CN110432679B - Working control method of adjustable turnover seat for classroom - Google Patents
Working control method of adjustable turnover seat for classroom Download PDFInfo
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- CN110432679B CN110432679B CN201910813603.6A CN201910813603A CN110432679B CN 110432679 B CN110432679 B CN 110432679B CN 201910813603 A CN201910813603 A CN 201910813603A CN 110432679 B CN110432679 B CN 110432679B
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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
- A47C1/00—Chairs adapted for special purposes
- A47C1/12—Theatre, auditorium, or similar chairs
- A47C1/121—Theatre, auditorium, or similar chairs having tipping-up seats
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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
- A47C1/00—Chairs adapted for special purposes
- A47C1/12—Theatre, auditorium, or similar chairs
- A47C1/126—Theatre, auditorium, or similar chairs stowable in floor or wall
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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
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/20—Chairs or stools with vertically-adjustable seats
- A47C3/30—Chairs or stools with vertically-adjustable seats with vertically-acting fluid cylinder
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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
- A47C7/56—Parts or details of tipping-up chairs, e.g. of theatre chairs
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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
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- General Health & Medical Sciences (AREA)
- Special Chairs (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
A method of controlling operation of an adjustable flip chair for a classroom, the chair comprising: the automatic lifting device comprises two main support rods, a rear backup plate, a turnover bearing plate, two automatic lifting mechanisms and a bearing frame; the cross section of the main support rod is square, and the main support rod is divided into an upper part and a lower part, wherein the upper part is a rear backup plate mounting part, and the lower part is an automatic lifting mechanism mounting part; a first mounting notch is formed in the inner side face of the rear backup plate mounting part; a second mounting notch with a certain height is arranged on the front side surface of the base; the rear backrest mounting part is provided with a rear backrest mounting hole by taking the axis as a center line; the cross section of the rear backrest mounting hole is square, and sliding convex rails are machined on three side surfaces of the rear backrest mounting hole; the bearing frame is fixedly arranged on the lower side surface of the rear backup plate and comprises a main body and supporting arm mounting positions which are fixedly connected to two sides of the main body and are vertical to the front side surface of the main body; and the edges of two sides of the rear backup plate are provided with track profiles.
Description
Technical Field
The application is a divisional application of a Chinese patent application with an application number of 201710246449.X, which is filed on 2017, 4, month and 15 and is named as an adjustable turnover seat for a classroom.
Background
For a long time, people are always puzzled by the problem that people are inconvenient to get in and out due to the parallel fixed arrangement of tables and chairs in some public places. The multi-functional classroom of school, the ladder classroom, each department meeting place, the movie theater of sports culture department, public places such as gymnasium, because the aspect of the management with practice thrift the needs in space, often fix the chair side by side, and the people of seat in the inside need stand up with the people of row seat when passing in and out, this business turn over that just gives people has caused very big inconvenience, influence other people simultaneously, it is more far away from the pavement, the business turn over is just inconvenient more, especially the people furthest apart from the pavement, all personnel that will be on the seat of full row stand up just can pass through under the condition of stepping down, although the rear side of every row of seat in place has the space that must supply the people to pass through, for example: some courts have certain space between the rear side of every row of ladder-shaped side by side seat, some ladder classroom seats and back row desk, but present seat can't let the convenient passageway that gets into the seat rear of sitting in the middle part on.
In addition, because produce more walking spaces for the passageway, most upset seats with the rotation axis setting lean on the back relatively, such design for the overall structure intensity of upset seat is not high, and rigidity is not enough, promptly after long-time use, produces the downward sloping of loading board easily, the deformation of loading board promptly, makes people when taking, causes the gliding trend downwards, influences the use experience of person of taking.
In addition, for some large halls or large report halls and some large classrooms, when going to and fro, most people turn over the chair to turn over up and down, which easily causes large noise, affects the environment of the whole classroom and causes auditory stimulation.
In addition, the height of the loading plate and the rear backrest of the turnover seat for the classroom is fixed at present, and the comfort of people with different heights cannot be guaranteed.
Disclosure of Invention
The purpose of the invention is as follows: in view of the above situation, in order to overcome the existing problems in the background art, the present invention provides an adjustable turnover seat for classroom, which can effectively solve the problems related to the background art.
