CN111887601A

CN111887601A - Student desk and chair convenient to move and put

Info

Publication number: CN111887601A
Application number: CN202010901572.2A
Authority: CN
Inventors: 李后祖; 魏义水
Original assignee: Nancheng Ludong Teaching Equipment Co ltd
Current assignee: Yunyang County Luyang Junior Middle School
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2020-11-06
Anticipated expiration: 2040-08-31
Also published as: CN111887601B

Abstract

The invention relates to a desk and chair, in particular to a student desk and chair convenient to move. The invention aims to solve the technical problem of how to design a student desk and chair which can be folded during transportation, so that the student desk and chair can be more conveniently transported manually. In order to solve the technical problem, the invention provides a student desk and chair convenient for moving, which comprises: two first fixing rods are connected to two sides of the table body; the number of the supporting rods is consistent with that of the first fixing rods, the supporting rods are respectively hinged to the first fixing rods, the supporting rods on two sides are arranged in a staggered mode, and a torsion spring is connected between the supporting rods and the first fixing rods. The desk and chair has the advantages that the seat cushion component and the desk body are matched to operate to enable students to sit, so that the basic functions of the desk and chair are achieved.

Description

Student desk and chair convenient to move and put

Technical Field

The invention relates to a desk and chair, in particular to a student desk and chair convenient to move.

Background

In modern society, schools are organizations that perform systematic education in a planned and organized manner, and the names originate from the civilian countries, and in the class of schools, desks and chairs are generally needed to allow students to sit, and then teachers perform teaching on the podium, so that the desks and chairs are more important, and the desks and chairs are desks and chairs for students to attend class, and are also called as student desks and chairs and school desks and chairs.

Through the retrieval, grant patent publication CN 208080853U's patent, disclose a desk chair, through opening the table lid that articulates on the desktop, screw out the L type handle of chucking in the table leg upper groove, push-and-pull L type handle drives the piston rod in the inflater, inflate in the pillow through the inlet nozzle that links to each other with the intake pipe, the pillow is inflated and is expanded to the height that the user is fit for having a rest and arrive, stop to aerify, screw in L type handle recess and carry out the chucking with L type handle, the user can sit on the seat and fall the rest at the desktop, table lid lower part is equipped with the table box, when the user is at the rest, can put into the table box with both hands, need not be used for supporting the head and influence the sleep quality, above-mentioned patent exists: when the desk is carried, the desk and the chair are respectively held by two hands, so that the desk and the chair are inconvenient to carry, and the requirements of people cannot be met.

Therefore, it is necessary to develop a student desk and chair that can be folded during transportation, so that the student desk and chair can be conveniently transported by manual work during transportation.

Disclosure of Invention

(1) Technical problem to be solved

The invention aims to overcome the defect that the student desk and chair are inconvenient to carry because the student desk and chair are respectively held by two hands of people when the student desk and chair are carried, and the technical problem to be solved by the invention is to provide the student desk and chair which can be folded when being carried, so that the student desk and chair can be conveniently carried manually.

(2) Technical scheme

In order to solve the technical problem, the invention provides the student desk and chair convenient to move, which comprises a desk body, wherein two sides of the desk body are respectively connected with two first fixing rods; the number of the supporting rods is consistent with that of the first fixing rods, the plurality of supporting rods are respectively hinged to the plurality of first fixing rods, the supporting rods on two sides are arranged in a staggered mode, and torsion springs are connected between the supporting rods and the first fixing rods; the number of the second fixing rods is consistent with that of the first fixing rods, the plurality of second fixing rods are respectively connected to the plurality of first fixing rods, and the second fixing rods are used for abutting against the supporting rods; the cushion component is arranged on the table body; a support assembly disposed on the cushion assembly; the lifting component is arranged on the table body.

Preferably, the cushion component comprises a limiting rod which is connected to one side of the table body; the swinging frame is rotatably connected to one side of the table body, which is connected with the limiting rod, and the swinging frame is matched with the limiting rod; the seat plate is connected to the swing frame in a sliding mode, and an elastic piece is connected between the seat plate and the swing frame.

Preferably, the support assembly comprises a shaft lever which is rotatably connected to the bottom of the swing frame, and support rods are connected to two sides of the shaft lever; and the limiting plate is rotatably connected to the swing frame and used for abutting against the seat plate.

Preferably, the lifting assembly comprises a fixed frame which is connected to the other side of the table body; the two wedge blocks are respectively connected to two sides of the fixing frame in a sliding manner, and a return spring is connected between the wedge blocks and the fixing frame; the sliding rod is connected to one side, close to the fixing frame, of the table body in a sliding mode, an extension spring is connected between the sliding rod and the table body, and the sliding rod is matched with the supporting rod and the wedge-shaped block respectively.

