CN215456157U

CN215456157U - Rotatable desk and chair

Info

Publication number: CN215456157U
Application number: CN202120998649.2U
Authority: CN
Inventors: 李争
Original assignee: Langfang Shengda Industry And Trade Co ltd
Current assignee: Langfang Shengda Industry And Trade Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2022-01-11
Anticipated expiration: 2031-05-11

Abstract

The utility model discloses a rotatable desk and chair, which comprises an extension plate, a fixed assembly, a desk, a driving rod, a seat, a supporting rod, a lifting assembly, a base and a moving assembly, wherein the lower end of the supporting rod is rotatably arranged on the base, the desk is arranged at the upper end of the supporting rod, the lifting assembly is sleeved on the lower end of the supporting rod, one end of the driving rod is arranged on the lifting assembly, the fixed assembly is arranged on the side wall of the desk, the extension plate is telescopically and slidably arranged in the upper wall of the desk, the moving assembly is arranged on the bottom wall of the seat, and the moving assembly is rotatably hinged with the other end of the driving rod.

Description

Rotatable desk and chair

Technical Field

The utility model belongs to the technical field of desk and chair, and particularly relates to a rotatable desk and chair.

Background

In the existing teaching mode, the students have more and more independent discussion time in the discussion class, but most of the desks and chairs in the existing discussion class classroom are arranged in a one-way mode, can only meet the requirements of the students on class listening, are not suitable for class discussion, often have the embarrassment situation that the body is twisted to match the teacher for teaching due to group discussion, are inconvenient to take notes or put books, and easily cause the disorder of the class order.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a rotatable desk and chair which is convenient for rotatably adjusting the length of a desk top.

In order to realize the functions, the technical scheme adopted by the utility model is as follows: a rotatable desk and chair comprises an extension plate, a fixed assembly, a desk, a driving rod, a seat, a supporting rod, a lifting assembly, a base and a moving assembly, wherein the lower end of the supporting rod is rotatably arranged on the base, the desk is arranged at the upper end of the supporting rod, the lifting assembly is sleeved on the lower end of the supporting rod, one end of the driving rod is arranged on the lifting assembly, the fixed assembly is arranged on the side wall of the desk, the extension plate is telescopically and slidably arranged in the upper wall of the desk, the moving assembly is arranged on the bottom wall of the seat, and the moving assembly is rotatably hinged with the other end of the driving rod; the lifting assembly comprises an insert rod, a fixing ring, a pedal, a second spring, a bearing plate, a connecting plate and a fixing rod, the fixing ring is sleeved on the lower end of the supporting rod, the fixing rod is arranged on the base, the pedal is slidably sleeved on the fixing rod, one end of the connecting plate is arranged on the pedal, the bearing plate is arranged on the other end of the connecting plate, one end of the second spring is arranged on the upper wall of the fixing ring, the other end of the second spring is arranged on the bearing plate, one end of the insert rod is arranged on the bearing plate, the other end of the insert rod is detachably arranged in the fixing ring, when the position of the table and the seat needs to be adjusted by rotating, the pedal is lifted upwards, the pedal moves upwards along the fixing rod, the connecting plate pushes the connecting plate to move upwards, the connecting plate drives the bearing plate to ascend, the insert rod is separated from the fixing ring, the second spring extends, the moving assembly extends, and the driving rod rotates, the driving rod drives the supporting rod and the moving assembly to drive the seat to rotate, the supporting rod drives the table to rotate, the pedal is loosened after the angle is adjusted, the second spring drives the pedal to move downwards, the pedal drives the connecting plate and the bearing plate to move downwards, the bearing plate drives the inserting rod to move downwards, and the inserting rod is inserted into the fixing ring to fix the supporting rod.

Furthermore, a sliding groove is formed in the side wall of the table.

Furthermore, the side wall of the extension plate is provided with a plurality of groups of clamping grooves, the groups of clamping grooves are uniformly arranged on the side wall of the extension plate at equal intervals, and the diameter of the sliding groove is smaller than that of the clamping grooves.

Further, fixed subassembly includes spring one, limiting plate and gag lever post, the scalable joint of one end of gag lever post is located in the spout, the limiting plate is located on the other end of gag lever post, on the desk lateral wall was located to the one end of spring one, on the limiting plate was located to the other end of spring one, the extension board was adjusted the usable floor area by sliding on the desk, treats the adjusted back, and the gag lever post is fixed the expansion plate in advancing the draw-in groove along the spout card.

Further, the movable assembly comprises a hinged seat, a roller, a support frame, a hydraulic machine and a support rod, the middle position of the bottom wall of the seat is arranged at the upper end of the support rod, the hydraulic machine is arranged on the bottom wall in the lower end of the support rod, the support frame is arranged at the movable end of the hydraulic machine, the roller is arranged on the support frame, the hinged seat is arranged on the side wall of the support rod, the other end of the drive rod is rotatably hinged on the hinged seat, when the seat is required to be subjected to angle rotation, the movable end of the hydraulic machine extends, the support frame is pushed to extend to push the roller to stretch out the support rod, and the seat rotates under the driving of the roller.

