Novel desk and chair

Abstract

The telescopic assembly is arranged between the lower ends of desk legs on the left side and the right side of the desk table, the telescopic assembly comprises a reciprocating motor and a rack frame, an output shaft of the reciprocating motor is arranged downwards, a gear is connected to the outer wall of the reciprocating motor in a sleeved mode, and the gear is connected with the rack frame in an engaged mode. The rack frame is slidably connected with the right side of the left table leg; first telescopic rods are arranged at the four top corners of the lower end of the seat plate, and the rear side of the lower end of one first telescopic rod is connected with the front side of the rack frame. According to the novel desk and chair, by means of the telescopic assemblies and the first telescopic rods which are arranged between the desk legs on the left side and the right side of the desk table, the desk table and the seat plate are connected, and the distance between the seat plate and the desk table can be adjusted through the telescopic assemblies; the height of the seat plate can be adjusted through the lifting assembly arranged at the bottom of the seat plate, and the comfort of a user during use is improved by adjusting the height of the seat plate and the distance between the seat plate and the table.

Description

Technical Field

[0001] The utility model relates to the technical field of desks and chairs, in particular to a novel desk and chair. Background Art

[0002] Desks and chairs, also known as student desks and chairs or school desks and chairs, are tables and chairs used by students when studying. They are an important part of school furniture and have a direct impact on students' learning environment.

[0003] At present, the height of most existing desks and chairs cannot be adjusted. As students grow, their height will continue to change. Therefore, it is necessary to adjust the height of desks and chairs and the distance between desks and chairs to adjust the comfort of desks and chairs. In addition, most desks and chairs are separated from desks. Due to individual differences among students, desks and chairs will be personalized and re-installed. The separated setting will make it easy to confuse the desks and chairs when there are many desks and chairs, which will affect the comfort of students' learning.

[0004] Therefore, for solving the above problems, a novel desk and chair is proposed. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a new type of desk and chair, which has the advantages of being able to adjust the distance and height difference between the desk and chair and the desk, and the desk and chair being able to be connected together, thus solving the problem that the desk and chair cannot be adjusted and the desk and chair are easily confused.

[0006] To achieve the above purpose, the utility model provides the following technical solutions: A new type of desk and chair includes a table, a seat plate, a telescopic component and a lifting component:

[0007] The telescopic assembly is arranged between the lower ends of the table legs on the left and right sides of the table.

[0008] The telescopic assembly includes a reciprocating motor and a rack frame, the reciprocating motor output shaft is arranged downward and a gear is sleeved on the outer wall, the gear is meshed and connected with the rack frame, and the rack frame is slidably connected with the right side of the left side leg of the table;

[0009] The four top corners of the lower end of the seat plate are each equipped with a first telescopic rod, and the rear side of the lower end of one of the first telescopic rods is connected to the front side of the rack frame;

[0010] A bearing plate is installed between the lower ends of the four first telescopic rods, and the lifting assembly is installed between the center of the upper surface of the bearing plate and the center of the lower surface of the seat plate;

[0011] The lifting assembly includes a support column, a threaded screw and a worm;

[0012] The support column is arranged at the center of the upper surface of the supporting plate, the upper end of the support column is rotatably connected to a worm wheel, a threaded hole is opened through the center of the worm wheel, the threaded screw is threadedly connected to the worm wheel through the threaded hole, the upper surface of the threaded screw is rotatably connected to the lower surface of the seat plate, the worm is meshingly connected to the worm wheel, and a handle is installed at one end of the worm.

[0013] Furthermore, the telescopic assembly includes a slide groove and a second telescopic rod respectively located on the opposite surfaces of the lower ends of the left and right legs of the table. A fixed plate is installed above the slide groove and is connected to the right side of the left leg of the table. The reciprocating motor is installed on the front side of the lower end of the fixed plate.

[0014] Furthermore, the slide groove is hollow and has openings at the upper end and the front end, the rack frame slides in the slide groove, and the rack frame is slidably connected to the left side table leg of the table through the slide groove.

