CN114403632A - Convenient-to-go-in and-out row chair for classroom - Google Patents
Convenient-to-go-in and-out row chair for classroom Download PDFInfo
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- CN114403632A CN114403632A CN202210084235.8A CN202210084235A CN114403632A CN 114403632 A CN114403632 A CN 114403632A CN 202210084235 A CN202210084235 A CN 202210084235A CN 114403632 A CN114403632 A CN 114403632A
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- 230000007246 mechanism Effects 0.000 claims abstract description 87
- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000002337 anti-port Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
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- 238000005096 rolling process Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/002—Chair or stool bases
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/62—Accessories for chairs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/62—Accessories for chairs
- A47C7/68—Arm-rest tables ; or back-rest tables
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention relates to a row chair, in particular to a row chair for a classroom, which is convenient to get in and out. The invention provides a row chair for classrooms, which can connect a plurality of row chairs, is convenient to install and orderly arranged and is convenient to get in and out. A row chair for classroom convenient to get in and out comprises: the number of the supporting rods is three; the upper parts of the three support rods are provided with backup plates; the upper parts of the three support rods are respectively rotatably provided with a transmission shaft, and the three backup plates are rotatably connected with the transmission shafts on the same side; the three transmission shafts are provided with cushions for students to sit on; and the connecting mechanisms for connecting the row chairs are arranged at the rear sides of the three backup plates. The connecting rods are connected through the bolts, so that the connecting rods are connected with the connecting plates, and the connecting plates are connected with the backup plates, so that the chairs in rows can be connected together, and the chairs in rows are orderly arranged and convenient to install.
Description
Technical Field
The invention relates to a row chair, in particular to a row chair for a classroom, which is convenient to get in and out.
Background
The rowed chairs are generally arranged in classrooms and used for students to sit at lectures and listen to the lectures, and are characterized in that the floor is gradually raised in a step shape, the farther the rowed chairs are away from the lecture platform, the higher the floor is, so that the tallied chairs are higher, students far away from the lecture platform and behind the seats can clearly see the blackboard and the lecture platform, and the sight of the students in the front row cannot be blocked.
Patent application CN213605367U, published as 20210706, discloses a classroom row chair convenient for entering and exiting, which comprises an installation mechanism, a fixing mechanism, an adjusting mechanism and a seat mechanism, wherein the adjusting mechanism is fixedly arranged above the installation mechanism, the seat mechanism is fixedly arranged above the installation mechanism, and the fixing mechanism is rotatably arranged in the seat mechanism; when a student enters and exits the desk panel designed by the invention, the student can slightly pull the first connecting rod and the second connecting rod, the first connecting rod can slide in the first sliding groove, the second connecting rod can slide in the second sliding groove, so that the desk panel can downwards rotate, and the student can conveniently enter and exit the desk panel. Although above-mentioned patent can carry out the chucking with the bedplate, when preventing that the student from getting up and the bedplate breaks away from the contact, the bedplate overturns rapidly and causes great noise, the row chair of above-mentioned patent is monomeric, and single row chair installation is inconvenient, and row chair arranges untidy, in disorder easily in the installation.
In view of the above problems, the row chairs for classrooms are provided, which can connect a plurality of row chairs, are convenient to install and are orderly arranged and convenient to get in and out.
Disclosure of Invention
In order to overcome the defects that the row chairs of the patent are single, the single row chair is inconvenient to install, and the row chairs are easy to arrange irregularly and messy in the installation process, the technical problem to be solved is as follows: the row chairs for the classroom can be connected together, are convenient to install and orderly arranged, and are convenient to get in and out.
The invention is technically characterized in that: a row chair for classroom convenient to get in and out comprises:
the number of the supporting rods is three;
the upper parts of the three support rods are provided with backup plates;
the upper parts of the three support rods are respectively rotatably provided with a transmission shaft, and the three backup plates are rotatably connected with the transmission shafts on the same side;
the three transmission shafts are provided with cushions for students to sit on;
the connecting mechanisms for connecting the chairs in rows are arranged at the rear sides of the three backup plates;
the three support rods are provided with clamping mechanisms for clamping the seat cushion, and the clamping mechanisms are matched with the three seat cushions;
and the limiting mechanisms are matched with the clamping mechanisms.
