CN215271137U

CN215271137U - Multifunctional desk and chair

Info

Publication number: CN215271137U
Application number: CN202022430586.9U
Authority: CN
Inventors: 徐效勇; 方兰霞
Original assignee: New Regal Furniture Technology Suzhou Co ltd
Current assignee: New Regal Furniture Technology Suzhou Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-12-24
Anticipated expiration: 2030-10-27

Abstract

A multifunctional desk and chair is characterized by comprising a desk surface and a chair surface, wherein cavity grooves are respectively formed in two sides of the middle of the desk surface, widening plates are movably connected in the two cavity grooves, a sliding groove is formed in the bottom of the desk surface, a storage cabinet is detachably connected with the sliding groove, support frames are fixedly connected to two sides of the bottom of the desk surface, one end, away from the desk surface, of each support frame is fixedly connected with a first rotating shaft, the first rotating shaft is rotatably connected with a lifting structure, the lifting structure comprises a positive threaded rod and a negative threaded rod, one end, away from the first rotating shaft, of the lifting structure is rotatably connected with a second rotating shaft, the second rotating shaft is fixedly connected with a bottom support, the height of the desk surface is adjusted through rotation of the positive threaded rod and the negative threaded rod, the storage lattices are detachably connected with the bottom of the desk surface through the sliding groove, the storage lattices are convenient to detach and take articles, the size of the desk surface is quickly adjusted through stretching the widening plates, and the chair is adjusted in height through the sliding lifting support, the angle adjusting shaft is used for adjusting the inclination angle of the backrest.

Description

Multifunctional desk and chair

Technical Field

The utility model relates to an education utensil technical field, concretely relates to multi-functional desk chair.

Background

A desk and chair is a desk and chair for students to attend class, and is also called a student desk and chair and a school desk and chair, and in the student era, the desk and chair is an indispensable learning appliance for students in middle and primary schools.

The current school desks and chairs have single style, are not graded in size, and are consistent in size, so that the teaching environment is not beneficial to the physiological development of young students, even though the school desks and chairs can be different in size according to different grades, the height difference of the students in the same class still has the defect which cannot be made up, if the height of the desk and chair and the height of the student are not coordinated, the sitting posture of the student is not correct, the eyesight or the posture of the student can be affected in time, in addition, since students are likely to feel tired when they keep one posture for a long time in class, they are hunched and stooped down to get bad habit in order to reduce the burden of straight back, the drawer space of the desk is relatively small originally, so that the desk is inconvenient to take and hold objects, the study space of the desktop is small, and the angle of the chair backrest is fixed and is inconvenient to adjust.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is that the desk and chair has single style and is not classified into different grades, the desk and chair has the same size, the teaching environment is not favorable for the physiological development of young students, even some schools have different desks and chairs according to the grade, but the height difference of students in the same class still has the disadvantage which can not be compensated, if the height of the desk and chair and the height of the students have the incongruity factor, the sitting posture of the students is not correct, the eyesight or the body posture of the students will be badly influenced in the long term, in addition, as the students learn for a long time in the classroom, the students can probably feel tired after keeping a posture for a long time, the students bow back and bend to reduce the burden of the back, the bad habit is formed, in addition, as the drawer space of the desk is originally relatively small, the desk surface learning space is also small, and the chair leans on the fixed inconvenient angle regulation of angle, provides a multi-functional desk chair, makes it rotate through positive and negative threaded rod and adjusts the desktop altitude mixture control, and the sliding tray is seted up to the desktop bottom and is dismantled and connect the matter storage lattice, makes things convenient for the dismantlement of matter storage lattice and article to get and take, through the quick adjustment class desktop size of tensile widening board, and the chair supports through sliding lift simultaneously and carries out altitude mixture control, carries out the chair through the angle modulation axle and leans on the angle of regulation back inclination.

The utility model provides a technical scheme that technical problem adopted is: a multifunctional desk and chair is characterized by comprising a desk surface and a chair surface, wherein cavity grooves are respectively formed in two sides of the middle of the desk surface, widening plates are movably connected in the two cavity grooves, a sliding groove is formed in the bottom of the desk surface, a storage cabinet is detachably connected with the sliding groove, support frames are fixedly connected to two sides of the bottom of the desk surface, one end, away from the desk surface, of each support frame is fixedly connected with a first rotating shaft, the first rotating shaft is rotatably connected with a lifting structure, the lifting structure comprises a forward and reverse threaded rod, one end, away from the first rotating shaft, of each lifting structure is rotatably connected with a second rotating shaft, a bottom support is fixedly connected with a bottom support, an inner support rod is fixedly connected to the bottom of the chair surface, a sliding fixing groove is formed in the inner support rod, one end, away from the chair surface, of the inner support rod is movably connected with a support sleeve rod, the outer side of the support sleeve connecting rod is in threaded connection with a limiting fixing screw at a position corresponding to the sliding fixing groove, one end of the support sleeve connecting rod, far away from the support inner rod, is fixedly connected with a seat, one side of the seat is fixedly connected with an angle adjusting shaft, the angle adjusting shaft comprises a rotating inner shaft, and the angle adjusting shaft is fixedly connected with a chair backrest.