Furthermore, the upper wall of the fixing ring is provided with a jack, and the inserted bar is detachably arranged in the jack.

Furthermore, the bottom wall of the seat is provided with support legs.

The utility model adopts the structure to obtain the following beneficial effects: the rotatable desk and chair provided by the utility model has the advantages of simple operation, compact mechanism and reasonable design, when the desk and the chair need to be rotationally adjusted, the pedal is lifted upwards, the pedal moves upwards along the fixed rod, the pedal pushes the connecting plate to move upwards, the connecting plate drives the bearing plate to ascend, the bearing plate drives the inserted rod to move upwards, the inserted rod is separated from the fixed ring, the spring II extends, the movable end of the hydraulic press extends, the support frame extends, the roller is pushed to extend out of the support rod, the driving rod drives the support rod and the moving assembly to drive the chair to rotate, the support rod drives the desk to rotate, the pedal is loosened after the angle is adjusted, the spring II drives the pedal to move downwards, the pedal drives the connecting plate and the bearing plate to move downwards, the inserted rod is inserted into the fixed ring to fix the support rod, the extending plate slides on the desk to adjust the using area, and the limiting rod is clamped into the clamping groove along the sliding groove after the extending plate is adjusted, and fixing the expansion plate.

Drawings

FIG. 1 is a top view of a rotatable desk and chair of the present invention;

FIG. 2 is a front view of a rotatable desk and chair of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1A;

FIG. 4 is a partial enlarged view of FIG. 2B;

FIG. 5 is a top view of a retainer ring for a rotatable desk and chair according to the present invention;

fig. 6 is a partially enlarged view of fig. 2C.

The lifting mechanism comprises an extension plate 1, an extension plate 2, a fixing assembly 3, a table 4, a driving rod 5, a seat 6, a supporting rod 7, a lifting assembly 8, a base 9, a moving assembly 10, an inserting rod 11, a fixing ring 12, a pedal 13, a spring II, a spring 14, a bearing plate 15, a connecting plate 16, a fixing rod 17, a sliding groove 18, a clamping groove 19, a spring I, 20, a limiting plate 21, a limiting rod 22, a hinging seat 23, a roller 24, a supporting frame 25, a hydraulic machine 26, a supporting rod 27, a jack 28 and a supporting leg.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular 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 relative importance. The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 6, the rotatable desk and chair of the present invention comprises an extension plate 1, a fixing component 2, a desk 3, a driving rod 4, a seat 5, a supporting rod 6, a lifting component 7, a base 8 and a moving component 9, wherein the lower end of the supporting rod 6 is rotatably disposed on the base 8, the desk 3 is disposed at the upper end of the supporting rod 6, the lifting component 7 is sleeved on the lower end of the supporting rod 6, one end of the driving rod 4 is disposed on the lifting component 7, the fixing component 2 is disposed on the side wall of the desk 3, the extension plate 1 is telescopically and slidably disposed in the upper wall of the desk 3, the moving component 9 is disposed on the bottom wall of the seat 5, and the moving component 9 is rotatably hinged to the other end of the driving rod 4; lifting subassembly 7 includes inserted bar 10, solid fixed ring 11, footboard 12, two 13 of spring, carrier plate 14, connecting plate 15 and dead lever 16, gu fixed ring 11 cup joints and locates on 6 lower ends of bracing piece, dead lever 16 is located on base 8, footboard 12 slidable cup joints and locates on dead lever 16, the one end of connecting plate 15 is located on footboard 12, carrier plate 14 is located on the other end of connecting plate 15, gu fixed ring 11 is located to the one end of two 13 of spring on the wall, on the carrier plate 14 is located to the other end of two 13 of spring, the one end of inserted bar 10 is located on carrier plate 14, the other end of inserted bar 10 can be dismantled and locate solid fixed ring 11 in.

The side wall of the table 3 is provided with a sliding groove 17.

The side wall of the extension plate 1 is provided with a plurality of groups of clamping grooves 18, the groups of clamping grooves 18 are evenly arranged on the side wall of the extension plate 1 at equal intervals, and the diameter of the sliding groove 17 is smaller than that of the clamping grooves 18.

Fixed subassembly 2 includes spring 19, limiting plate 20 and gag lever post 21, the scalable joint of one end of gag lever post 21 is located in spout 17, limiting plate 20 is located on the other end of gag lever post 21, the one end of spring 19 is located on 3 lateral walls of desk, the other end of spring 19 is located on limiting plate 20.