As a preferable aspect of the present invention, the connection mechanism includes:
the middle parts of the rear sides of the three backup plates are provided with connecting plates in a bolt connection mode;
the connecting rods are arranged on the rear sides of the three connecting plates, and two adjacent connecting rods are connected through bolts;
first supporting block, three connecting rod bottom all are equipped with first supporting block.
As a preferred technical solution of the present invention, the detent mechanism includes:
the left side and the right side of the three transmission shafts are provided with straight gears, and the number of the straight gears is six;
the six first torsion springs are respectively wound on the transmission shafts on the same side;
the rack rods are arranged at the upper parts of the three support rods in a sliding manner and are meshed with the two straight gears at the same side;
the clamping blocks are arranged in the middle of the tops of the three rack rods, and the three clamping blocks clamp the seat cushion on the same side.
As a preferred technical scheme of the invention, the limiting mechanism comprises:
the middle parts of the rear sides of the three support rods are provided with connecting frames;
the left side and the right side of each of the three connecting frames are provided with six limiting blocks;
the clamping rods are arranged in the six limiting blocks in a sliding manner, and the six clamping rods clamp the straight gears on the same side;
the return springs are arranged between the six clamping rods and the limiting blocks on the same side;
the lower parts of the six clamping rods are provided with wedge blocks;
the left side and the right side of the bottoms of the three rack rods are provided with wedge-shaped rods, and the six wedge-shaped blocks are in contact with the wedge-shaped rods on the same side.
As a preferable technical solution of the present invention, the present invention further includes an armrest mechanism, the armrest mechanism including:
the left side and the right side of the upper parts of the three support rods are provided with six knobs in a threaded manner;
the hand rest frame for placing two hands of students is rotatably arranged on the six knobs;
the left and right sides of the six backrest frames are provided with protective pads.
As a preferred technical solution of the present invention, the present invention further includes a placing mechanism, the placing mechanism includes:
the front side and the rear side of the outer side protection pad on the left side armrest frame of the three support rods are respectively provided with six support seats;
the inner side surfaces of the six supporting seats are respectively provided with a roller in a rotating mode;
place the board, all slidingtype is equipped with the board of placing that is used for placing books between two gyro wheels of homonymy, and three board of placing is located four protection pads tops of homonymy.
As a preferable technical solution of the present invention, the present invention further includes a dust prevention mechanism, the dust prevention mechanism including:
the left side and the right side of the middle parts of the three backup plates are provided with fixing rods;
the six fixed rods are provided with support frames;
the six support frames are respectively provided with a first adjusting rod in a rotating mode;
the six support frames are respectively provided with a second adjusting rod in a rotating mode;
folding canopy, two first regulation poles of homonymy all are equipped with folding canopy between the pole top with two second regulation poles of homonymy.
As a preferable technical solution of the present invention, the present invention further includes a collecting mechanism, the collecting mechanism including:
the left side and the right side of the lower parts of the three first supporting blocks are respectively provided with a second supporting block;
the first collecting frame is arranged between the two second supporting blocks on the same side;
the upper parts of the three first collecting frames are respectively and rotatably provided with a rotating shaft;
the three rotating shafts are provided with three protective plates which are in contact with the first collecting frame on the same side;
two second torsion springs are arranged between the three protection plates and the first collecting frame on the same side, the number of the second torsion springs is six, and the six second torsion springs are respectively wound on the rotating shafts on the same side;
the lower part all is equipped with the second collection frame in the second collection frame, the three first collection frame of slidingtype.