[0015] Furthermore, the telescopic end of the second telescopic rod is connected to the front side of the lower end of another first telescopic rod, and the first telescopic rod connected to the rack frame and the first telescopic rod connected to the second telescopic end are arranged in parallel.

[0016] Furthermore, the support column is hollow and has an open upper end. A first bearing is installed on the upper end of the support column and is connected to the lower end of the inner ring of the first bearing. The upper end of the outer ring of the first bearing is connected to the lower end of the worm gear. The worm gear is rotatably connected to the support column through the first bearing.

[0017] Furthermore, a frame is installed on the outer wall of the support column, and two mounting seats are installed horizontally on the upper end of the frame top plate. Second bearings are installed through the two mounting seats along the horizontal center, and the two inner rings of the second bearings are respectively sleeved on the two ends of the worm, and the worm is rotatably connected to the mounting seat through the second bearing.

[0018] Furthermore, the lower end of the threaded screw passes through the first bearing and extends into the interior of the support column and is clearance-matched with the support column.

[0019] Furthermore, a third bearing is sleeved on the outer periphery of the upper end of the threaded screw, the upper end of the outer ring of the third bearing is connected to the center of the lower end of the seat plate, and the threaded screw is rotatably connected to the seat plate through the third bearing.

[0020] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0021] The novel desk and chair utilizes a telescopic assembly and a first telescopic rod disposed between the table legs on the left and right sides of the table to connect the table and the seat plate, and the distance between the seat plate and the table can be adjusted through the telescopic assembly; the height of the seat plate can be adjusted by a lifting assembly disposed at the bottom of the seat plate, and the comfort of the user when using the seat plate can be improved by adjusting the height of the seat plate and the distance between the seat plate and the table. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional schematic diagram of the overall installation structure of the utility model;

[0023] Figure 2 It is a schematic diagram of the overall installation three-dimensional structure of the utility model from another viewing angle;

[0024] Figure 3 It is a three-dimensional schematic diagram of the telescopic assembly and table installation structure of the utility model;

[0025] Figure 4 It is a three-dimensional schematic diagram of the lifting assembly and the table and chair installation structure of the utility model.

[0026] In the figure: 100, table; 101, seat plate; 102, first telescopic rod; 103, bearing plate; 200, telescopic assembly; 201, fixed plate; 202, reciprocating motor; 203, gear; 204, slide; 205, rack frame; 206, second telescopic rod; 300, lifting assembly; 301, support column; 302, first bearing; 303, worm gear; 304, threaded screw; 305, frame; 306, mounting seat; 307, second bearing; 308, worm; 309, handle; 310, third bearing. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-4A new type of desk and chair in this embodiment uses a telescopic component 200 and a first telescopic rod 102 arranged between the table legs on the left and right sides of the table 100 to connect the table 100 and the seat plate 101, and the distance between the seat plate 101 and the table 100 can be adjusted through the telescopic component 200; the height of the seat plate 101 can be adjusted by a lifting component 300 arranged at the bottom of the seat plate 101, and the height of the seat plate 101 and the distance between the seat plate 101 and the table 100 can be adjusted to improve the comfort of the user when using it.

[0029] Specifically, a novel desk and chair in this embodiment includes a table 100, a seat plate 101, a telescopic component 200 and a lifting component 300;

[0030] The telescopic assembly 200 is disposed between the lower ends of the left and right legs of the table 100.

[0031] The telescopic assembly 200 includes a reciprocating motor 202 and a rack frame 205. The output shaft of the reciprocating motor 202 is arranged downward and a gear 203 is sleeved on the outer wall. The gear 203 is meshed and connected with the rack frame 205. The rack frame 205 is slidably connected with the right side of the left table leg of the table 100.