Remove subassembly 9 including articulated seat 22, gyro wheel 23, support frame 24, hydraulic press 25 and vaulting pole 26, the diapire middle part position of seat 5 is located to the upper end of vaulting pole 26, hydraulic press 25 is located on the diapire in the lower extreme of vaulting pole 26, the hydraulic press 25 expansion end is located to support frame 24, gyro wheel 23 is located on the support frame 24, the lateral wall of vaulting pole 26 is located to articulated seat 22, the other end rotatable articulated of actuating lever 4 is located on articulated seat 22.

The upper wall of the fixing ring 11 is provided with a jack 27, and the inserted bar 10 is detachably arranged in the jack 27.

The bottom wall of the seat 5 is provided with a supporting leg 28.

When the table 3 and the seat 5 are required to be rotated to adjust positions, the pedal 12 is lifted upwards, the pedal 12 moves upwards along the fixing rod 16, the pedal 12 pushes the connecting plate 15 to move upwards, the connecting plate 15 drives the bearing plate 14 to ascend, the bearing plate 14 drives the insert rod 10 to move upwards, the insert rod 10 is separated from the fixing ring 11, the spring II 13 extends, the movable end of the hydraulic machine 25 extends, the supporting frame 24 extends to push the roller 23 to extend out of the supporting rod 26, the driving rod 4 rotates, the driving rod 4 drives the supporting rod 6 and the moving assembly 9 to drive the seat 5 to rotate, the supporting rod 6 drives the table 3 to rotate, the pedal 12 is released after angle adjustment, the spring II 13 drives the pedal 12 to move downwards, the pedal 12 drives the connecting plate 15 and the bearing plate 14 to move downwards, the bearing plate 14 drives the insert rod 10 to move downwards, the insert rod 10 is inserted into the fixing ring 11 to fix the supporting rod 6, the extension plate 1 slides on the table 3 to adjust the use area, after the adjustment is completed, the limiting rod 21 is clamped into the clamping groove 18 along the sliding groove 17 to fix the telescopic plate.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A rotatable desk chair which is characterized in that: the telescopic lifting device comprises an extension plate, a fixing assembly, a table, a driving rod, a seat, a supporting rod, a lifting assembly, a base and a moving assembly, wherein the lower end of the supporting rod is rotatably arranged on the base, the table is arranged at the upper end of the supporting rod, the lifting assembly is sleeved at the lower end of the supporting rod, one end of the driving rod is arranged on the lifting assembly, the fixing assembly is arranged on the side wall of the table, the extension plate is telescopically and slidably arranged in the upper wall of the table, the moving assembly is arranged on the bottom wall of the seat, and the moving assembly is rotatably hinged with the other end of the driving rod; the lifting subassembly includes inserted bar, solid fixed ring, footboard, spring two, carrier plate, connecting plate and dead lever, gu fixed ring cup joints and locates on the bracing piece lower end, the dead lever is located on the base, but footboard slidable cup joints and locates on the dead lever, the one end of connecting plate is located on the footboard, the carrier plate is located on the other end of connecting plate, gu on the fixed ring upper wall is located to the one end of spring two, on the carrier plate is located to the other end of spring two, the one end of inserted bar is located on the carrier plate, the other end of inserted bar can be dismantled and locate in the fixed ring.

2. A rotatable desk and chair as claimed in claim 1 wherein: the side wall of the table is provided with a sliding chute.

3. A rotatable desk and chair as claimed in claim 2 wherein: the side wall of the extension plate is provided with a plurality of groups of clamping grooves, the groups of clamping grooves are uniformly arranged on the side wall of the extension plate at equal intervals, and the diameter of the sliding groove is smaller than that of the clamping grooves.

4. A rotatable desk and chair as claimed in claim 3 wherein: the fixed subassembly includes spring one, limiting plate and gag lever post, the scalable joint of one end of gag lever post is located in the spout, the limiting plate is located on the other end of gag lever post, the one end of spring one is located on the desk lateral wall, the other end of spring one is located on the limiting plate.

5. A rotatable desk and chair as claimed in claim 4 wherein: the movable assembly comprises a hinge seat, a roller, a support frame, a hydraulic machine and a support rod, the upper end of the support rod is arranged at the middle position of the bottom wall of the seat, the hydraulic machine is arranged on the bottom wall in the lower end of the support rod, the support frame is arranged at the movable end of the hydraulic machine, the roller is arranged on the support frame, the hinge seat is arranged on the side wall of the support rod, and the other end of the drive rod is rotatably hinged on the hinge seat.

6. A rotatable desk and chair as claimed in claim 5 wherein: the upper wall of the fixing ring is provided with a jack, and the inserted bar is detachably arranged in the jack.

7. A rotatable desk and chair as claimed in claim 6 wherein: the bottom wall of the seat is provided with supporting legs.