The beneficial effect after adopting above-mentioned technical scheme is: 1. the connecting rods are connected through the bolts, so that the connecting rods are connected with the connecting plates, and the connecting plates are connected with the backup plates, so that the chairs in rows can be connected together, and the chairs in rows are orderly arranged and convenient to install;
2. in a normal state, the cushion is clamped by the clamping block, the straight gear is clamped by the clamping rod, and meanwhile, the wedge-shaped block supports the wedge-shaped rod, so that the transmission shaft and the cushion cannot rotate randomly, students can sit on the cushion more stably, and the stability of the cushion is improved;
3. the placing plate is folded by rotating, so that the space of the placing plate is saved, the in-and-out space of students is increased, and the students can conveniently go in and out;
4. the student rotates the guard plate, and the guard plate does not block first collection frame, and the student just places rubbish in first collection frame, and rubbish falls to the second along first collection frame in collecting the frame, so alright collect rubbish, prevents that rubbish is in disorder subaerial in the classroom.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic perspective view of a second embodiment of the present invention.
Fig. 3 is a partial perspective view of the present invention.
Fig. 4 is a schematic perspective view of the connection mechanism of the present invention.
Fig. 5 is a perspective view of a portion of the connection mechanism of the present invention.
Fig. 6 is a schematic perspective view of the locking mechanism of the present invention.
Fig. 7 is a first partial cross-sectional view of the detent mechanism of the present invention.
Fig. 8 is a second partial cross-sectional view of the detent mechanism of the present invention.
Fig. 9 is a schematic perspective view of a first embodiment of the spacing mechanism of the present invention.
Fig. 10 is a schematic perspective view of a second spacing mechanism of the present invention.
Fig. 11 is a partial cross-sectional view of a spacing mechanism of the present invention.
Fig. 12 is a schematic perspective view of the armrest mechanism of the present invention.
Fig. 13 is a schematic perspective view of the placement mechanism of the present invention.
Fig. 14 is a partial cross-sectional view of the placement mechanism of the present invention.
Fig. 15 is a schematic perspective view of the dustproof mechanism of the present invention.
Fig. 16 is a perspective view of the collecting mechanism of the present invention.
FIG. 17 is a partial cross-sectional view of the collection mechanism of the present invention.
Labeled as: 1_ support bar, 2_ backup plate, 3_ transmission shaft, 4_ cushion, 5_ connection mechanism, 50_ connection plate, 51_ connection bar, 53_ first support block, 6_ detent mechanism, 60_ spur gear, 61_ first torsion spring, 62_ rack bar, 64_ detent block, 7_ limit mechanism, 70_ connection frame, 71_ limit block, 72_ detent bar, 73_ wedge block, 74_ wedge bar, 75 _ return spring, 8_ armrest mechanism, 80_ armrest frame, 81_ knob, 82_ protection pad, 9_ placement mechanism, 90_ support seat, 91_ roller, 92_ placement plate, 10_ dustproof mechanism, 100_ fixed bar, 101_ support frame, 102_ first adjustment bar, 103_ second adjustment bar, 104_ folding shed, 11_ collection mechanism, 110_ second support block, 111_ first collection frame, 112_ rotation shaft, 113_ protection plate, 114_ second torsion spring, 115_ second collection box.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
Example 1
A row chair for classrooms convenient to get in and out is disclosed, as shown in figures 1-11, comprising three support rods 1, a backup plate 2, a transmission shaft 3, a cushion 4, a connecting mechanism 5, a clamping mechanism 6 and a limiting mechanism 7, wherein the three support rods 1 are provided with the backup plate 2 on the upper part, the backup plate is used for the back of students and improves the comfort level, the transmission shaft 3 is arranged on the upper part of each of the three support rods 1 in a rotating mode, the three backup plates 2 are rotatably connected with the transmission shaft 3 on the same side, the cushion 4 is arranged on each of the three transmission shafts 3 and is used for the sitting of students and is convenient to listen and talk, the connecting mechanism 5 is arranged on the rear side of each of the three backup plates 2 and is used for connecting the row chair, the clamping mechanism 6 is arranged on each of the three support rods 1, the clamping mechanism 6 is matched with the three cushion 4 and is used for clamping the cushion 4 to prevent the students from sitting on the cushion 4, the cushion 4 is not stably supported, the limiting mechanism 7 is arranged on the rear side of each of the three support rods 1, the limiting mechanism 7 is matched with the clamping mechanism 6 and used for clamping the clamping mechanism 6, so that the seat cushion 4 is more stable.