[0032] The four top corners of the lower end of the seat plate 101 are all equipped with first telescopic rods 102, and the rear side of the lower end of one of the first telescopic rods 102 is connected to the front side of the rack frame 205;

[0033] A bearing plate 103 is installed between the lower ends of the four first telescopic rods 102, and the lifting assembly 300 is installed between the center of the upper surface of the bearing plate 103 and the center of the lower surface of the seat plate 101;

[0034] The lifting assembly 300 includes a support column 301, a threaded screw 304 and a worm 308; the support column 301 is arranged at the center of the upper surface of the supporting plate 103, the upper end of the support column 301 is rotatably connected to the worm wheel 303, a threaded hole is penetrated through the center of the worm wheel 303, the threaded screw 304 is threadedly connected to the worm wheel 303 through the threaded hole, the upper surface of the threaded screw 304 is rotatably connected to the lower surface of the seat plate 101, the worm 308 is meshed with the worm wheel 303, and a handle 309 is installed at one end of the worm 308.

[0035] During actual use, the reciprocating motor 202 drives the gear 203 to rotate clockwise and counterclockwise, so that the gear 203 can drive the rack frame 205 to make reciprocating linear motion within the rack travel range, and then the rack frame 205 drives the first telescopic rod 102 to make reciprocating linear motion within the rack travel range, thereby adjusting the distance between the first telescopic rod 102 and the table 100; by rotating the worm 308 with the handle 309, the worm wheel 303 can rotate counterclockwise and clockwise, and under the cooperation and restriction of the first telescopic rod 102, the threaded screw 304 can be driven to make reciprocating lifting motion within the telescopic range of the first telescopic rod 102, and then the seat plate 101 can be driven to make reciprocating lifting motion within the telescopic range of the first telescopic rod 102, thereby adjusting the height of the seat plate 101.

[0036] The telescopic assembly 200 includes a slide groove 204 and a second telescopic rod 206 respectively located on the opposite surfaces of the lower ends of the left and right table legs of the table 100. A fixed plate 201 is installed above the slide groove 204 and is connected to the right side of the left table leg of the table 100. The reciprocating motor 202 is installed on the front side of the lower end of the fixed plate 201.

[0037] The slide groove 204 is hollow and has openings at the upper end and the front end. The rack frame 205 slides in the slide groove 204 . The rack frame 205 is slidably connected to the left leg of the table 100 through the slide groove 204 .

[0038] The telescopic end of the second telescopic rod 206 is connected to the front side of the lower end of another first telescopic rod 102, and the first telescopic rod 102 connected to the rack frame 205 and the first telescopic rod 102 connected to the second telescopic end are arranged in parallel.

[0039] By connecting the second telescopic rod 206 with another first telescopic rod 102 , the connection between the seat plate 101 and the table 100 can be made more stable.

[0040] The support column 301 is hollow and has an opening at the upper end. The upper end of the support column 301 is equipped with a first bearing 302 and is connected to the lower end of the inner ring of the first bearing 302. The upper end of the outer ring of the first bearing 302 is connected to the lower end of the worm gear 303. The worm gear 303 is rotatably connected to the support column 301 through the first bearing 302.

[0041] A frame 305 is installed on the outer wall of the support column 301, and two mounting seats 306 are installed horizontally on the upper end of the top plate of the frame 305. Second bearings 307 are installed through the two mounting seats 306 at the horizontal center. The inner rings of the two second bearings 307 are respectively sleeved on the two ends of the worm 308, and the worm 308 is rotatably connected to the mounting seats 306 through the second bearings 307.

[0042] The lower end of the threaded screw 304 passes through the first bearing 302 and extends into the interior of the support column 301 and is loosely matched with the support column 301 .

[0043] A third bearing 310 is sleeved on the outer periphery of the upper end of the threaded screw 304 , and the upper end of the outer ring of the third bearing 310 is connected to the center of the lower end of the seat plate 101 . The threaded screw 304 is rotatably connected to the seat plate 101 through the third bearing 310 .

[0044] The working principle of the above embodiment is:

[0045] In the first step, when in use, the user drives the gear 203 to rotate through the reciprocating motor 202, thereby driving the rack frame 205 to slide in the slide slot 204, thereby pushing the first telescopic rod 102 to move, thereby changing the distance between the seat plate 101 and the table 100.

[0046] In the second step, after adjusting the distance between the seat plate 101 and the table 100, the handle 309 is turned to drive the worm 308 to rotate, and then the worm wheel 303 can be driven to rotate. With the cooperation of the first telescopic rod 102, the third bearing 310 and the threaded hole, the rotation of the worm wheel 303 can make the threaded screw 304 drive the seat plate 101 to perform reciprocating lifting and lowering motion, thereby adjusting the height of the seat plate 101 and improving the user's comfort during use.