The technical scheme is as follows: a working control method of an adjustable turnover seat for a classroom comprises the following steps: the automatic lifting device comprises two main support rods, a rear backup plate, a turnover bearing plate, two automatic lifting mechanisms and a bearing frame; the cross section of the main support rod is square, and the main support rod is divided into an upper part and a lower part, wherein the upper part is a rear backup plate mounting part, and the lower part is an automatic lifting mechanism mounting part; wherein, a first mounting notch is processed on the inner side surface of the mounting part of the back rest plate; a second mounting notch with a certain height is arranged on the front side surface of the base; the rear backrest mounting part is provided with a rear backrest mounting hole by taking the axis as a center line; the cross section of the rear backrest mounting hole is square, and sliding convex rails are processed on three side surfaces of the rear backrest mounting hole; the bearing frame is fixedly arranged on the lower side surface of the rear backup plate and comprises a main body and supporting arm mounting positions which are fixedly connected to two sides of the main body and are vertical to the front side surface of the main body; the edges of two sides of the rear backrest plate are provided with track profiles; the cross section of the rail profile is square, and concave sliding rails are arranged on three side faces of the rail profile; the rear backup plate is also provided with a connecting rod mounting hole by taking the axis as the center; a connecting rod is arranged in the connecting rod mounting hole; an automatic lifting control device is arranged on the upper side surface of the rear backrest plate; the turnover loading plate comprises: the bearing plate body and the supporting arms are arranged on two sides; one end of each support arm is arranged on two sides of the bearing plate body through a rotating shaft, and the other end of each support arm is rotatably connected to the bearing frame through a support arm mounting position arranged on the front side surface of the main body of the bearing frame; the lower end of the automatic lifting mechanism is fixedly arranged in the automatic lifting mechanism mounting part of the main supporting rod, and the upper part of the automatic lifting mechanism is fixedly connected with the lower side surface of the bearing frame.
As a preferable mode of the present invention, the automatic lifting mechanism is a pneumatic support rod, and includes: a lower fixing part and an upper telescopic rod; wherein the lower fixing part is fixedly installed in the automatic lifting mechanism installation part of the main support rod; the upper end of the upper telescopic rod is fixedly provided with a connecting plate and a switch control guide rod; the lower side surface of the bearing frame is symmetrically provided with connecting plate mounting threaded holes and through holes by taking the axis as a central line; the connecting plate at the upper end of the upper telescopic rod is fixedly connected to the lower side surface of the bearing frame through threads; the switch control guide rod extends into the through hole formed in the bearing frame, and one end of the switch control guide rod is contacted with one end of the connecting rod.
In a preferred aspect of the present invention, the automatic elevation control device provided on the upper side surface of the reclining plate includes: the shell, the button and the button connecting rod; wherein the housing is provided with a connection part, a button connection rod mounting groove and a button mounting hole; the button connecting rod includes: a vertical rod, a cross rod and a return spring; the vertical rod is fixedly arranged in the middle of the cross rod through threads; the vertical rod is also provided with a limiting ring; one end of the reset spring is fixedly arranged on the limiting ring, and the other end of the reset spring is fixedly arranged at the lower end of the button mounting hole; the button is arranged at the front end of the vertical rod; two ends of the cross rod are in contact with the upper end face of the connecting rod.
As a preferred aspect of the present invention, the support arm mounting position of the carriage includes: the device comprises a connecting end, a mounting end and a limiting end; wherein the connecting end is provided with a threaded mounting hole; the two sides of the mounting end are provided with rotating shaft mounting holes, and the middle of the mounting end is provided with a through hole; the limiting end is an angle-adjustable limiting block.
As a preferred embodiment of the present invention, the present invention further comprises: a noise reduction spring; the silencing springs are arranged at two ends of a rotating shaft for connecting the supporting arms of the turnover seat with the bearing plate body, and two ends of the rotating shaft for connecting the supporting arms with the supporting arm mounting positions; the silencing springs are installed in pairs, and the compression and stretching directions of the silencing springs are opposite.
As a preferred mode of the present invention, the noise reduction spring is a coil spring, and the inner end of the noise reduction spring is fixedly mounted on the rotating shaft, and the outer end of the noise reduction spring is fixedly mounted in the rotating shaft mounting hole; the rotation damping of the silencing spring is smaller than the power for automatically overturning the overturning bearing plate.
As a preferable mode of the present invention, a rectangular receiving box is provided in a middle portion of an upper end of a rear side surface of the rear backup plate.
As a preferred mode of the invention, the supporting arm is connected with the bearing plate body through a rotating shaft, and the turnover angle of the bearing plate body is 0-90 degrees.
