CN220045299U

CN220045299U - T-shaped lifting desk and chair

Info

Publication number: CN220045299U
Application number: CN202321227469.XU
Authority: CN
Inventors: 陈俊兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-19
Filing date: 2023-05-19
Publication date: 2023-11-21
Anticipated expiration: 2033-05-19

Abstract

The utility model discloses a T-shaped lifting desk and chair, which comprises a desk main body and a seat positioned at one side of the desk main body, wherein first fixed cross bars are arranged at two sides of the bottom of the desk main body, second fixed cross bars are arranged at two sides of the bottom of the seat, a limiting rod extending out of the first fixed cross bars and close to one side of the second fixed cross bars is arranged in the first fixed cross bars, a second limiting groove is formed in the second fixed cross bars, a wedge block is arranged above one end of the limiting rod, an elastic part is connected between the wedge block and the limiting rod, a plurality of groups of clamping grooves communicated with the upper end of the second fixed cross bars are uniformly formed above the second limiting groove, the wedge block extends into the clamping grooves, and ash removing openings communicated with the bottom of the second fixed cross bars are formed in the inner bottom of the second limiting groove.

Description

T-shaped lifting desk and chair

Technical Field

The utility model relates to the technical field of desks and chairs, in particular to a T-shaped lifting desk and chair.

Background

The desk and chair refers to a desk and chair for students to take lessons, and is an independent category of desk and chair. The traditional desk and chair is fixed, the height of the desk and chair cannot be adjusted, and students of the same grade have certain height difference, so that the height of the desk and chair used by all students is limited to the same height. Therefore, most of the existing desks and chairs adopt height-adjustable desks and chairs, and the pull type lifting desks and chairs are one of the height-adjustable desks and chairs;

the utility model of the prior patent application number CN202021788725.9 discloses a combined desk and chair for single person use, which comprises a bottom plate, an adjusting component, a transmission component and a limiting component, wherein a rectangular column is vertically fixedly connected in the middle of one side of the top surface of the bottom plate, a lifting cavity is formed in a column above the transmission cavity, the bottom in the lifting cavity is provided with the adjusting component, and a lifting column is arranged in the lifting cavity; a desk drawer is horizontally arranged above the lifting column, a desk panel is fixedly connected to the top surface of the desk drawer, T-shaped sliding rails are fixedly connected to the front end and the rear end of the other side of the top surface of the bottom plate, and a sliding plate is arranged on the top surface between the two T-shaped sliding rails; a tablet chair is fixedly arranged on the top surface of the sliding plate;

the device can realize spacing to the distance between desk and the chair, but the use in-process student's both feet also need trample on the bottom plate, and the ash of sole can fall easily in the slot on the slide rail this moment, inconvenient clearance, long-time use can make the slot blocked up, and spacing subassembly in use need insert the round bar in the slot, consequently can influence spacing subassembly's use, need manual regulation spacing subassembly when adjusting the distance between chair and the desk simultaneously, very inconvenient.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides the T-shaped lifting desk and chair, which can be used for conveniently pushing the seat directly when the distance between the seat and the desk needs to be shortened through the matching of the wedge blocks and the elastic pieces, and the dust removal opening can be used for conveniently discharging dust falling into the second limiting groove from the clamping groove in time, so that the clamping groove is prevented from being blocked to influence the use.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a T type lift desk chair, includes desk main part and is located the seat of its one side, the bottom both sides of desk main part all are equipped with first fixed horizontal pole, the bottom both sides of seat all are equipped with the second fixed horizontal pole be equipped with in the first fixed horizontal pole and stretch out its outside and be close to the gag lever post of second fixed horizontal pole one side, the second spacing groove has been seted up in the second fixed horizontal pole, the one end top that is located the second spacing inslot on the gag lever post is equipped with the voussoir, be connected with the elastic component between voussoir and the gag lever post, the draw-in groove of multiunit and the fixed horizontal pole upper end intercommunication of second has evenly been seted up to second spacing inslot top, the voussoir stretches into inside the draw-in groove, the ash removal mouth with the fixed horizontal pole bottom intercommunication of second is seted up to the voussoir.

As a preferable technical scheme of the utility model, the upper end of the limiting rod is provided with the mounting groove, the elastic piece is fixed in the mounting groove, and the bottom of the wedge block is positioned in the mounting groove and fixedly connected with the elastic piece.

As a preferable technical scheme of the utility model, the elastic piece comprises a fixed rod fixed in the mounting groove, a spring is sleeved outside the fixed rod, the tail end of the fixed rod stretches into the wedge block and is fixedly provided with a sliding ball, the sliding ball is in sliding connection with the wedge block, one end of the spring is abutted against the inner wall of the mounting groove, and the other end of the spring is fixedly connected with the wedge block.

As a preferable technical scheme of the utility model, a desk top is fixed above the desk main body, fixing frames are arranged at the two sides of the desk main body, and a first supporting frame is fixedly arranged between the fixing frames and a first fixing cross bar.