Preferably, the table further comprises an extrusion assembly, wherein the extrusion assembly comprises a first rotating shaft which is rotatably connected to one side of the table body close to the fixed frame; the first one-way clutch is connected to the first rotating shaft, a cam is connected to the first one-way clutch, and the first rotating shaft is in transmission connection with a transmission shaft of the swing frame; and the connecting rod is connected to the sliding rod and matched with the cam.

Preferably, the device also comprises a pulling assembly, wherein the pulling assembly comprises two extension rods, the two extension rods are respectively connected to the two wedge-shaped blocks, and the extension rods are connected with spur racks; the second rotating shaft is rotatably connected to one side of the table body, which is close to the spur rack; the second one-way clutch is connected to the second rotating shaft; the two bevel gears are respectively connected to the second one-way clutch and the first rotating shaft and are meshed with each other; and the gear with missing teeth is connected to the bottom of the second rotating shaft and is meshed with the straight rack.

(3) Advantageous effects

1. The desk and chair has the advantages that the seat cushion component and the desk body are matched to operate to enable students to sit, so that the basic functions of the desk and chair are achieved.

2. The desk and chair device is folded by the matching operation of the supporting component and the lifting component, so that the desk and chair device is more convenient to carry manually, and the technical problems in the patents are effectively solved.

3. The invention assists the operation of the lifting assembly by the extrusion assembly and the pulling assembly, and the operation of the lifting assembly is not required to be operated manually, thereby effectively saving manpower.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

FIG. 2 is a diagram of a first partial body structure of the present invention.

Fig. 3 is a partial perspective view of the seat cushion assembly of the present invention.

FIG. 4 is a diagram of a second partial body structure according to the present invention.

The labels in the figures are: 1-a table body, 2-a first fixed rod, 3-a support rod, 4-a torsion spring, 5-a second fixed rod, 6-a cushion component, 61-a limiting rod, 62-a swinging frame, 63-a seat plate, 64-an elastic component, 7-a supporting component, 71-a shaft rod, 72-a supporting rod, 73-a limiting plate, 8-a lifting component, 81-a fixing frame, 82-a wedge block, 83-a reset spring, 84-a sliding rod, 85-a stretching spring, 9-a squeezing component, 91-a first rotating shaft, 92-a first one-way clutch, 93-a cam, 94-a connecting rod, 10-a pulling component, 101-a stretching rod, 102-a straight rack, 103-a second rotating shaft and 104-a second one-way clutch, 105-bevel gear, 106-missing tooth gear.

Detailed Description

The invention is further described below with reference to the figures and examples.

Example 1

The utility model provides a be convenient for remove and put and use student's desk chair, as shown in fig. 1-3, including the table body 1, first dead lever 2, branch 3, torsion spring 4 and second dead lever 5, both sides all are connected with two first dead levers 2 around the table body 1, the articulated branch 3 that is connected with on the first dead lever 2, the branch 3 of both sides is crisscross setting, be connected with torsion spring 4 between branch 3 and the first dead lever 2, be connected with second dead lever 5 on the first dead lever 2, second dead lever 5 is used for supporting branch 3, still including cushion subassembly 6, supporting component 7 and lifting unit 8, be equipped with cushion subassembly 6 and lifting unit 8 on the table body 1, be equipped with supporting component 7 on the cushion subassembly 6.

The cushion assembly 6 comprises a limiting rod 61, a swing frame 62, a seat 63 and an elastic piece 64, the limiting rod 61 is connected to the front side of the table body 1, the swing frame 62 is rotatably connected to the front side of the table body 1, the swing frame 62 is matched with the limiting rod 61, the seat 63 is slidably connected to the swing frame 62, and the elastic piece 64 is connected between the seat 63 and the swing frame 62.

The supporting component 7 comprises a shaft rod 71, a supporting rod 72 and a limiting plate 73, the shaft rod 71 is rotatably connected to the bottom of the swing frame 62, the supporting rod 72 is respectively connected to the front side and the rear side of the shaft rod 71, the limiting plate 73 is rotatably connected to the right side of the swing frame 62, and the limiting plate 73 is used for abutting against the seat plate 63.