As a preferred technical scheme, elevation structure includes the lift connecting rod, four, two have been seted up to the lift connecting rod upper end is all rotated and is connected in the axis of rotation No. one, two the one end that an axis of rotation was kept away from to the lift connecting rod is rotated respectively and is connected with the thread fixing block, two in addition lift connecting rod one end is rotated and is connected in the axis of rotation No. two, two in addition the one end that No. two axis of rotation were kept away from to the lift connecting rod rotates the other end of connection at the thread fixing block respectively, two set up positive and negative screw hole in the thread fixing block, two thread fixing block threaded connection is at positive and negative threaded rod both ends, positive and negative threaded rod both ends fixedly connected with rotates the nut.

As a preferred technical scheme of the utility model, two widen the board outside fixedly connected with dilatory handle, two the one end bottom that the dilatory handle was kept away from to the board is rotated and is connected with and rotates the wheel.

As a preferred technical scheme, the angle modulation axle is including adjusting the outer axle, it is connected with the interior axle of rotation to adjust outer internal rotation, a plurality of stoppers are seted up to the axle lateral wall in the rotation, adjust outer epaxial swing joint of axle and have spacing montant, spacing montant is kept away from and is adjusted outer one end fixedly connected with pressing key, the spring has been cup jointed at spacing montant middle part, spacing montant bottom fixedly connected with limit horizontal pole, the spring is in between adjusting outer axle inner wall and the limit horizontal pole, interior fixedly connected with chair leans on in the rotation.

As an optimal technical scheme of the utility model, the storing lattice has been seted up in the storing cabinet, storing cabinet both ends fixedly connected with links up the sliding block.

The utility model has the advantages of it is following: rotate through positive and negative threaded rod and adjust the desktop altitude mixture control, the sliding tray is seted up to the desktop bottom and is dismantled and connect the matter storage lattice, makes things convenient for the dismantlement of matter storage lattice and article to get to take, through tensile broadening board quick adjustment class desktop size, the chair supports through sliding lift simultaneously and carries out altitude mixture control, carries out the chair through the angle modulation axle and leans on the regulation back inclination.

Drawings

FIG. 1 is a schematic side plan view of a preferred embodiment of the table of the present invention;

fig. 2 is a schematic front plan view of a table according to a preferred embodiment of the present invention;

FIG. 3 is a side plan view of a chair according to a preferred embodiment of the present invention;

FIG. 4 is a schematic view of a partial plan view of a preferred embodiment of the table of the present invention;

fig. 5 is a partial plan view of a chair according to a preferred embodiment of the present invention.

Description of reference numerals: 1. a desk top; 11. a cavity groove; 12. a sliding groove; 13. a support frame; 14. a first rotating shaft; 15. a second rotating shaft; 16. bottom bracing; 2. a widening plate; 21. a rotating wheel; 22. pulling the handle; 3. a storage cabinet; 31. a storage grid; 32. Connecting the sliding blocks; 4. a lifting structure; 41. a lifting connecting rod; 42. a thread fixing block; 43. a positive and negative threaded rod; 44. rotating the nut; 5. a chair surface; 51. supporting the inner rod; 52. A sliding fixing groove; 53. supporting the sleeved rod; 54. a limiting fixing screw; 55. a chair seat; 56. a chair back; 6. an angle adjusting shaft; 61. rotating the inner shaft; 62. a limiting block; 63. A limiting vertical rod; 64. pressing a key; 65. a limiting cross bar; 66. a spring; 67. the outer shaft is adjusted.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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