As shown in fig. 1, fig. 2, fig. 4 and fig. 5, coupling mechanism 5 is including connecting plate 50, connecting rod 51 and first supporting block 53, connecting plate 50 is all installed through bolted connection's mode in the middle part of 2 rear sides of three backup plates, high durability and convenient installation, convenient to detach, three connecting plate 50 rear sides all are equipped with connecting rod 51, two adjacent connecting rods 51 all connect through the bolt, convenient assembling, convenient to detach, three connecting rod 51 bottom all is equipped with first supporting block 53, three first supporting block 53 and ground contact, make the bench more firm, the locating hole has all been opened to the three first supporting block 53 left and right sides, be used for people to install first supporting block 53 on the assigned position through the bolt, convenient to detach.
As shown in fig. 1, fig. 2, fig. 6, fig. 7 and fig. 8, the clamping mechanism 6 includes a spur gear 60, a first torsion spring 61, a rack bar 62 and a clamping block 64, the left and right sides of the three transmission shafts 3 are all connected with the spur gear 60 in a key manner, the number of the spur gears 60 is six, the six spur gears 60 and the support rod 1 on the same side are all provided with the first torsion spring 61, the six first torsion springs 61 are respectively wound on the transmission shafts 3 on the same side, the upper parts of the three support rods 1 are all provided with the rack bar 62 in a sliding manner, the three rack bar 62 is meshed with the two spur gears 60 on the same side, the middle of the top of the three rack bar 62 is provided with the clamping block 64, the three clamping blocks 64 clamp the seat cushion 4 on the same side, and prevent the seat cushion 4 from being unstable.
As shown in fig. 1, fig. 2, fig. 9, fig. 10 and fig. 11, the limiting mechanism 7 includes a connecting frame 70, limiting blocks 71, clamping rods 72, wedge-shaped blocks 73, wedge-shaped rods 74 and return springs 75, the connecting frame 70 is arranged in the middle of the rear side of each of the three support rods 1, the limiting blocks 71 are connected to the left side and the right side of each of the three connecting frames 70, the limiting blocks 71 are six in number, the clamping rods 72 are arranged in the six limiting blocks 71 in a sliding manner, the six clamping rods 72 clamp the spur gears 60 on the same side, the return springs 75 are arranged between the six clamping rods 72 and the limiting blocks 71 on the same side, the wedge-shaped blocks 73 are arranged on the lower portions of the six clamping rods 72, the wedge-shaped rods 74 are arranged on the left side and the right side of the bottom of each of the three rack rods 62, and the six wedge-shaped blocks 73 are in contact with the wedge-shaped rods 74 on the same side.
