CN111772344B - Desk and chair with correcting and anti-drowsiness functions - Google Patents
Desk and chair with correcting and anti-drowsiness functions Download PDFInfo
- Publication number
- CN111772344B CN111772344B CN202010899902.9A CN202010899902A CN111772344B CN 111772344 B CN111772344 B CN 111772344B CN 202010899902 A CN202010899902 A CN 202010899902A CN 111772344 B CN111772344 B CN 111772344B
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- chair
- desk
- correcting
- seat
- block
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B39/00—School forms; Benches or forms combined with desks
- A47B39/10—Devices for holding pupils upright, i.e. body supports
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B39/00—School forms; Benches or forms combined with desks
- A47B39/12—Miscellaneous equipment for forms, e.g. inkpots, displacing apparatus for the cleaning
Abstract
The invention relates to a desk and chair, in particular to a desk and chair with functions of correcting and preventing sleepiness. The technical problem to be solved by the invention is as follows: the desk and chair with the function of correcting and preventing the student doze can automatically remind the student of dozing off without affecting other people and damaging the student. A desk and chair with function of correcting and preventing sleepiness comprises: the backrest bracket is rotatably arranged on the seat bracket; a seat back mounted on the back support; a sitting posture correcting assembly mounted on the seat back; an anti-drowsing assembly mounted on the seat back. The invention is provided with the sitting posture correcting component, thereby not only achieving the function of correcting sitting posture, but also preventing students from lying on a table for sleeping; the anti-dozing-off device is provided with the anti-dozing component, so that students can be reminded when the students want to doze off, and the anti-dozing device is provided with the telescopic rod, the limiting handle and the second spring, so that the students can be prevented from being injured when being reminded.
Description
Technical Field
The invention relates to a desk and chair, in particular to a desk and chair with functions of correcting and preventing sleepiness.
Background
The chair is a daily-life furniture, a seat with a backrest and armrests. Modern chairs pursue beauty and fashion, and some chairs are not seats alone and are endowed with more technologies, so that the chairs are more convenient for human beings. The desk and chair is a desk and chair for students to attend class, also called student desk and chair, school desk and chair. The desk and chair can be divided according to age, material and function. Dividing according to age groups: school desk and chair for children, school student desk and chair for middle school students, and school student desk and chair for college students; according to the function, the method comprises the following steps: fixed desk and chair and lifting desk and chair; the materials are divided into: it is divided into wooden desk and chair, plastic desk and chair and steel-wood desk and chair.
A lot of students all can doze on class now, directly lie prone on the desk and sleep even, when the student dozes off, influence learning efficiency very much, influence student on every side even, make classmates' learning efficiency variation, influence the quality of teaching again when mr manages.
Therefore, the desk and chair with the functions of correcting and preventing the student doze can automatically remind the student of dozing off without affecting other people and damaging the student.
Disclosure of Invention
In order to overcome the defects that the learning efficiency of students is greatly influenced when the students doze off, even the learning efficiency of students around is influenced, the learning efficiency of students is deteriorated, and the teaching quality is influenced when a teacher manages, the technical problems of the invention are as follows: the desk and chair with the function of correcting and preventing the student doze can automatically remind the student of dozing off without affecting other people and damaging the student.
A desk and chair with function of correcting and preventing sleepiness comprises: the backrest bracket is rotatably arranged on the seat bracket; a seat back mounted on the back support; a sitting posture correcting assembly mounted on the seat back; an anti-drowsing assembly mounted on the seat back.
Further, the sitting posture correcting component comprises: the mounting plates are mounted on two sides of the seat back; the rotating shaft is rotatably arranged between the two mounting plates; the belt is arranged on the rotating shaft; a first torsion spring installed between the rotation shaft and the mounting plate; the first guide blocks are arranged on two sides of the seat backrest, and the belt is matched with the first guide blocks in a sliding manner; the clamping block is slidably arranged on the first guide block on one side; the U-shaped block is arranged on the first guide block on one side; the first spring is arranged between the U-shaped block and the clamping block; the pulling frame is arranged on the clamping block and is matched with the U-shaped block in a sliding manner; the buckle is installed on the belt.
Further, the anti-drowsing component comprises: the limiting blocks are arranged on two sides of the seat support; gears installed at both sides of the backrest bracket; the second torsion spring is arranged between the gear and the seat bracket; the fixing frames are arranged on two sides of the seat support; the second guide block is arranged on the fixed frame; the rack is slidably arranged on the second guide block and is meshed with the gear; the connecting rod is arranged between the racks on the two sides; the telescopic rod is arranged on the connecting rod; the rubber ball is arranged on the telescopic rod; and the second spring is arranged between the rubber ball and the telescopic rod.