Referring to fig. 1-3, a multifunctional desk and chair is characterized in that it comprises a desk top 1 and a chair surface 5, wherein two sides of the middle of the desk top 1 are respectively provided with a cavity groove 11, two cavity grooves 11 are movably connected with a widening plate 2, the bottom of the desk top 1 is provided with a sliding groove 12, the sliding groove 12 is detachably connected with a storage cabinet 17, two sides of the bottom of the desk top 1 are fixedly connected with a support frame 13, one end of the support frame 13 far away from the desk top 1 is fixedly connected with a first rotating shaft 14, the first rotating shaft 14 is rotatably connected with a lifting structure 4, the lifting structure 4 comprises a positive and negative threaded rod 43, one end of the lifting structure 4 far away from the first rotating shaft 14 is rotatably connected with a second rotating shaft 15, the second rotating shaft 15 is fixedly connected with a bottom support 16, the bottom of the chair surface 5 is fixedly connected with a support inner rod 51, the support inner rod 51 is provided with a sliding fixing groove 52, one end of the support inner rod 51 far away from the chair surface 5 is movably connected with a support sleeve rod 53, the outer side of the support sleeve connecting rod 53 is in threaded connection with a limiting fixing screw 54 at a position corresponding to the sliding fixing groove 52, one end, far away from the support inner rod 51, of the support sleeve connecting rod 53 is fixedly connected with a chair seat 55, one side of the chair surface 5 is fixedly connected with an angle adjusting shaft 6, the angle adjusting shaft 6 comprises a rotating inner shaft 61, and a chair backrest 56 is fixedly connected with the angle adjusting shaft 6.

The storage cabinet 3 is internally provided with a storage lattice 31, two ends of the storage cabinet 3 are fixedly connected with a linking sliding block 32, the storage cabinet 3 is detachably connected, the storage cabinet 3 can be pulled to slide the whole storage lattice 31 in a sliding groove 12 through the linking sliding block 32 to pull the storage lattice out for taking articles conveniently, the lifting structure 4 comprises four lifting connecting rods 41, the four lifting connecting rods 41 are arranged, the upper ends of the two lifting connecting rods 41 are respectively and rotatably connected to a first rotating shaft 14, one ends of the two lifting connecting rods 41 far away from the first rotating shaft 14 are respectively and rotatably connected with a threaded fixing block 42, one ends of the other two lifting connecting rods 41 are respectively and rotatably connected to a second rotating shaft 15, one ends of the other two lifting connecting rods 41 far away from the second rotating shaft 15 are respectively and rotatably connected to the other ends of the threaded fixing blocks 42, positive and negative threaded holes are arranged in the two threaded fixing blocks 42, and the two threaded fixing blocks 42 are in two ends of a positive and negative threaded rod 43, the two ends of the positive and negative threaded rod 43 are fixedly connected with rotating nuts 44, the desktop height is adjusted through rotation of the positive and negative threaded rod 43, the angle adjusting shaft 6 comprises an adjusting outer shaft 67, the adjusting outer shaft 67 is rotatably connected with a rotating inner shaft 61, the outer side wall of the rotating inner shaft 61 is provided with a plurality of limiting blocks 62, the adjusting outer shaft 67 is movably connected with limiting vertical rods 63, one ends of the limiting vertical rods 63 far away from the adjusting outer shaft 67 are fixedly connected with press keys 64, springs 66 are sleeved in the middle of the limiting vertical rods 63, the bottoms of the limiting vertical rods 63 are fixedly connected with limiting transverse rods 65, the springs 66 are positioned between the inner wall of the adjusting outer shaft 67 and the limiting transverse rods 65, the rotating inner shaft 61 is fixedly connected with a chair backrest 56, the chair backrest adjustment is carried out through the angle adjusting shaft 6, the students can conveniently rest and relax the back, the outer sides of the two widening plates 2 are fixedly connected with dragging handles 22, the bottoms of the ends of the two widening plates 2 far away from the dragging handles 22 are rotatably connected with rotating wheels 21, the desk top can be widened by pulling the widening plates 2 on the two sides of the desk top 1 out of the cavity groove 11, and the widening plates 2 are closely attached to the inner wall of the cavity groove 11 for limitation, so that the desk top cannot fall and incline when being pulled out.