As a preferable mode of the present invention, an inward concave handle position is provided on one side of the housing of the automatic lifting control device provided on the upper side surface of the reclining plate.
Compared with the prior art, the invention can realize the following beneficial effects: the adjustable turnover seat for the classroom, provided by the invention, is provided with the bearing frame on the structural design, and the two ends of the bearing frame are provided with the supporting arm mounting positions, so that the turnover seat can be folded and turned twice, the space between the seats can be maximized, and a user can conveniently come in and go out; in addition, the bearing frame, the rear backup plate and the turnover bearing plate are connected together, and the lower end of the bearing frame is provided with an automatic lifting mechanism, so that the overall up-and-down position of the seat can be adjusted, and the seat is suitable for people with different heights to use; in addition, the silencing springs are arranged at the connecting parts of the rotating shafts of the turnover seat, and can play a certain buffering role during turnover, so that the noise is reduced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
FIG. 1 is a schematic view of an overall structure of an adjustable turnover seat for classroom;
FIG. 2 is a cross-sectional view of the main support bar provided by the present invention;
FIG. 3 is a front cross-sectional view of a back plate provided in accordance with the present invention;
FIG. 4 is a rear view of the present invention providing a rear backup plate;
FIG. 5 is a cross-sectional view of the present invention providing an automatic lifting device;
FIG. 6 is a schematic view of the present invention providing a carrier;
FIG. 7 is a schematic structural view of the tilting plate according to the present invention;
FIG. 8 is a schematic view of the present invention providing the mounting of the main support bar, the reclining board, and the carriage;
FIG. 9 is a schematic view of the present invention providing the installation of a noise dampening spring;
FIG. 10 is a schematic view of the present invention providing a flip seat in a reclined position;
FIG. 11 is a schematic view of the present invention in a single-turn position;
fig. 12 is a schematic view of the double-turnover seat of the present invention.
In the drawings
1 main supporting rod, 110 back rest board mounting part, 120 lifting mechanism mounting part, 111 first mounting notch, 112 second mounting notch, 113 back rest mounting hole, 114 sliding convex rail, 2 back rest board, 210 track profile, 211 concave sliding rail, 220 connecting rod mounting hole, 221 connecting rod, 230 automatic lifting control device, 231 shell, 232 button, 233 button connecting rod, 231-1 connecting part, 231-2 button connecting rod mounting groove, 231-3 button mounting hole, 231-4 concave handle position, 233-1 vertical rod, 233-2 cross rod, 233-3 reset spring, 233-4 spacing ring, 3 overturning bearing board, 310 bearing board body, 320 supporting arm, 4 automatic lifting mechanism, 410 lower fixing part, 420 upper telescopic rod, 421 connecting plate, 422 switch control guide rod, 5, 510 main body, the 520 supporting arm mounting position, the 530 connecting plate mounting threaded hole, the 540 through hole, the 521 connecting end, the 522 mounting end, the 523 limiting end, the 521-1 threaded mounting hole, the 6 silencing spring, the 610 rotating shaft, the 620 rotating shaft mounting hole and the 7 containing box.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1 to 12, fig. 1 is a schematic view illustrating an overall structure of an adjustable and turnable seat for classroom according to the present invention; FIG. 2 is a cross-sectional view of the main support bar provided by the present invention; FIG. 3 is a front cross-sectional view of a back plate provided in accordance with the present invention; FIG. 4 is a rear view of the present invention providing a rear backup plate; FIG. 5 is a cross-sectional view of the present invention providing an automatic lifting device; FIG. 6 is a schematic structural view of a carrier according to the present invention; FIG. 7 is a schematic structural view of the tilting plate according to the present invention; FIG. 8 is a schematic view of the present invention providing the mounting of the main support bar, the reclining board, and the carriage; FIG. 9 is a schematic view of the present invention providing the installation of a noise dampening spring; FIG. 10 is a schematic view of the present invention providing a flip seat in a reclined position; FIG. 11 is a schematic view of the present invention in a single-turn position; fig. 12 is a schematic view of the double-turnover seat of the present invention.