Further, the method also comprises the following steps: and the limiting handles are arranged on two sides of the seat support.
Further, the method also comprises the following steps: the ratchet wheel is arranged on the rotating shaft; the guide frame is arranged on the backrest bracket; the sliding frame is arranged on the guide frame in a sliding mode, and the buckle is matched with the sliding frame; the third spring is arranged between the sliding frame and the guide frame; a profile block mounted on the carriage; the ratchet is rotatably arranged on the special-shaped block and matched with the ratchet wheel; and the third torsion spring is arranged between the ratchet and the special-shaped block.
Further, the method also comprises the following steps: the height of the seat support is fifty centimeters.
Compared with the prior art, the invention has the following advantages: 1. the invention is provided with the sitting posture correcting component, thereby not only achieving the function of correcting sitting posture, but also preventing students from lying on a table for sleeping;
2. the anti-dozing device is provided with the anti-dozing component, so that students can be reminded when the students want to doze off, the telescopic rod and the second spring are arranged, the students can be prevented from being injured when the students are reminded, and the limiting handle is arranged, so that the students can be prevented from being injured when the front inclination angle of the students is too large;
3. the invention is provided with the ratchet wheel and the ratchet teeth, thereby preventing students from tearing the belt and influencing the anti-drowsiness effect of the invention.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the sitting posture correcting assembly of the present invention.
Fig. 3 is a schematic perspective view of the anti-drowsing assembly of the present invention.
Fig. 4 is a partial perspective view of the present invention.
Fig. 5 is an enlarged schematic view of part a of the present invention.
Fig. 6 is an enlarged view of part B of the present invention.
In the above drawings: 1: seat support, 2: back support, 3: seat back, 4: correcting sitting posture component, 41: mounting plate, 42: rotating shaft, 43: belt, 44: first torsion spring, 45: first guide block, 46: a latch, 47: u-shaped block, 48: first spring, 49: pulling frame, 491: buckle, 5: anti-drowsing component, 51: stopper, 52: gear, 53: second torsion spring, 54: mount, 55: second guide block, 56: rack, 57: connecting rod, 58: telescopic rod, 59: second spring, 591: rubber ball, 6: spacing handle, 7: ratchet, 8: guide frame, 9: carriage, 10: third spring, 11: a shaped block, 12: ratchet, 13: a third torsion spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Example 1
A desk and chair with function of correcting and preventing sleepiness is disclosed, as shown in figures 1, 2, 3, 5 and 6, and comprises a seat support 1, a backrest support 2, a seat backrest 3, a sitting posture correcting component 4 and a dozing preventing component 5, wherein the backrest support 2 is rotatably mounted on the upper side of the seat support 1, the seat backrest 3 is mounted on the upper side of the backrest support 2, the sitting posture correcting component 4 is mounted on the seat backrest 3, and the dozing preventing component 5 is mounted on the seat backrest 3.
When a student sits on the seat support 1 and leans against the seat backrest 3 in class, the sitting posture correcting component 4 is controlled to enable the student to keep a sitting straight state, when the student wants to doze, the student leans forward to trigger the doze preventing component 5, the student is reminded, the sitting posture correcting component 4 can be controlled to prevent the student from acting on the student after class, and at the moment, the student leans forward to prevent the doze preventing component 5 from being triggered.
The sitting posture correcting component 4 comprises a mounting plate 41, a rotating shaft 42, a belt 43, a first torsion spring 44, a first guide block 45, a clamping block 46, a U-shaped block 47, a first spring 48, a pulling frame 49 and a buckle 491, two mounting panels 41 are installed from top to bottom in the left side of seat back 3, pivot 42 is installed to the rotary type between two mounting panels 41, be connected with belt 43 in the pivot 42, install first torsion spring 44 between pivot 42 and the mounting panel 41, first guide 45 is all installed to the left and right sides of seat back 3, belt 43 and the equal slidingtype cooperation of first guide 45, fixture block 46 is installed to the sliding type on the first guide 45 in the right side, the right side of the first guide 45 in the right side is connected with U-shaped piece 47, be connected with first spring 48 between U-shaped piece 47 and the fixture block 46, the right side of fixture block 46 is connected with stretcher 49, stretcher 49 and the slidingtype cooperation of U-shaped piece 47, the trailing end connection of belt 43 has buckle 491.