Specifically, when a student uses the desk and chair, the student can adjust the desk and chair according to the height of the student, the threaded fixing blocks 42 can be far away or close to the desk through forward and reverse rotation of the forward and reverse threaded rods 43, the height of the desk can be reduced when the threaded fixing blocks 42 are far away, the height of the desk can be raised when the threaded fixing blocks 42 are close to each other, the height of the chair can be adjusted according to the height of the desk after the height of the desk is adjusted, the support inner rod 51 and the support sleeve connecting rod 53 are loosened through rotation of the limiting fixing screw 54, then the chair surface can be pulled to enable the support inner rod 51 to slide in the support sleeve connecting rod 53 to achieve the effect of height adjustment, the limiting fixing screw 54 is rotated to limit and fix the support inner rod 51 and the support sleeve connecting rod 53 after the height is adjusted to a proper position, the pull handle 22 to pull the widening plates 2 at two sides of the desk top 1 out of the cavity groove 11 to widen the desk top after the height adjustment is completed, when not needed, the widening board 2 is directly pushed into the cavity groove 11, because the widening board 2 is closely attached and limited with the inner wall of the cavity groove 11, when the student backrest is pulled out, the student backrest can not fall and incline, the storage cabinet 3 is detachably connected to the bottom of the desk surface 1, the storage cabinet 3 can be pulled to slide the whole storage lattice 31 in the sliding groove 12 through the connecting sliding block 32 to pull out the storage lattice, the storage lattice 31 can be pushed in similarly, when the student backrest is needed, the student backrest can be directly pulled to push the push key 64 and keep pulling, the vertical limiting rod 63 can be pulled out of the gap between the limiting blocks 62 on the outer side of the rotating inner shaft 61, then the chair back can be rotated to adjust the angle, the push key 64 is loosened after the adjustment is finished, the limiting vertical rod 63 can be reset to enter a gap between the limiting blocks 62 on the outer side of the rotating inner shaft 61 under the action of the spring, and the chair back 56 can be stabilized by limiting the rotation of the rotating inner shaft 61.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Other parts not described in detail in the present invention belong to the prior art, and are not described herein again.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A multifunctional desk and chair is characterized by comprising a desk top (1) and a chair surface (5), wherein cavity grooves (11) are formed in two sides of the middle of the desk top (1), two widening plates (2) are movably connected in the cavity grooves (11), a sliding groove (12) is formed in the bottom of the desk top (1), a storage cabinet (3) is detachably connected with the sliding groove (12), supporting frames (13) are fixedly connected to two sides of the bottom of the desk top (1), one end, far away from the desk top (1), of each supporting frame (13) is fixedly connected with a first rotating shaft (14), the first rotating shaft (14) is rotatably connected with a lifting structure (4), each lifting structure (4) comprises a positive and negative threaded rod (43), one end, far away from the first rotating shaft (14), of each lifting structure (4) is rotatably connected with a second rotating shaft (15), and the second rotating shaft (15) is fixedly connected with a bottom support (16), pole (51) in seat (5) bottom fixedly connected with supports, slip fixed slot (52) have been seted up on pole (51) in the support, the one end swing joint that pole (51) was kept away from seat (5) in the support has the support to cup joint pole (53), support cup joint pole (53) outside and slip fixed slot (52) relevant position threaded connection have spacing fixed screw (54), support cup joint pole (53) and keep away from one end fixedly connected with seat support (55) of pole (51) in the support, seat (5) one side fixedly connected with angle modulation axle (6), angle modulation axle (6) are including rotating interior axle (61), angle modulation axle (6) fixedly connected with chair leans on (56).

2. The multifunctional desk and chair of claim 1, wherein the lifting structure (4) comprises four lifting connecting rods (41), the lifting connecting rods (41) are provided, the upper ends of two lifting connecting rods (41) are rotatably connected to the first rotating shaft (14), the ends of the two lifting connecting rods (41) far away from the first rotating shaft (14) are respectively rotatably connected to threaded fixing blocks (42), one ends of the other two lifting connecting rods (41) are rotatably connected to the second rotating shaft (15), the ends of the other two lifting connecting rods (41) far away from the second rotating shaft (15) are respectively rotatably connected to the other ends of the threaded fixing blocks (42), the two threaded fixing blocks (42) are internally provided with positive and negative threaded holes, and the two threaded fixing blocks (42) are in threaded connection with the two ends of the positive and negative threaded rods (43), and the two ends of the positive and negative threaded rod (43) are fixedly connected with rotating screw caps (44).

3. The multifunctional desk and chair as claimed in claim 1, wherein the outer sides of the two widening plates (2) are fixedly connected with a pulling handle (22), and the bottoms of the ends of the two widening plates (2) far away from the pulling handle (22) are rotatably connected with rotating wheels (21).

4. The multifunctional desk and chair set forth in claim 1, wherein the angle adjusting shaft (6) comprises an adjusting outer shaft (67), the rotating inner shaft (61) is rotatably connected in the adjusting outer shaft (67), a plurality of limiting blocks (62) are arranged on the outer side wall of the rotating inner shaft (61), a limiting vertical rod (63) is movably connected on the adjusting outer shaft (67), a pressing key (64) is fixedly connected to one end of the limiting vertical rod (63) far away from the adjusting outer shaft (67), a spring (66) is sleeved in the middle of the limiting vertical rod (63), a limiting cross rod (65) is fixedly connected to the bottom of the limiting vertical rod (63), the spring (66) is positioned between the inner wall of the adjusting outer shaft (67) and the limiting cross rod (65), and a chair backrest (56) is fixedly connected to the rotating inner shaft (61).

5. The multifunctional desk and chair as claimed in claim 1, wherein a storage grid (31) is arranged in the storage cabinet (3), and two ends of the storage cabinet (3) are fixedly connected with connecting sliding blocks (32).