Specifically, the present embodiment provides a method for controlling the operation of an adjustable flip seat for a classroom, including: two main support rods 1, a back backrest plate 2 and an overturning bearing plate 3; it is characterized by also comprising: two automatic lifting mechanisms 4 and a bearing frame 5; the cross section of the main support rod 1 is square, and the main support rod is divided into an upper part and a lower part, wherein the upper part is a rear backup plate mounting part 110, and the lower part is an automatic lifting mechanism mounting part 120; wherein, a first mounting notch 111 is processed on the inner side surface of the back plate mounting part 110; a second mounting notch 112 with a certain height is arranged on the front side surface; a rear backrest mounting hole 113 is formed in the rear backrest mounting part 110 with the axis as a center line; the cross section of the rear backrest mounting hole 113 is square, and sliding convex rails 114 are processed on three side surfaces; the bearing frame 5 is fixedly arranged on the lower side surface of the rear back plate 2 and comprises a main body 510 and supporting arm mounting positions 520 which are fixedly connected to two sides of the main body and are vertical to the front side surface of the main body 510; the two side edges of the back backup plate 2 are provided with track profiles 210; the cross section of the rail profile 210 is square, and concave sliding rails 211 are arranged on three sides of the rail profile; the rear backup plate 2 is also provided with a connecting rod mounting hole 220 by taking the axis as the center; a connecting rod 221 is arranged in the connecting rod mounting hole 220; the upper side surface of the rear backup plate 2 is provided with an automatic lifting control device 230; the turning loading plate 3 includes: a loading plate body 310, and supporting arms 320 installed at both sides; one end of the supporting arm 320 is mounted on two sides of the loading plate body 310 through a rotating shaft, and the other end is rotatably connected to the loading frame 5 through a supporting arm mounting position 520 arranged on the front side surface of the main body 510 of the loading frame 5; the lower end of the automatic lifting mechanism 4 is fixedly installed in the automatic lifting mechanism installing part 120 of the main support bar 1, and the upper part is fixedly connected to the lower side surface of the bearing frame 5.
As a preferable mode of this embodiment, the automatic lifting mechanism 4 is a pneumatic support rod, and includes: a lower fixing part 410, an upper telescopic rod 420; wherein the lower fixing part 410 is fixedly installed in the automatic lifting mechanism installing part 120 of the main support bar 1; the upper end of the upper telescopic rod 420 is fixedly provided with a connecting plate 421 and a switch control guide rod 422; the lower side of the bearing frame 5 is symmetrically provided with a connecting plate mounting threaded hole 530 and a through hole 540 by taking the axis as a center line; wherein, the connecting plate 421 at the upper end of the upper telescopic rod 420 is fixedly connected to the lower side surface of the bearing frame 5 through screw threads; the switch control rod 422 extends into a through hole 540 of the carriage 5, and one end of the switch control rod is in contact with one end of the connecting rod 221.
As a preferable mode of the present embodiment, the automatic elevation control device 230 provided on the upper side surface of the back plate 2 includes: a housing 231, a button 232, a button connection rod 233; wherein the housing 231 is provided with a connection part 231-1, a button connection rod installation groove 231-2, and a button installation hole 231-3; the button connection bar 233 includes: a vertical rod 233-1, a horizontal rod 233-2 and a return spring 233-3; wherein, the vertical rod 233-1 is fixedly arranged at the middle part of the transverse rod 233-2 through threads; the vertical rod 233-1 is also provided with a limiting ring 233-4; one end of the reset spring 233-3 is fixedly arranged on the limit ring 233-4, and the other end is fixedly arranged at the lower end of the button mounting hole 231-3; the button 232 is mounted at the front end of the vertical rod 233-1; both ends of the crossbar 233-2 are in contact with the upper end surface of the connection bar 221.
As a preferable mode of this embodiment, the supporting arm mounting position 520 of the carriage 5 includes: a connecting end 521, a mounting end 522, and a limiting end 523; wherein the connecting end 521 is provided with a threaded mounting hole 521-1; the two sides of the mounting end 522 are provided with rotating shaft mounting holes 522-1, and the middle of the mounting end 522 is provided with a through hole; the limiting end 523 is an angle-adjustable limiting block.
As a preferred mode of this embodiment, the supporting arm 320 is pivotally connected to the supporting plate body 310, and the tilting angle of the supporting plate body 310 is 0-90 °.
In a preferred embodiment of the present invention, a concave handle position 231-4 is provided on the side of the housing 231 of the automatic lifting control device 230 provided on the upper side of the back plate 2.
Specifically, the adjustable turnover seat for the classroom provided by the embodiment mainly solves two problems of the existing turnover seat for the classroom, and one problem is that the existing turnover seat for the classroom is inconvenient to come in and go out; the second thing lies in solving current classroom and taking highly fixed with the upset seat, can't satisfy the not problem of different height crowds operation requirements.