As a preferable technical scheme of the utility model, the two sides of the bottom of the seat are respectively fixed with the second support frame, the bottom of the second support frame is fixedly connected with the upper end of the second fixing cross rod, one side of the seat far away from the desk main body is fixed with a fixing piece, the fixing piece is fixed with a backrest, and an obtuse angle is formed between the backrest and the seat.

As a preferable technical scheme of the utility model, the first support frame and the second support frame are telescopic rods, a first limit groove is formed in the first fixed cross rod, one end of the limit rod extends into the first limit groove and is fixedly provided with a limit plate, a locating groove matched with the first limit groove is formed in the first limit groove, and the limit plate extends into the locating groove.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model can conveniently push the seat directly when the distance between the seat and the desk is needed to be shortened through the matching of the wedge block and the elastic piece, and the dust falling into the second limit groove from the clamping groove can be conveniently discharged in time through the arrangement of the dust removing opening, so that the clamping groove is prevented from being blocked and influencing the use.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged view of the utility model at A in FIG. 1;

FIG. 3 is an enlarged view of the utility model at B in FIG. 1;

fig. 4 is a schematic view of the structure of the seat according to the present utility model.

Wherein: 1. a first fixed rail; 2. a first support frame; 3. a desk main body; 4. a lesson desk; 5. a fixing frame; 6. a limit rod; 7. a first limit groove; 8. a second fixed cross bar; 9. the second limit groove; 10. an ash removing port; 11. a clamping groove; 12. a second support frame; 13. a seat; 14. a fixing member; 15. a backrest; 16. a limiting plate; 17. a positioning groove; 18. wedge blocks; 19. a mounting groove; 20. an elastic member.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

Examples:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the utility model provides a T-shaped lifting desk and chair, which comprises a desk main body 3 and a seat 13 positioned at one side of the desk main body, wherein both sides of the bottom of the desk main body 3 are respectively provided with a first fixed cross rod 1, both sides of the bottom of the seat 13 are respectively provided with a second fixed cross rod 8, a limit rod 6 which extends out of the first fixed cross rod 1 and is close to one side of the second fixed cross rod 8 is arranged in the first fixed cross rod, a second limit groove 9 is arranged in the second fixed cross rod 8, a wedge block 18 is arranged above one end of the limit rod 6 positioned in the second limit groove 9, an elastic piece 20 is connected between the wedge block 18 and the limit rod 6, a plurality of groups of clamping grooves 11 which are communicated with the upper end of the second fixed cross rod 8 are uniformly arranged above the second limit groove 9, the wedge block 18 extends into the clamping grooves 11, and a dust removing opening 10 which is communicated with the bottom of the second fixed cross rod 8 is arranged at the bottom of the second limit groove 9;

when the device is used, when the distance between the seat 13 and the desk main body 3 needs to be pulled, the seat 13 can be directly pushed to the direction of the desk main body 3, at the moment, the inclined edge above the wedge block 18 slides with the wall surface of the clamping groove 11 where the wedge block 18 is positioned, so that the wedge block 18 moves downwards and compresses the elastic piece 20, the position of the wedge block is finely adjusted until the approximate position of the seat 13 is adjusted, the wedge block 18 stretches into the corresponding clamping groove 11, at the moment, when the seat 13 is pulled backwards again, the right-angle edge on the wedge block 18 is connected with the clamping groove 11 in a clamping way, so that the seat 13 cannot be pulled backwards, the seat 13 and the desk main body 3 are conveniently limited, and when the position of the seat 13 needs to be adjusted backwards, the wedge block 18 can be inserted from the upper side of the clamping groove 11 by means of an external tool such as a pencil and pushed into the second limiting groove 9, and the seat 13 can be pulled backwards at the moment, so that the seat 13 can be adjusted directly when the distance between the seat 13 and the desk main body 3 needs to be pulled, the seat 13 is convenient, at the same time, the dust can be prevented from being blocked by the clamping groove 11 because the seat 13 is pulled backwards against the upper part 15, and the second limiting groove 11 is prevented from being blocked by the dust from being discharged from the bottom of the limiting groove 11.

As shown in fig. 1, 3 and 4, the upper end of the limiting rod 6 is provided with a mounting groove 19, the elastic element 20 is fixed inside the mounting groove 19, the bottom of the wedge 18 is positioned in the mounting groove 19 and is fixedly connected with the elastic element 20, the elastic element 20 comprises a fixing rod fixed inside the mounting groove 19, a spring is sleeved outside the fixing rod, the tail end of the fixing rod stretches into the wedge 18 and is fixedly provided with a sliding ball, the sliding ball is in sliding connection with the wedge 18, one end of the spring is abutted against the inner wall of the mounting groove 19, and the other end of the spring is fixedly connected with the wedge 18; the elastic piece 20 is conveniently installed by arranging the mounting groove 19, and the movement track of the wedge block 18 can be limited by arranging the fixing rod and the sliding ball, so that the wedge block can only reciprocate up and down, and the limit instability between the seat 13 and the desk main body 3 caused by the left and right swing of the wedge block is prevented.