[0047] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel desk and chair, comprising a desk (100), a seat plate (101), a telescopic component (200) and a lifting component (300), characterized in that: The telescopic assembly (200) is arranged between the lower ends of the left and right legs of the table (100). The telescopic assembly (200) comprises a reciprocating motor (202) and a rack frame (205); the output shaft of the reciprocating motor (202) is arranged downward and a gear (203) is sleeved on the outer wall; the gear (203) is meshedly connected with the rack frame (205); and the rack frame (205) is slidably connected with the right side of the left table leg of the table (100); The four top corners of the lower end of the seat plate (101) are all equipped with first telescopic rods (102), and the rear side of the lower end of one of the first telescopic rods (102) is connected to the front side of the rack frame (205); A bearing plate (103) is installed between the lower ends of the four first telescopic rods (102), and the lifting assembly (300) is installed between the center of the upper surface of the bearing plate (103) and the center of the lower surface of the seat plate (101); The lifting assembly (300) comprises a support column (301), a threaded screw (304) and a worm (308); The support column (301) is arranged at the center of the upper surface of the bearing plate (103); the upper end of the support column (301) is rotatably connected to a worm wheel (303); a threaded hole is provided through the center of the worm wheel (303); the threaded screw (304) is threadedly connected to the worm wheel (303) through the threaded hole; the upper surface of the threaded screw (304) is rotatably connected to the lower surface of the seat plate (101); the worm (308) is meshedly connected to the worm wheel (303); and a handle (309) is installed at one end of the worm (308).

2. A new type of desk and chair according to claim 1, characterized in that: The telescopic assembly (200) comprises a slide groove (204) and a second telescopic rod (206) respectively located on opposite sides of the lower ends of the left and right table legs of the table (100); a fixed plate (201) is installed above the slide groove (204) and is connected to the right side of the left table leg of the table (100); and the reciprocating motor (202) is installed on the front side of the lower end of the fixed plate (201).

3. A new type of desk and chair according to claim 2, characterized in that: The slide groove (204) is hollow and has openings at the upper end and the front end. The rack frame (205) slides in the slide groove (204). The rack frame (205) is slidably connected to the left table leg of the table (100) through the slide groove (204).

4. A new type of desk and chair according to claim 2, characterized in that: The telescopic end of the second telescopic rod (206) is connected to the front side of the lower end of another first telescopic rod (102), and the first telescopic rod (102) connected to the rack frame (205) and the first telescopic rod (102) connected to the second telescopic end are arranged in parallel.

5. The novel desk and chair according to claim 1 is characterized in that: The support column (301) is hollow and has an open upper end. A first bearing (302) is installed on the upper end of the support column (301) and is connected to the lower end of the inner ring of the first bearing (302). The upper end of the outer ring of the first bearing (302) is connected to the lower end of the worm wheel (303). The worm wheel (303) is rotatably connected to the support column (301) via the first bearing (302).

6. The novel desk and chair according to claim 1 is characterized in that: A frame (305) is installed on the outer wall of the support column (301), and two mounting seats (306) are installed on the upper end of the top plate of the frame (305) in the horizontal direction. The two mounting seats (306) are both penetrated and installed with second bearings (307) at the horizontal center. The inner rings of the two second bearings (307) are respectively sleeved on the two ends of the worm (308), and the worm (308) is rotatably connected to the mounting seat (306) through the second bearing (307).

7. The novel desk and chair according to claim 1 is characterized by: The lower end of the threaded screw (304) passes through the first bearing (302) and extends into the interior of the support column (301) and is loosely fitted with the support column (301).

8. The novel desk and chair according to claim 1 is characterized by: A third bearing (310) is sleeved on the outer periphery of the upper end of the threaded screw rod (304); the upper end of the outer ring of the third bearing (310) is connected to the center of the lower end of the seat plate (101); and the threaded screw rod (304) is rotatably connected to the seat plate (101) via the third bearing (310).

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