For the first, the problem that the turnover seat for the existing classroom is inconvenient to come in and go out is solved; in this embodiment, the carrier 5 is fixedly mounted on the lower side of the back board 2, and includes a main body 510, and support arm mounting positions 520 fixedly connected to two sides of the main body and perpendicular to the front side of the main body 510; the support arm mounting position 520 of the carriage 5 includes: a connecting end 521, a mounting end 522, and a limiting end 523; wherein the connecting end 521 is provided with a threaded mounting hole 521-1; the two sides of the mounting end 522 are provided with rotating shaft mounting holes 522-1, and the middle of the mounting end 522 is provided with a through hole; the limiting end 523 is an angle-adjustable limiting block. The turning loading plate 3 includes: a loading plate body 310, and supporting arms 320 installed at both sides; one end of the support arm 320 is mounted on both sides of the loading plate body 310 through a rotating shaft, and the other end is rotatably connected to the loading frame 5 through a support arm mounting position 520 provided on the front side surface of the main body 510 of the loading frame 5; the lower end of the automatic lifting mechanism 4 is fixedly installed in the automatic lifting mechanism installing part 120 of the main support bar 1, and the upper part is fixedly connected to the lower side surface of the bearing frame 5.
Through the arrangement, the traditional supporting arm is changed into a front supporting arm and a rear supporting arm, one part is the supporting arm mounting position 520 which is connected to the bearing frame 5 and has a short length, and the other part is the supporting arm 320 which is mounted at the two sides of the bearing plate body 310; the essence is that when the turnover seat is turned over, the turnover of the turnover bearing plate 3 and the support arm 320 can be carried out twice, so that the effective access distance is further increased, and the access is facilitated.
And for the second, the problem that the use requirements of people with different heights cannot be met due to the fact that the sitting height of the turnover seat for the existing classroom is fixed is solved. In this embodiment, the cross section of the main support rod 1 is square, and is divided into an upper part and a lower part, wherein the upper part is a reclining plate mounting part 110, and the lower part is an automatic lifting mechanism mounting part 120; a first mounting notch 111 is formed on the inner side surface of the rear backup plate mounting portion 110; a second mounting notch 112 with a certain height is arranged on the front side surface; a rear backrest mounting hole 113 is formed in the rear backrest mounting part 110 with the axis as a center line; the cross section of the rear backrest mounting hole 113 is square, and sliding convex rails 114 are processed on three side surfaces; the two side edges of the back backup plate 2 are provided with track profiles 210; the cross section of the rail profile 210 is square, and concave sliding rails 211 are arranged on three sides of the rail profile; the rear backup plate 2 is also provided with a connecting rod mounting hole 220 by taking the axis as the center; a connecting rod 221 is arranged in the connecting rod mounting hole 220; the upper side surface of the rear backup plate 2 is provided with an automatic lifting control device 230; the lower end of the automatic lifting mechanism 4 is fixedly installed in the automatic lifting mechanism installation part 120 of the main support bar 1, and the upper part is fixedly connected to the lower side surface of the bearing frame 5. The automatic lifting control device 230 provided on the upper side of the back backup plate 2 includes: a housing 231, a button 232, a button connection rod 233; wherein the housing 231 is provided with a connection part 231-1, a button connection rod installation groove 231-2, and a button installation hole 231-3; the button connection bar 233 includes: a vertical rod 233-1, a cross rod 233-2 and a return spring 233-3; wherein, the vertical rod 233-1 is fixedly arranged at the middle part of the transverse rod 233-2 through threads; the vertical rod 233-1 is also provided with a limiting ring 233-4; one end of the reset spring 233-3 is fixedly arranged on the limit ring 233-4, and the other end is fixedly arranged at the lower end of the button mounting hole 231-3; the button 232 is mounted at the front end of the vertical rod 233-1; both ends of the cross bar 233-2 are in contact with the upper end surface of the connecting rod 221. Automatic elevating system 4 is pneumatic telescopic link, and it includes: a lower fixing part 410, an upper telescopic rod 420; wherein the lower fixing part 410 is fixedly installed in the automatic lifting mechanism installing part 120 of the main support bar 1; the upper end of the upper telescopic rod 420 is fixedly provided with a connecting plate 421 and a switch control guide rod 422; the lower side surface of the bearing frame 5 is symmetrically provided with connecting plate mounting threaded holes 530 and through holes 540 by taking the axis as a center line; wherein, the connecting plate 421 at the upper end of the upper telescopic rod 420 is fixedly connected to the lower side surface of the bearing frame 5 through a screw thread; the switch control rod 422 extends into a through hole 540 of the carriage 5, and one end of the switch control rod is in contact with one end of the connecting rod 221.