When a student needs to use the easy-to-access row chair for the classroom, the student firstly carries the row chair to a designated place, then the row chair is installed on the designated place through the positioning holes on the first supporting blocks 53 by using bolts, then the student connects and arranges the connecting rods 51 through the bolts, so that the connecting rods 51 are connected with the connecting plates 50, the connecting plates 50 are connected with the backup plate 2, the row chair is connected together and arranged orderly, meanwhile, the first supporting blocks 53 are contacted with the ground, the first supporting blocks 53 can play a role in fixing the row chair, the row chair is more stable, in a normal state, the cushion 4 is opened, the first torsion spring 61 is deformed, the clamping blocks 64 clamp the cushion 4, the cushion 4 can not rotate at will, meanwhile, the clamping rods 72 clamp the straight gear 60, the straight gear 60 can not rotate at will, and the transmission shaft 3 can not rotate at will, thereby the cushion 4 is more stable, at this moment, the student can sit on the cushion 4, after the student sits, the student can listen to the teacher for teaching, after the teaching operation is finished, the student stands up and is separated from the contact with the cushion 4, the student pulls the clamping rod 72 to move upwards along the limiting block 71, the return spring 75 is compressed, the clamping rod 72 is separated from the contact with the straight gear 60, meanwhile, the clamping rod 72 drives the wedge block 73 to move upwards, the wedge block 73 is separated from the contact with the wedge rod 74, under the reset action of the first torsion spring 61, the transmission shaft 3 drives the straight gear 60 to rotate, the straight gear 60 rotates and is in contact with the rack rod 62, thereby driving the rack rod 62 to move backwards, the rack rod 62 drives the clamping block 64 to move backwards, the clamping block 64 is separated from the contact with the cushion 4, at this moment, the transmission shaft 3 drives the cushion 4 to rotate and close, the rack rod 62 drives the wedge rod 74 to move backwards, the wedge rod 74 supports the wedge block 73, when a student needs to use the cushion 4, the student reversely rotates the cushion 4 to drive the transmission shaft 3 to reversely rotate, the transmission shaft 3 drives the straight gear 60 to reversely rotate, the first torsion spring 61 deforms, the straight gear 60 reversely rotates to be in contact with the rack rod 62, so that the rack rod 62 moves forwards, the rack rod 62 drives the fixture block 64 to move forwards, the fixture block 64 is in contact with the cushion 4, the fixture block 64 clamps the cushion 4, the cushion 4 cannot freely rotate, meanwhile, the rack rod 62 drives the wedge rod 74 to move forwards, the wedge rod 74 is separated from the wedge block 73, under the reset action of the return spring 75, the wedge block 72 drives the wedge block 73 to move downwards, the wedge block 73 is in contact with the wedge rod 74, and the wedge block 73 can support the wedge rod 74, the clamping rod 72 moves downwards to clamp the straight gear 60, the straight gear 60 cannot rotate randomly, and the transmission shaft 3 cannot rotate randomly, so that a student can sit on the cushion 4, when the student stands up to be separated from the cushion 4, the student pulls the clamping rod 72 to move upwards to be separated from the contact with the straight gear 60, the return spring 75 is compressed, the clamping rod 72 drives the wedge block 73 to move upwards, the wedge block 73 is separated from the contact with the wedge rod 74, then under the reset action of the first torsion spring 61, the transmission shaft 3 drives the cushion 4 to rotate and retract, the retracted cushion 4 saves space, the transmission shaft 3 drives the straight gear 60 to rotate, the straight gear 60 rotates to be contacted with the rack rod 62, the rack rod 62 moves backwards, the rack rod 62 drives the clamping block 64 to move backwards, the clamping block 64 is separated from the contact with the cushion 4, and finally the cushion 4 can be clamped, make cushion 4 difficult random rotation, cushion 4 can be more firm, and the student of being convenient for sits, can automize simultaneously and pack up cushion 4, saves space, the student of being convenient for business turn over.
Example 2
On the basis of embodiment 1, as shown in fig. 1, fig. 2 and fig. 12, still including armrest mechanism 8, armrest mechanism 8 is including armrest frame 80, knob 81 and protection pad 82, the equal screw thread formula in three bracing piece 1 upper portion left and right sides is equipped with knob 81, knob 81 is six in total, equal rotary type is equipped with armrest frame 80 on six knobs 81 for the student places both hands, six armrest frame 80 left and right sides all are equipped with protection pad 82, when the student places both hands on protection pad 82, protection pad 82 can improve the comfort level.
The student rotates knob 81 and bracing piece 1 and breaks away from the contact, then the student rotates backrest frame 80, backrest frame 80 drives the protection and fills up 82 and rotate, adjust backrest frame 80 to suitable angle after, the student just installs back on the bracing piece 1 knob 81, and the reverse rotation knob 81, knob 81 carries out the chucking with bracing piece 1, then the student just sits on cushion 4, student's both hands are taken on the protection and are filled up 82, can improve the comfort level through protection pad 82, finally alright realize the angle that can need according to the student, carry out angle regulation to backrest frame 80, be convenient for student's both hands take and put.