Lifting unit 8 is including mount 81, wedge 82, reset spring 83, slide bar 84 and extension spring 85, and table body 1 left side is connected with mount 81, and both sides all are connected with wedge 82 around mount 81 slidingly, are connected with reset spring 83 between wedge 82 and the mount 81, and table body 1 left side slidingly is connected with slide bar 84, is connected with extension spring 85 between slide bar 84 and the table body 1, and slide bar 84 cooperates with branch 3 and wedge 82 respectively.

When the desk and chair is required to be used, the desk and chair can be used, initially, the extension spring 85 is in an extension state, the sliding rod 84 abuts against the supporting rod 3, the wedge-shaped block 82 abuts against the sliding rod 84, and the torsion spring 4 is in a compression state, when the desk and chair is used, the limiting plate 73 can be firstly rotated to ensure that the limiting plate 73 does not abut against the seat plate 63, then a user pulls the seat plate 63 to move rightwards, the elastic piece 64 is compressed, the user moves to a position between the desk body 1 and the seat plate 63, after the movement is finished, the user can loosen the seat plate 63, the seat plate 63 is reset under the action of the elastic piece 64, then the user can twist the limiting plate 73 to abut against the seat plate 63, at the moment, the user can sit on the seat plate 63 to use the desk and chair, when the desk and chair is required to be carried, the user can firstly go out of the desk and chair, then twist the shaft lever 71 to drive the, the swing frame 62 is then twisted to rotate one hundred eighty degrees, the swing frame 62 rotates to drive all devices on the swing frame to rotate together, so that the cushion assembly 6 is folded, after the cushion assembly 6 is folded, a user can pull the wedge blocks 82 on the two sides to approach each other, the return spring 83 is compressed, when the wedge blocks 82 move to a position where the wedge blocks do not abut against the slide rod 84, the slide rod 84 moves upwards under the action of the extension spring 85, the slide rod 84 does not abut against the support rod 3 after moving upwards, at the moment, the support rod 3 swings and resets under the action of the torsion spring 4, the slide rod 84 is also positioned above the wedge blocks 82, so that the desk and chair are folded, so that the manual carrying of the desk and chair is more convenient, when the device needs to be used again, the user pulls the slide rod 84 to move downwards and then reversely twists the swing frame 62 to rotate one hundred.

Example 2

On the basis of embodiment 1, as shown in fig. 4, the table further includes an extruding assembly 9, the extruding assembly 9 includes a first rotating shaft 91, a first one-way clutch 92, a cam 93 and a connecting rod 94, the left side of the table body 1 is rotatably connected with the first rotating shaft 91, the first rotating shaft 91 is connected with the first one-way clutch 92, the first one-way clutch 92 is connected with the cam 93, the first rotating shaft 91 is in transmission connection with a transmission shaft of the swing frame 62, the sliding rod 84 is connected with the connecting rod 94, and the connecting rod 94 is matched with the cam 93.

The swing frame 62 drives the first rotating shaft 91 to rotate when rotating, at this time, the first rotating shaft 91 rotates under the action of the first one-way clutch 92 and cannot drive the cam 93 to rotate, the swing frame 62 also drives the first rotating shaft 91 to rotate reversely when rotating reversely, at this time, the first rotating shaft 91 rotates reversely and can drive the cam 93 to rotate reversely, after the cam 93 rotates reversely to be in contact with the connecting rod 94, the cam 93 continues to rotate reversely and can push the connecting rod 94 to move downwards, the connecting rod 94 moves downwards and drives the sliding rod 84 to move downwards, and therefore, the sliding rod 84 does not need to be pulled to move downwards manually, and manpower is effectively saved.

Example 3

On the basis of embodiment 2, as shown in fig. 4, the table further includes a pulling assembly 10, the pulling assembly 10 includes an extension rod 101, a spur rack 102, a second rotating shaft 103, a second one-way clutch 104, bevel gears 105 and a tooth-missing gear 106, the two wedge-shaped blocks 82 are both connected with the extension rod 101, the extension rod 101 is connected with the spur rack 102, the left side of the table body 1 is rotatably connected with the second rotating shaft 103, the second rotating shaft 103 is connected with the second one-way clutch 104, the second one-way clutch 104 and the first rotating shaft 91 are both connected with the bevel gears 105, the two bevel gears 105 are engaged with each other, the bottom of the second rotating shaft 103 is connected with the tooth-missing gear 106, and the tooth-missing gear 106 is engaged with the spur rack 102.