As shown in fig. 1 and 4, a desk surface 4 is fixed above the desk main body 3, fixing frames 5 are respectively arranged at two sides of the desk main body 3, a first supporting frame 2 is fixedly arranged between the fixing frames 5 and the first fixing cross rod 1, second supporting frames 12 are respectively fixed at two sides of the bottom of the seat 13, the bottom of the second supporting frames 12 is fixedly connected with the upper ends of the second fixing cross rods 8, a fixing piece 14 is fixed at one side, far away from the desk main body 3, of the seat 13, a backrest 15 is fixed on the fixing piece 14, and an obtuse angle is formed between the backrest 15 and the seat 13; by arranging the backrest 15 and forming an obtuse angle with the seat 13, the student can lean on the backrest 15 in afternoon nap, so that the student can not only lie prone on the desk surface 4 to sleep, and the cervical vertebra of the student is injured.

As shown in fig. 1 and fig. 4, the first support frame 2 and the second support frame 12 are telescopic rods, a first limit groove 7 is formed in the first fixed cross rod 1, one end of the limit rod 6 extends into the first limit groove 7 and is fixed with a limit plate 16, a positioning groove 17 matched with the first limit groove 7 is formed in the first limit groove 7, and the limit plate 16 extends into the positioning groove 17; the first support frame 2 and the second support frame 12 can be set to be electric telescopic rods as required, and also can be set to be manual telescopic rods limited by bolts, so that the heights of the desk main body 3 and the seat 13 can be conveniently adjusted, the desk main body is suitable for different students, and the limiting plates 16 are arranged to extend into the positioning grooves 17 to limit the positions between the limiting rods 6 and the first fixed cross rod 1.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a T type lift desk chair, includes desk main part (3) and is located seat (13) of its one side, its characterized in that: the desk is characterized in that first fixed cross bars (1) are arranged on two sides of the bottom of the desk body (3), second fixed cross bars (8) are arranged on two sides of the bottom of the seat (13), limiting rods (6) extending out of the first fixed cross bars (1) and close to one sides of the second fixed cross bars (8), second limiting grooves (9) are formed in the second fixed cross bars (8), wedge blocks (18) are arranged on the limiting rods (6) and above one ends of the second limiting grooves (9), elastic pieces (20) are connected between the wedge blocks (18) and the limiting rods (6), a plurality of groups of clamping grooves (11) communicated with the upper ends of the second fixed cross bars (8) are uniformly formed in the second limiting grooves (9), and the wedge blocks (18) extend into the inside the clamping grooves (11), and ash removing openings (10) communicated with the bottoms of the second fixed cross bars (8) are formed in the bottoms of the second limiting grooves (9).

2. A T-shaped lift desk and chair as claimed in claim 1 wherein: the upper end of the limiting rod (6) is provided with a mounting groove (19), the elastic piece (20) is fixed inside the mounting groove (19), and the bottom of the wedge block (18) is positioned in the mounting groove (19) and fixedly connected with the elastic piece (20).

3. A T-shaped lift desk and chair as claimed in claim 2 wherein: the elastic piece (20) comprises a fixed rod fixed inside the mounting groove (19), a spring is sleeved outside the fixed rod, the tail end of the fixed rod stretches into the wedge block (18) and is fixedly provided with a sliding ball, the sliding ball is in sliding connection with the wedge block (18), one end of the spring is abutted to the inner wall of the mounting groove (19), and the other end of the spring is fixedly connected with the wedge block (18).

4. A T-shaped lift desk and chair as claimed in claim 1 wherein: the desk is characterized in that a school desk top (4) is fixed above the desk main body (3), fixing frames (5) are arranged at two sides of the desk main body (3) in height, and a first supporting frame (2) is fixedly arranged between the fixing frames (5) and the first fixing cross rod (1).

5. The T-shaped lift desk and chair of claim 4 wherein: the utility model discloses a desk, including desk main part (3), seat (13), bottom both sides of seat (13) all are fixed with second support frame (12), the upper end fixed connection of the bottom of second support frame (12) and second fixed horizontal pole (8), one side that keeps away from desk main part (3) on seat (13) is fixed with mounting (14), be fixed with back (15) on mounting (14), be the obtuse angle setting between back (15) and seat (13).

6. The T-shaped lifting desk and chair of claim 5 wherein: the telescopic support is characterized in that the first support frame (2) and the second support frame (12) are telescopic rods, a first limit groove (7) is formed in the first fixed cross rod (1), one end of the limit rod (6) stretches into the first limit groove (7) and is fixedly provided with a limit plate (16), a locating groove (17) matched with the first limit groove (7) is formed in the first limit groove, and the limit plate (16) stretches into the locating groove (17).