As shown in fig. 1, fig. 2, fig. 13 and fig. 14, the multifunctional protective cushion device further comprises a placing mechanism 9, the placing mechanism 9 comprises supporting seats 90, rollers 91 and placing plates 92, the supporting seats 90 are respectively arranged on the front side and the rear side of the outer protective cushion 82 on the left armrest frame 80 of the three supporting rods 1, the supporting seats 90 are six in total, the rollers 91 are rotatably arranged on the inner side surfaces of the six supporting seats 90, the placing plates 92 are slidably arranged between the two rollers 91 on the same side for placing books, and the three placing plates 92 are located above the four protective cushions 82 on the same side.
Under normal conditions, place board 92 and be located protection pad 82 top, place board 92 and block the student and sit, at this moment the student pulls and places board 92 and move along gyro wheel 91 left side, place board 92 and protection pad 82 and break away from the contact, will place after board 92 is putd aside, the student just rotates and places board 92, it drives gyro wheel 91 and rotates to place board 92 and rotate the in-process, place board 92 and rotate and pack up the back, alright save space, be convenient for the student to pass in and out, then the student just sits on cushion 4, after sitting, student's reverse rotation places board 92, place board 92 reversal in-process and drive gyro wheel 91 reversal, then the student promotes and places board 92 and move along gyro wheel 91 to the right side and reset, place board 92 and protection pad 82 contact, at this moment the student just places books above placing board 92, be convenient for the student to listen and talk to watch books, finally alright realization student is convenient for place the purpose of placing to the student.
As shown in fig. 1, fig. 2 and fig. 15, the utility model also comprises a dustproof mechanism 10, the dustproof mechanism 10 includes a fixed rod 100, a support frame 101, a first adjusting rod 102, a second adjusting rod 103 and a folding shed 104, the left and right sides of the middle part of the three backup plate 2 is all provided with the fixed rod 100, six fixed rods 100 are all provided with the support frame 101, six support frames 101 are all provided with the first adjusting rod 102 in a rotating manner, six support frames 101 are provided with the second adjusting rod 103 in an rotating manner, two first adjusting rods 102 on the same side and two second adjusting rods 103 on the same side are all provided with the folding shed 104 between the tops for shielding the row chair, and preventing dust from adhering to the row chair.
Under normal conditions, folding canopy 104 is open state, folding canopy 104 can block row chair, when making the ceiling in the classroom overhaul, folding canopy 104 can prevent that the dust from dropping on row chair, after the overhaul work is accomplished, the student rotates second regulation pole 103, second regulation pole 103 rotates to being close to first regulation pole 102, second regulation pole 103 rotates the in-process and drives folding canopy 104 rolling, at this moment folding canopy 104 just can not block row chair, the student alright just sit on cushion 4, when needs are opened folding canopy 104, student's reversal second regulation pole 103, second regulation pole 103 antiport keeps away from each other with first regulation pole 102, second regulation pole 103 antiport in-process drives folding canopy 104 and reverses and opens, so alright reach when the classroom ceiling needs to overhaul, shelter from row chair, prevent that the dust from falling on row chair.
As shown in fig. 2, 16 and 17, the collecting device 11 further includes a collecting mechanism 11, the collecting mechanism 11 includes second supporting blocks 110, first collecting frames 111, rotating shafts 112, protecting plates 113, second torsion springs 114 and second collecting frames 115, the second supporting blocks 110 are respectively disposed on the left and right sides of the lower portions of the three first supporting blocks 53, the first collecting frames 111 are respectively disposed between the two second supporting blocks 110 on the same side, the rotating shafts 112 are respectively disposed on the upper portions of the three first collecting frames 111 in a rotating manner, the protecting plates 113 are respectively disposed on the three rotating shafts 112, the three protecting plates 113 are in contact with the first collecting frames 111 on the same side, the two second torsion springs 114 are respectively disposed between the three protecting plates 113 and the first collecting frames 111 on the same side, the six second torsion springs 114 are respectively wound on the rotating shafts 112 on the same side, the second collecting frames 115 are respectively disposed on the lower portions of the three first collecting frames 111 in a sliding manner, the garbage collector is used for collecting garbage generated by students, and handles are arranged on the rear sides of the three second collecting frames 115 and used for the students to pull the handles to drive the second collecting frames 115 to move.
