile, when the student leans against the backrest 37 or the student at the back is supported on the rear row of table top 21, the force obliquely downward is given to the backrest 37, the force obliquely downward is transmitted to the rear row of aluminum frame 18, the left side of each rear row of aluminum frame 18 can support certain transverse force, the torsion force borne by other feet is reduced, the probability of damage of the feet of tables and chairs is reduced, the service life of the tables and chairs is prolonged, when the student stops learning, the rear row of table top 21 is pushed in the clockwise direction, and the support 23 is controlled to rotate, thereby control back row drawer 24 rotates, back row desktop 21 rotates after certain angle, rotates two of the correspondence locating part 19, thereby fixes back row desktop 21, thereby makes support 23 stall, thereby makes back row drawer 24 stall realizes back row desktop 21 with back row drawer 24's is fixed, has practiced thrift the space for the student is more convenient when passing in and out, reduces the collision to the desk, has avoided colliding with bad desk when having collided with the student, simultaneously back row drawer 24 is certain inclination when the state of packing up, can place certain books file after receiving the desk board, makes the student also can lay a quantitative file at the not-used desk.

It should be emphasized that the embodiments described herein are illustrative and not restrictive, and thus the invention is not limited to the embodiments described in the detailed description, and that other embodiments derived from the technical solutions of the present invention by those skilled in the art also belong to the scope of the present invention.

Claims (6)

1. The utility model provides a high strength desk chair, includes front row desk (K) and back row desk chair (N), its characterized in that: the front row desk (K) comprises a front row desktop (15), two front row drawers (14) are fixedly connected to the end face of a front row aluminum frame (13), three front row aluminum frames (13) are fixedly connected to the end face of the front row desktop (15) in an equal distance manner, the front row aluminum frames (13) are in an M shape, two front row cross braces (16) are fixedly connected between the front row aluminum frames (13) in an adjacent manner, each front row aluminum frame (13) bottom is fixedly connected with a front row fixing part (11) in an equal distance manner, each front row fixing part (11) is provided with a through hole distributed in an equal distance manner, two front row cross braces (16) are fixedly arranged between the front row aluminum frames (13) in an adjacent manner, each rear row desk and chair (N) comprises three rear row aluminum frames (18) distributed in an equal distance manner, two adjacent rear row aluminum frames (18) are fixedly connected with a backrest (37) in an equal distance manner, the end face of each rear row aluminum frame (18) is in an equal distance manner, each rear row aluminum frame (18) is provided with a bottom end face (27) close to each rear row aluminum frame bottom end face (18), and six rear row aluminum desk bottom end faces (27) are connected with six rear row aluminum frames (18) in each rear row aluminum frames (18) in a bottom end face, and two middle through-holes with back row aluminium system framework (18) are close to counter sink on two footing of front desk (K) are concentric, adjacent two keep away from in back row aluminium system framework (18) respectively fixedly connected with back row violently support (28), adjacent two rotate respectively between back row aluminium system framework (18) and be connected with seat pivot (30), every respectively fixedly connected with seat connecting piece (29), every on seat pivot (30) seat connecting piece (29) up end fixedly connected with seat (17), adjacent two be provided with between the left end face of back row aluminium system framework (18) and accomodate subassembly (201).

2. A high strength desk and chair as claimed in claim 1 wherein: every storage component (201) respectively including setting up every pivot space (36) in back row aluminium framework (18), every in pivot space (36) the concave end difference fixedly connected with pivot mounting (35), adjacent two rotate between pivot mounting (35) and be connected with two table pivots (34), be located the upside rotate on table pivot (34) and be connected with back row desktop (21), be located the downside rotate on table pivot (34) and be connected with back row drawer (24), every back row desktop (21) and correspond it has six supports (23), every to articulate respectively between back row drawer (24) front and back both ends back (37) left end face fixedly connected with baffle (25), every back (37) left side all is provided with two locating part (19), every locating part (19) rotate through the pivot and connect and install corresponding on back row aluminium framework (18).

3. A high strength desk and chair as claimed in claim 1 wherein: and triangular reinforcing ribs are fixedly distributed between the upper end surface of each front row fixing piece (11) and the outer end surface of the front row aluminum frame (13) at equal intervals and are in staggered distribution with the through holes on the front row fixing pieces (11).

4. A high strength desk and chair as claimed in claim 1, wherein: every back row aluminium system framework (18) left side footing be oblique decurrent circular-arc, and lower terminal surface fixed connection footing mounting (26), every footing mounting (26) fixed connection is on the ladder of higher level.

5. A high strength desk and chair as claimed in claim 1 wherein: hard rubber with granular protrusions on the surfaces is uniformly arranged on the surfaces of the front row of transverse struts (16) and the rear row of transverse struts (28), the three front row of aluminum frames (13) are fixedly connected into a whole by the two front row of transverse struts (16), and the three rear row of aluminum frames (18) are fixedly connected into a whole by the rear row of transverse struts (28).

6. A high strength desk and chair as claimed in claim 2, wherein: the upper end surfaces of the back row table top (21) and the back row drawer (24) are respectively provided with a convex block at one side close to the backrest (37), and a groove is arranged between the upper end surface of the back row table top (21) and the convex block.

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