CN209846562U

CN209846562U - Desk and chair with good wear resistance

Info

Publication number: CN209846562U
Application number: CN201920392929.1U
Authority: CN
Inventors: 卢连福
Original assignee: Xiamen Huazhi Furniture Co Ltd
Current assignee: Xiamen Huazhi Furniture Co Ltd
Priority date: 2019-03-26
Filing date: 2019-03-26
Publication date: 2019-12-27
Anticipated expiration: 2029-03-26

Abstract

The utility model relates to the technical field of desk and chair, in particular to a desk and chair with good wear resistance, which comprises a desk and a chair, wherein the desk comprises a desk plate, a drawer frame, a chair mounting frame, foot frames, fixed bottom rods and connecting rods, the bottom of the desk plate is fixedly connected with the drawer frame, the bottom of the drawer frame is welded with the chair mounting frame, the bottom of the chair mounting frame is provided with an opening, the front side and the back side of the drawer frame are respectively provided with the foot frames, the bottom of the foot frames are all welded with the fixed bottom rods, the connecting rods are connected between the two groups of fixed bottom rods, the chair comprises a seat plate, an external thread circular tube, a threaded rod, an internal thread tube, a bottom frame, a bottom plate and a universal wheel, the bottom of the seat plate is fixedly connected with the threaded rod, the desk and chair are novel in design and convenient to use, the desk and chair can be, is suitable for further popularization and application.

Description

Desk and chair with good wear resistance

Technical Field

The utility model relates to a desk chair technical field, concretely relates to desk chair that wear resistance is good.

Background

The desk and chair is called desk and chair for students and is also called school desk and chair. The desk and chair can be divided according to age, material and function.

With the continuous improvement of the quality of learning and living, the functions required by people on teaching equipment are more and more, the time of students in a classroom is more, and most commonly used are desks and chairs. The desk and chair in the school at present are generally carried and cleaned by students, and most of the existing desk and chair are of fixed structures, are inconvenient to move, are usually carried by the students manually, and have high labor intensity. The bottom of some desks and chairs is provided with a roller with a brake mechanism so as to be convenient to move, and although the desks and chairs are convenient to move, the contact area between the roller and the ground is small, so that the desks and chairs are easy to shake and have poor stability in the use process.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a desk and chair with good wear resistance to solve the above mentioned problems.

The specific technical scheme is as follows:

a desk and chair with good wear resistance comprises a desk and a seat, wherein the desk comprises a desk plate, drawer frames, seat mounting frames, foot rests, fixed bottom rods and connecting rods, the drawer frames are fixedly connected to the bottom of the desk plate, the seat mounting frames are welded to the bottom of the drawer frames, openings are formed in the bottoms of the seat mounting frames, the foot rests are respectively arranged on the front side and the rear side of each drawer frame, the fixed bottom rods are welded to the bottoms of the foot rests, the connecting rods are connected between the two groups of fixed bottom rods, the seat comprises a seat plate, an external thread circular tube, a threaded rod, an internal thread tube, a bottom frame, a bottom plate and universal wheels, the threaded rod is fixedly connected to the bottom of the seat plate, the external thread circular tube is sleeved on the outer side of the threaded rod, the internal thread tube is rotatably connected to the top of the external thread circular tube, the internal thread tube is in threaded connection with, the bottom fixedly connected with bottom plate of external screw thread pipe, the left and right sides of bottom plate is provided with the universal wheel respectively.

Preferably, the width of the opening is greater than the diameter of the threaded shank.

Preferably, the foot rest includes grafting pipe, inserted bar and hand screw bolt, the grafting pipe is fixed in the bottom of table, the inside grafting of grafting pipe has the inserted bar, evenly be provided with the through-hole on the lateral wall of inserted bar, threaded connection has hand screw bolt on the lateral wall of grafting pipe, hand screw bolt inserts in the through-hole.

Preferably, the middle part of the bottom surface of the drawer frame is fixedly connected with a limiting column, and the top of the seat plate is provided with a round hole matched with the limiting column.

Preferably, be provided with the stopper on the inner wall of external screw thread pipe, be provided with on the lateral wall of threaded rod with stopper assorted spout, the stopper with the spout is sliding fit.

Preferably, the left end and the right end of the fixed bottom rod are both in threaded connection with an adjusting foot support.

Preferably, the top of the table plate is provided with a groove, an adjusting frame plate is arranged in the groove, and the front side and the rear side of the groove are symmetrically provided with pen grooves.

Preferably, the adjusting frame plate is rotatably connected with the side wall of the groove through a damping rotating shaft.