When a student generates garbage in a classroom, the student rotates the protection plate 113, the protection plate 113 drives the rotating shaft 112 to rotate, the second torsion spring 114 deforms, the protection plate 113 does not block the first collection frame 111 when rotating, the student puts the garbage into the first collection frame 111, the garbage falls into the second collection frame 115 along the first collection frame 111, when the student does not need to throw the garbage, the student does not apply force to the protection plate 113 any more, under the reset action of the second torsion spring 114, the protection plate 113 drives the rotating shaft 112 to reversely rotate and reset, after the garbage in the second collection frame 115 is fully collected, the student pulls the handle to drive the second collection frame 115 to move towards the rear side, the second collection frame 115 drives the collected garbage to move towards the rear side, and when the second collection frame 115 moves towards the rear side to be separated from the contact with the first collection frame 111, the student processes the garbage in the second collection frame 115, after the processing work is finished, the student installs the second collection frame 115 back into the first collection frame 111, and pushes the handle to drive the second collection frame 115 to move forward along the first collection frame 111 for resetting, so that the garbage generated by the student can be collected finally, and the garbage can be prevented from being scattered on the classroom ground.
While the disclosure has been described with respect to a limited number of embodiments, those skilled in the art, having benefit of this disclosure, will appreciate that various other embodiments can be devised which do not depart from the scope of the invention as disclosed herein. Accordingly, the scope of the invention should be limited only by the attached claims.
Claims (8)
1. A row chair for a classroom convenient to get in and out is characterized by comprising:
the number of the support rods (1) is three;
the upper parts of the three support rods (1) are provided with the backup plates (2);
the transmission shafts (3) are rotatably arranged at the upper parts of the three support rods (1), and the three backup plates (2) are rotatably connected with the transmission shafts (3) at the same side;
the three transmission shafts (3) are provided with the seat cushions (4) for seating students;
the connecting mechanisms (5) used for connecting the chairs in rows are arranged on the rear sides of the three backup plates (2);
the three support rods (1) are provided with clamping mechanisms (6) for clamping the seat cushions (4), and the clamping mechanisms (6) are matched with the three seat cushions (4);
the limiting mechanism (7) is arranged on the rear side of each of the three support rods (1) and used for clamping the clamping mechanism (6), and the limiting mechanism (7) is matched with the clamping mechanism (6).
2. An easy-to-access row chair for classrooms as claimed in claim 1, wherein the connecting mechanism (5) comprises:
the connecting plates (50) are arranged in the middle of the rear sides of the three backup plates (2) in a bolt connection mode;
the connecting rods (51) are arranged on the rear sides of the three connecting plates (50), and two adjacent connecting rods (51) are connected through bolts;
the bottom of the first supporting block (53) and the bottom of the three connecting rods (51) are provided with the first supporting block (53).
3. An easy-to-access row chair for classrooms as claimed in claim 2, wherein the blocking mechanism (6) comprises:
the left side and the right side of the three transmission shafts (3) are respectively provided with the straight gears (60), and the number of the straight gears (60) is six;
the first torsion springs (61) are arranged between the six straight gears (60) and the supporting rod (1) on the same side, and the six first torsion springs (61) are respectively wound on the transmission shafts (3) on the same side;
the rack rods (62) are arranged at the upper parts of the three support rods (1) in a sliding manner, and the three rack rods (62) are meshed with the two straight gears (60) on the same side;
the middle of the tops of the clamping blocks (64) and the three rack rods (62) are provided with the clamping blocks (64), and the three clamping blocks (64) clamp the seat cushion (4) on the same side.