When the first rotating shaft 91 rotates, the bevel gear 105 drives the second rotating shaft 103 to rotate, the second rotating shaft 103 rotates to drive the gear with missing teeth 106 to rotate, after the gear 106 with missing teeth rotates to be meshed with the spur rack 102, the gear 106 with missing teeth continues to rotate to poke the spur racks 102 on both sides to approach each other, the spur racks 102 on both sides approach each other and drive the wedge blocks 82 on both sides to approach each other through the extension rod 101, the return spring 83 is compressed, the wedge blocks 82 on both sides no longer abut against the sliding rod 84 after approaching each other, when the toothless gear 106 rotates to be no longer meshed with the spur racks 102 on both sides, the wedge block 82 is reset by the reset spring 83, the sliding rod 84 is also located above the wedge block 82, so that the wedge block 82 does not need to be pulled manually to move, manpower is saved effectively, and the second rotating shaft 103 cannot rotate under the action of the second one-way clutch 104 when the first rotating shaft 91 rotates in the reverse direction.

The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a be convenient for remove and put and use student's desk chair which characterized in that, including:

two sides of the table body (1) are connected with two first fixing rods (2);

the number of the supporting rods (3) is consistent with that of the first fixing rods (2), the supporting rods (3) are respectively hinged to the first fixing rods (2), the supporting rods (3) on the two sides are arranged in a staggered mode, and the supporting rods (3) and the first fixing rods (2)

A torsion spring (4) is connected between the first fixing rods (2);

the number of the second fixing rods (5) is consistent with that of the first fixing rods (2), the second fixing rods (5) are respectively connected to the first fixing rods (2), and the second fixing rods (5) are used for abutting against the supporting rods (3);

a cushion component (6) arranged on the table body (1);

a support assembly (7) provided on the cushion assembly (6);

a lifting component (8) arranged on the table body (1).

2. A student desk and chair convenient for carrying as claimed in claim 1 wherein the cushion assembly (6) comprises:

a limiting rod (61) connected to one side of the table body (1);

the swing frame (62) is rotatably connected to one side of the table body (1) connected with the limiting rod (61), and the swing frame (62) is matched with the limiting rod (61);

a seat plate (63) which is connected on the swing frame (62) in a sliding way, and an elastic piece (64) is connected between the seat plate (63) and the swing frame (62).

3. A student desk and chair convenient for carrying as claimed in claim 2 wherein the support member (7) comprises:

the shaft lever (71) is rotatably connected to the bottom of the swing frame (62), and two sides of the shaft lever (71) are connected with supporting rods (72);

and the limiting plate (73) is rotatably connected to the swing frame (62), and the limiting plate (73) is used for abutting against the seat plate (63).

4. A student desk and chair convenient for carrying as claimed in claim 3 wherein the lifting assembly (8) comprises:

a fixed mount (81) connected to the other side of the table body (1);

the wedge-shaped blocks (82) are arranged in two blocks, the two wedge-shaped blocks (82) are respectively connected to two sides of the fixing frame (81) in a sliding mode, and a return spring (83) is connected between each wedge-shaped block (82) and the fixing frame (81);

the sliding rod (84) is connected to one side, close to the fixed frame (81), of the table body (1) in a sliding mode, an extension spring (85) is connected between the sliding rod (84) and the table body (1), and the sliding rod (84) is matched with the supporting rod (3) and the wedge-shaped block (82) respectively.

5. The student desk and chair convenient for carrying and placing as claimed in claim 4, further comprising a squeezing assembly (9), wherein the squeezing assembly (9) comprises:

the first rotating shaft (91) is rotatably connected to one side, close to the fixed frame (81), of the table body (1);

the first one-way clutch (92) is connected to the first rotating shaft (91), a cam (93) is connected to the first one-way clutch (92), and the first rotating shaft (91) is in transmission connection with a transmission shaft of the swing frame (62); and a connecting rod (94) connected to the slide rod (84), the connecting rod (94) engaging with the cam (93).

6. The student desk and chair convenient for carrying and placing as claimed in claim 5, further comprising a pulling assembly (10), wherein the pulling assembly (10) comprises:

the two extension rods (101) are arranged, the two extension rods (101) are respectively connected to the two wedge-shaped blocks (82), and the extension rods (101) are connected with spur racks (102);

the second rotating shaft (103) is rotatably connected to one side, close to the straight rack (102), of the table body (1);

a second one-way clutch (104) connected to the second rotating shaft (103);

the two bevel gears (105) are arranged, the two bevel gears (105) are respectively connected to the second one-way clutch (104) and the first rotating shaft (91), and the two bevel gears (105) are meshed with each other;

and the tooth-missing gear (106) is connected to the bottom of the second rotating shaft (103), and the tooth-missing gear (106) is meshed with the spur rack (102).