The utility model has the advantages that:

compared with the prior art, the utility model relates to a novelty, convenient to use, this desk chair is convenient for carry out the removal of desk chair through the combination of desk and seat, has avoided the inconvenience that artifical transport desk chair brought, suitable further uses widely. When the multifunctional pen is used, a user sits on the seat and works on the table plate, the pen groove is convenient for temporarily placing a pen, the adjusting frame plate can play a role in supporting books and reading materials, and when the multifunctional pen is used, the adjusting frame plate is adjusted to a proper angle and the reading materials and the books are put on the adjusting frame plate; when the seat does not need to move, the user can rotate the bottom frame, the bottom frame can rotate to descend along the circular external thread pipe, and the bottom of the bottom frame is contacted with the ground after descending, so that the seat is prevented from moving; when the desk and chair are required to be moved, the chair is pushed to the lower part of the desk, the seat plate is just arranged in the chair installation frame, then the internal thread tube is rotated to enable the seat plate to rise upwards, the seat plate rises to jack up the desk and enable the limiting column to be clamped into the round hole, then a user only needs to directly push the desk and chair to move, after the desk and chair are moved to a required position, the user only needs to reversely rotate the internal thread tube, and then the chair is taken out from the lower part of the desk.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1: the structure of the utility model is shown schematically;

FIG. 2: the utility model is a schematic view of a desk and a seat after combination;

FIG. 3: the top view of the middle table plate of the utility model;

FIG. 4: the utility model discloses a top view of a seat mounting frame;

FIG. 5: the enlarged view of the part a in the utility model;

FIG. 6: the utility model discloses well A department's sectional view.

Description of reference numerals:

10. the desk comprises a desk body, 11, a desk plate, 111, a groove, 112, a pen slot, 12, a drawer frame, 13, a seat mounting frame, 131, an opening, 14, a foot rest, 141, a plug pipe, 142, a plug rod, 1421, a through hole, 143, a hand-screwed bolt, 15, a fixed bottom rod, 16, a connecting rod, 20, a seat, 21, a seat plate, 211, a round hole, 22, an external thread round pipe, 221, a limiting block, 23, a threaded rod, 231, a sliding chute, 24, an internal thread pipe, 25, a bottom frame, 26, a bottom plate, 27, a universal wheel, 30, an adjusting foot support, 40, a limiting column, 50 and an adjusting frame plate.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 in conjunction with fig. 2-6: a desk and chair with good wear resistance comprises a desk 10 and a seat 20, wherein the desk 10 comprises a desk plate 11, a drawer frame 12, a seat mounting frame 13, foot rests 14, fixed bottom rods 15 and connecting rods 16, the drawer frame 12 is fixedly connected to the bottom of the desk plate 11, the seat mounting frame 13 is welded to the bottom of the drawer frame 12, an opening 131 is formed in the bottom of the seat mounting frame 13, the foot rests 14 are respectively arranged on the front side and the rear side of the drawer frame 12, the fixed bottom rods 15 are welded to the bottom of the foot rests 14, the connecting rods 16 are connected between the two groups of fixed bottom rods 15, the seat 20 comprises a seat plate 21, an external thread round pipe 22, a threaded rod 23, an internal thread pipe 24, a bottom frame 25, a bottom plate 26 and a universal wheel 27, the threaded rod 23 is fixedly connected to the bottom of the seat plate 21, the external thread round pipe 22 is sleeved on the outer side of the threaded rod 23, the internal thread, the bottom end of the external thread round pipe 22 is connected with a bottom frame 25 in a threaded manner, the bottom of the external thread round pipe 22 is fixedly connected with a bottom plate 26, and the left side and the right side of the bottom plate 26 are respectively provided with universal wheels 27.

Further, the width of the opening 131 is larger than the diameter of the threaded rod 23; this arrangement avoids interference of the opening 131 with the threaded rod 23 when the 20 is pushed into the 13.

Further, the foot rest 14 includes an insertion pipe 141, an insertion rod 142 and a hand-screwed bolt 143, the insertion pipe 141 is fixed at the bottom of the table 11, the insertion rod 142 is inserted into the insertion pipe 141, through holes 1421 are uniformly formed in the side wall of the insertion rod 142, the hand-screwed bolt 143 is connected to the side wall of the insertion pipe 141 through a thread, and the hand-screwed bolt 143 is inserted into the through holes 1421; when the height of the table 11 needs to be adjusted, the hand bolts 143 on both sides are unscrewed, then the table 11 is lifted upwards or pressed downwards, and after the table 11 is adjusted to the required height, the hand bolts 143 are screwed again to fix the height of the table 11.

Further, the middle part of the bottom surface of the drawer frame 12 is fixedly connected with a limiting column 40, and the top of the seat plate 21 is provided with a round hole 211 matched with the limiting column 40; when the desk 10 is supported upwards by the seat 20, the limiting column 40 can be engaged with the circular hole 211 (as shown in fig. 5), so that the seat 20 is prevented from being separated from the seat mounting frame 13 during the movement of the desk and chair.

Furthermore, a limit block 221 is arranged on the inner wall of the external thread round tube 22, a sliding groove 231 matched with the limit block 221 is arranged on the side wall of the threaded rod 23, and the limit block 221 and the sliding groove 231 are in sliding fit; the limiting block 221 and the sliding groove 231 are in sliding fit to play a limiting and guiding role (as shown in fig. 6) for the threaded rod 23, so that when the internal threaded pipe 24 rotates, the threaded rod 23 rotates along with the internal threaded pipe 24, and the threaded rod 23 can vertically lift.

Furthermore, the left end and the right end of the fixed bottom rod 15 are both in threaded connection with an adjusting foot support 30; the arrangement is convenient for levelness adjustment of the desk 10 in the using process.