When the belt 43 is pulled by hand, the rotating shaft 42 rotates at the moment, the first torsion spring 44 deforms, then the pulling frame 49 is pulled, the first spring 48 is compressed at the moment, the belt 43 passes through the first guide block 45 on the right side, then the pulling frame 49 is released, the first spring 48 rebounds, so that the clamping block 46 clamps the belt 43, at the moment, the person can be fixed on the seat back 3 to keep the sitting straight state, when the sitting posture does not need to be corrected, the pulling frame 49 is pulled, the first spring 48 is compressed at the moment, the belt 43 is taken out of the first guide block 45 on the right side, then the pulling frame 49 is released, the first spring 48 rebounds to reset the pulling frame 49, then the first torsion spring 44 resets, the rotating shaft 42 is driven to rotate reversely, and the belt 43 is reset.
The anti-drowsing component 5 comprises a limiting block 51, a gear 52, a second torsion spring 53, a fixing frame 54, a second guide block 55, a rack 56, a connecting rod 57, an expansion rod 58, a second spring 59 and a rubber ball 591, wherein the limiting block 51 is arranged on each of the left side and the right side of the rear portion of the seat support 1, the gear 52 is arranged on each of the left side and the right side of the backrest support 2, the second torsion spring 53 is arranged between the gear 52 and the seat support 1, the fixing frame 54 is connected to each of the left side and the right side of the seat support 1, the second guide block 55 is connected to the upper side of the fixing frame 54, the rack 56 is connected to the lower side of the second guide block 55 in a sliding manner, the rack 56 is meshed with the gear 52, the connecting rod 57 is connected between the racks 56 on both sides, the expansion rod 58 is connected to the front side of the connecting rod 57, the rubber ball 591 is installed on the front side of the expansion rod 58, and the second spring 59 is connected between the rubber ball 591 and the expansion rod 58.
After the student fastens the belt 43, the body can lean forward when wanting to sleep, the backrest support 2 can be driven to rotate, the gear 52 is driven to rotate, the rack 56 is driven to move, the second torsion spring 53 deforms, the connecting rod 57, the telescopic rod 58, the second spring 59 and the rubber ball 591 are driven to move forward, the rubber ball 591 can be in contact with the back of the student, the student is reminded of not sleeping, meanwhile, the telescopic rod 58 and the second spring 59 are compressed, the student is not hurt, after the student sits straight, the backrest support 2 can be driven to rotate reversely, the second torsion spring 53 restores, the gear 52 and the rack 56 are driven to restore, the rubber ball 591 can move backward and is not in contact with the back of the student any more, and the spring rebounds at the moment, and the rubber ball 591 and the telescopic rod 58 are driven to restore.
Example 2
On the basis of embodiment 1, as shown in fig. 1 and 4, the seat further includes a limit handle 6, and the left and right sides of the seat support 1 are provided with the limit handles 6.
When the rubber ball 591 contacts with the back of the student and the student continues to lean forward, the rack 56 contacts with the limiting handle 6, so that the rack 56 does not move forward any more, the student cannot continue to lean forward, and the rubber ball 591 is prevented from being pushed forward all the time to hurt the student.
Still including ratchet 7, leading truck 8, balladeur train 9, third spring 10, dysmorphism piece 11, ratchet 12 and third torsion spring 13, ratchet 7 is installed to the downside of pivot 42, be connected with leading truck 8 on the back support 2, the downside slidingtype of leading truck 8 is equipped with balladeur train 9, buckle 491 and balladeur train 9 cooperation, be connected with third spring 10 between balladeur train 9 and the leading truck 8, dysmorphism piece 11 is installed in the left side of balladeur train 9, ratchet 12 is installed to the rotation type on dysmorphism piece 11, ratchet 12 and ratchet 7 cooperation, be connected with third torsion spring 13 between ratchet 12 and the dysmorphism piece 11.
When the belt 43 is tied, the buckle 491 will contact with the carriage 9, so as to make the carriage 9 move downwards, so as to make the ratchet 12 move downwards to engage with the ratchet 7, when the rotating shaft 42 rotates reversely, the ratchet 7 drives the ratchet 12 to rotate, at this time, the third torsion spring 13 deforms, when the ratchet 12 enters the next lattice of the ratchet 7, the third torsion spring 13 restores to drive the ratchet 12 to restore, when the rotating shaft 42 rotates forwards, the ratchet 12 blocks the ratchet 7, so as to make the rotating shaft 42 not rotate any more, so as to make the belt 43 not elongate any more, thereby effectively controlling the student not to tilt forwards.
The above description is only an example of the present invention and is not intended to limit the present invention. All equivalents which come within the spirit of the invention are therefore intended to be embraced therein. Details not described herein are well within the skill of those in the art.