4. An easy-to-access row chair for classrooms as claimed in claim 3, wherein the limiting mechanism (7) comprises:
the middle parts of the rear sides of the three support rods (1) are provided with connecting frames (70);
the left side and the right side of each of the three connecting frames (70) are provided with a limiting block (71), and the number of the limiting blocks (71) is six;
the six limiting blocks (71) are internally provided with clamping rods (72) in a sliding manner, and the six clamping rods (72) clamp the straight gears (60) on the same side;
the return springs (75) are arranged between the six clamping rods (72) and the limiting blocks (71) on the same side;
the lower parts of the wedge-shaped blocks (73) and the six clamping rods (72) are provided with the wedge-shaped blocks (73);
the left side and the right side of the bottoms of the wedge-shaped rods (74) and the three rack rods (62) are respectively provided with the wedge-shaped rods (74), and the six wedge-shaped blocks (73) are in contact with the wedge-shaped rods (74) on the same side.
5. An easy-to-access row chair for classrooms as claimed in claim 4, further comprising an arm rest mechanism (8), wherein the arm rest mechanism (8) comprises:
the left side and the right side of the upper parts of the three support rods (1) are provided with the knobs (81) in a threaded manner, and the number of the knobs (81) is six;
the arm rest frame (80) for placing two hands of a student is rotatably arranged on the arm rest frame (80) and the six knobs (81);
the left and right sides of the six hand rests (80) are provided with protective pads (82).
6. An easy-to-access row chair for classrooms as claimed in claim 5, further comprising a placement mechanism (9), the placement mechanism (9) comprising:
the front side and the rear side of an outer side protection pad (82) on a left side armrest frame (80) of the three support rods (1) are respectively provided with six support seats (90), and the number of the support seats (90) is six;
the inner side surfaces of the six supporting seats (90) are respectively and rotatably provided with the idler wheels (91);
the book storage device comprises a storage plate (92), wherein the storage plate (92) used for storing books is arranged between two rollers (91) on the same side in a sliding mode, and the three storage plates (92) are located above four protection pads (82) on the same side.
7. The easy-to-access row chair for classrooms as claimed in claim 6, further comprising a dust-proof mechanism (10), wherein the dust-proof mechanism (10) comprises:
the left side and the right side of the middle parts of the three backup plates (2) are respectively provided with a fixed rod (100);
the six fixing rods (100) are provided with supporting frames (101);
the six support frames (101) are respectively provided with a first adjusting rod (102) in a rotating mode;
the six support frames (101) are respectively provided with a second adjusting rod (103) in a rotating mode;
the foldable shed (104) is arranged between the tops of the two first adjusting rods (102) on the same side and the two second adjusting rods (103) on the same side.
8. An easy-to-access row chair for classrooms as claimed in claim 7, further comprising a collection mechanism (11), the collection mechanism (11) comprising:
the left side and the right side of the lower parts of the three first supporting blocks (53) are respectively provided with a second supporting block (110);
the first collecting frame (111) is arranged between the two second supporting blocks (110) on the same side;
the upper parts of the three first collecting frames (111) are respectively and rotatably provided with a rotating shaft (112);
the three rotating shafts (112) are respectively provided with a protection plate (113), and the three protection plates (113) are in contact with the first collecting frame (111) on the same side;
two second torsion springs (114) are arranged between the three protection plates (113) and the first collecting frame (111) on the same side, the number of the second torsion springs (114) is six, and the six second torsion springs (114) are respectively wound on the rotating shafts (112) on the same side;
the inner lower parts of the second collecting frames (115) and the three first collecting frames (111) are all provided with the second collecting frames (115) in a sliding way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210084235.8A CN114403632B (en) | 2022-01-25 | 2022-01-25 | Convenient classroom of business turn over is with row chair |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210084235.8A CN114403632B (en) | 2022-01-25 | 2022-01-25 | Convenient classroom of business turn over is with row chair |
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| CN114403632A true CN114403632A (en) | 2022-04-29 |
| CN114403632B CN114403632B (en) | 2023-12-22 |
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| CN202210084235.8A Active CN114403632B (en) | 2022-01-25 | 2022-01-25 | Convenient classroom of business turn over is with row chair |
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| Publication number | Publication date |
|---|---|
| CN114403632B (en) | 2023-12-22 |
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