Further, a groove 111 is formed in the top of the table 11, the adjusting frame plate 50 is disposed inside the groove 111, and pen slots 112 are symmetrically disposed on the front side and the rear side of the groove 111.

Further, the adjusting frame plate 50 is rotatably connected with the side wall of the groove 111 through a damping rotating shaft; facilitating adjustment of the rotation angle of the adjustable shelf plate 50.

The working principle is as follows: when the chair is used, a user sits on the chair 20 and works on the table board 11 (as shown in fig. 1), the pen groove 112 is arranged to facilitate temporary placement of a pen, the adjusting frame board 50 is arranged to support books and reading materials, and when the chair is used, the adjusting frame board 50 is adjusted to a proper angle and the reading materials and the books are arranged on the adjusting frame board 50; if the height of the table plate 11 is too high or too low in the using process, a user can adjust the height of the foot stool 14, when the height of the seat plate 21 needs to be adjusted, the internal thread pipe 24 is rotated, the internal thread pipe 24 rotates to drive the threaded rod 23 to lift, so that the height of the seat plate 21 can be adjusted, when the seat 20 does not need to be moved, the user can rotate the bottom frame 25, the bottom frame 25 rotates to descend along the external thread circular pipe 22, the bottom of the bottom frame 25 is contacted with the ground after descending, and the seat 20 is prevented from moving; when the desk and chair are required to be moved, the chair 20 is pushed to the lower part of the desk 10, the seat plate 21 is just arranged in the chair mounting frame 13, then the internal thread pipe 24 is rotated to enable the seat plate 21 to rise upwards, the seat plate 21 rises to jack the desk 10 and enable the limiting column 40 to be clamped into the round hole 211 (as shown in fig. 2), then a user only needs to directly push the desk and chair to move, after the desk and chair are moved to a required position, the user only needs to reversely rotate the internal thread pipe 24, and then the chair 20 is lifted out from the lower part of the desk 10.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a desk chair that wear resistance is good, a serial communication port, including desk (10) and seat (20), desk (10) are including table (11), drawer frame (12), seat installing frame (13), foot rest (14), fixed sill bar (15) and connecting rod (16), bottom fixedly connected with drawer frame (12) of table (11), the bottom welding of drawer frame (12) has seat installing frame (13), opening (131) have been seted up to the bottom of seat installing frame (13), both sides are provided with foot rest (14) respectively around drawer frame (12), fixed sill bar (15) have all been welded to the bottom of foot rest (14), and are two sets of be connected with connecting rod (16) between fixed sill bar (15), seat (20) include seat (21), external screw thread pipe (22), threaded rod (23), internal thread pipe (24), Underframe (25), bottom plate (26) and universal wheel (27), bottom fixedly connected with threaded rod (23) of seat (21), the outside cover of threaded rod (23) is equipped with external screw thread pipe (22), the top of external screw thread pipe (22) is rotated and is connected with internal thread pipe (24), internal thread pipe (24) with threaded rod (23) threaded connection, the lower extreme threaded connection of external screw thread pipe (22) has underframe (25), bottom fixedly connected with bottom plate (26) of external screw thread pipe (22), the left and right sides of bottom plate (26) is provided with universal wheel (27) respectively.

2. The desk and chair with good wear resistance as claimed in claim 1, wherein: the width of the opening (131) is greater than the diameter of the threaded rod (23).

3. The desk and chair with good wear resistance as claimed in claim 1, wherein: the foot stool (14) comprises an insertion pipe (141), an insertion rod (142) and a hand-screwed bolt (143), the insertion pipe (141) is fixed at the bottom of the table board (11), the insertion rod (142) is inserted into the insertion pipe (141), through holes (1421) are uniformly formed in the side wall of the insertion rod (142), the hand-screwed bolt (143) is connected to the side wall of the insertion pipe (141) in a threaded mode, and the hand-screwed bolt (143) is inserted into the through holes (1421).

4. The desk and chair with good wear resistance as claimed in claim 1, wherein: the middle part of the bottom surface of the drawer frame (12) is fixedly connected with a limiting column (40), and the top of the seat plate (21) is provided with a round hole (211) matched with the limiting column (40).

5. The desk and chair with good wear resistance as claimed in claim 1, wherein: be provided with stopper (221) on the inner wall of external screw thread pipe (22), be provided with on the lateral wall of threaded rod (23) with stopper (221) assorted spout (231), stopper (221) with spout (231) are sliding fit.

6. The desk and chair with good wear resistance as claimed in claim 1, wherein: the left end and the right end of the fixed bottom rod (15) are both in threaded connection with an adjusting foot support (30).

7. The desk and chair with good wear resistance as claimed in claim 1, wherein: the top of the table plate (11) is provided with a groove (111), an adjusting frame plate (50) is arranged inside the groove (111), and pen grooves (112) are symmetrically arranged on the front side and the rear side of the groove (111).

8. The desk and chair with good wear resistance as claimed in claim 7, wherein: the adjusting frame plate (50) is rotatably connected with the side wall of the groove (111) through a damping rotating shaft.