Claims (4)
1. A desk and chair with function of correcting and preventing sleepiness is characterized by comprising:
the backrest support (2) is rotatably arranged on the seat support (1);
a seat back (3) mounted on the back support (2);
a sitting posture correcting component (4) mounted on the seat backrest (3);
an anti-drowsing assembly (5) mounted on the seat back (3);
the sitting posture correcting component (4) comprises:
mounting plates (41) mounted on both sides of the seat back (3);
a rotating shaft (42) rotatably mounted between the two mounting plates (41);
a belt (43) mounted on the rotating shaft (42);
a first torsion spring (44) installed between the rotation shaft (42) and the mounting plate (41);
the first guide blocks (45) are arranged on two sides of the seat back (3), and the belt (43) is in sliding fit with the first guide blocks (45);
the fixture block (46) is slidably mounted on the first guide block (45) on one side;
a U-shaped block (47) mounted on the first guide block (45) at one side;
a first spring (48) installed between the U-shaped block (47) and the latch (46);
the pulling frame (49) is arranged on the clamping block (46), and the pulling frame (49) is in sliding fit with the U-shaped block (47);
a buckle (491) mounted on the belt (43);
the anti-drowsing assembly (5) comprises:
the limiting blocks (51) are arranged on two sides of the seat support (1);
gears (52) mounted on both sides of the backrest support (2);
a second torsion spring (53) installed between the gear (52) and the seat holder (1);
a fixing frame (54) installed at both sides of the seat support (1);
a second guide block (55) mounted on the fixed frame (54);
the rack (56) is slidably mounted on the second guide block (55), and the rack (56) is meshed with the gear (52);
a connecting rod (57) installed between the racks (56) on both sides;
a telescopic rod (58) mounted on the connecting rod (57);
the rubber ball (591) is arranged on the telescopic rod (58);
and the second spring (59) is arranged between the rubber ball (591) and the telescopic rod (58).
2. The desk and chair for correcting and preventing drowsiness according to claim 1, further comprising:
and the limiting handles (6) are arranged on two sides of the seat support (1).
3. The desk and chair for correcting and preventing drowsiness according to claim 2, further comprising:
the ratchet wheel (7) is arranged on the rotating shaft (42);
the guide frame (8) is arranged on the backrest bracket (2);
the sliding frame (9) is arranged on the guide frame (8) in a sliding way, and the buckle (491) is matched with the sliding frame (9);
a third spring (10) mounted between the carriage (9) and the guide frame (8);
a profile block (11) mounted on the carriage (9);
the ratchet (12) is rotatably arranged on the special-shaped block (11), and the ratchet (12) is matched with the ratchet wheel (7);
and a third torsion spring (13) installed between the ratchet (12) and the special-shaped block (11).
4. A desk and chair with anti-drowsiness correction according to claim 3 wherein the height of the seat support (1) is fifty cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010899902.9A CN111772344B (en) | 2020-08-31 | 2020-08-31 | Desk and chair with correcting and anti-drowsiness functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010899902.9A CN111772344B (en) | 2020-08-31 | 2020-08-31 | Desk and chair with correcting and anti-drowsiness functions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111772344A CN111772344A (en) | 2020-10-16 |
| CN111772344B true CN111772344B (en) | 2022-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010899902.9A Active CN111772344B (en) | 2020-08-31 | 2020-08-31 | Desk and chair with correcting and anti-drowsiness functions |
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| Country | Link |
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| CN (1) | CN111772344B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112385989B (en) * | 2020-11-18 | 2022-11-15 | 深圳市美斯顿家具有限公司 | Table and chair with freely adjustable height |
| CN112586889A (en) * | 2020-12-10 | 2021-04-02 | 滕明宽 | Desk and chair capable of preventing student from humpback |
| CN112690566B (en) * | 2021-01-04 | 2022-07-29 | 佛山市春辰家具有限公司 | Sitting posture correcting chair for students |
| CN114403594A (en) * | 2022-01-26 | 2022-04-29 | 黄士喜 | Desk capable of correcting posture |
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| CN207928089U (en) * | 2017-11-08 | 2018-10-02 | 江苏神华科教设备有限公司 | A kind of Middle school students ' learning myopia prevention chair |
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| CN208769199U (en) * | 2018-03-08 | 2019-04-23 | 大连理工大学 | Prompting chair is reminded and is slept long in sitting |
| CN208126621U (en) * | 2018-03-22 | 2018-11-20 | 陈浩霖 | A kind of adjusting mechanism of student |
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| CN108937155A (en) * | 2018-06-26 | 2018-12-07 | 宿州中和木业有限公司 | A kind of correcting sitting posture method |
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| CN210811810U (en) * | 2019-05-14 | 2020-06-23 | 上海硕米科技有限公司 | Braces for correcting body posture |
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|---|---|
| CN111772344A (en) | 2020-10-16 |
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