The working principle is that firstly, the automatic lifting mechanism 4 in the embodiment is selected to be an existing common pneumatic telescopic rod, and the carrying capacity is selected to be 20 Kg. Specifically, the work control method includes: when a user presses the button 232, the button connecting rod 233 moves downwards, wherein the cross bar 233-2 presses down the connecting rods 221 at both ends, and the other ends of the connecting rods 221 are connected to the switch control guide rods 422 of the pneumatic telescopic rod; namely, the connecting rod 221 presses down the switch control guide rod 422 of the pneumatic telescopic rod, and when the switch control guide rod 422 of the pneumatic telescopic rod is pressed down, the upper telescopic rod 420 of the pneumatic telescopic rod is in a freely adjustable state; it should be noted that the upper extension rod 420 of the pneumatic extension rod is fixedly connected with the carriage 5 through a connecting plate 421 disposed at the upper end, and the carriage 5 is fixedly mounted on the lower side surface of the rear back plate 2, so that the rear back plate 2, the carriage 5, and the upper extension rod 420 are fixedly connected together. Therefore, when the user presses the button 232, as can be seen from the above description, the telescopic rod 420 is in a free state, and the user can perform the function of adjusting the height and the height by pulling the back plate 2 upward or pressing the back plate 2 downward while pressing the button 232, and when the back plate 2 is adjusted to a certain position, the button 232 is released, and the telescopic rod 420 enters the locked state again, that is, the position of the back plate 2 is fixed.
It should be noted that, in order to facilitate the pulling action of the user, a concave handle position 231-4 is provided on the outer side of the housing 231 of the automatic lifting control device 230 on the back board 2.
Example two
Referring to fig. 1 to 12, fig. 1 is a schematic view illustrating an overall structure of an adjustable and turnable seat for classroom according to the present invention; FIG. 2 is a cross-sectional view of the main support bar provided by the present invention; FIG. 3 is a front cross-sectional view of a back plate provided in accordance with the present invention; FIG. 4 is a rear view of the present invention providing a rear backup plate; FIG. 5 is a cross-sectional view of the present invention providing an automatic lifting device; FIG. 6 is a schematic structural view of a carrier according to the present invention; FIG. 7 is a schematic structural view of the tilting plate according to the present invention; FIG. 8 is a schematic view of the present invention providing the mounting of the main support bar, the reclining board, and the carriage; FIG. 9 is a schematic view of the present invention providing the installation of a noise dampening spring; FIG. 10 is a schematic view of the present invention providing a flip seat in a reclined position; FIG. 11 is a schematic view of the present invention in a single-turn position; fig. 12 is a schematic view of the double-turnover seat of the present invention.
Specifically, the present embodiment provides an adjustable flip seat for classroom, which is similar to the embodiment as a whole, and the difference is that the adjustable flip seat further includes: a noise reduction spring 6; the silencing springs 6 are arranged at two ends of a rotating shaft for connecting the supporting arm 320 and the bearing plate body 310 of the turnover seat, and at two ends of the rotating shaft for connecting the supporting arm 320 and the supporting arm mounting position 520; the silencing springs 6 are installed in pairs, and the compression and extension directions of the silencing springs are opposite. The silencing spring 6 is a spiral spring, the inner end of the silencing spring is fixedly arranged on the rotating shaft 610, and the outer end of the silencing spring is fixedly arranged in the rotating shaft mounting hole 620; the rotation damping of the silencing spring 6 is smaller than the power for automatically overturning the overturning bearing plate 3.
The essence of the noise reduction spring is that the noise reduction spring 6 is installed at the connection position of each rotating shaft 610 of the flip seat, and the noise reduction spring 6 can play a certain buffering role during the flip operation, thereby reducing the noise.
In addition, a rectangular containing box is arranged in the middle of the upper end of the rear side face of the rear backup plate 2, so that students in the rear row can conveniently contain stationery such as pens.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the content of the present invention and implement the present invention accordingly, and not to limit the protection scope of the present invention accordingly. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (7)
1. A method of controlling the operation of an adjustable flip chair for a classroom, the chair comprising: two main supporting rods (1), a rear backup plate (2) and an overturning bearing plate (3); it is characterized by also comprising: two automatic lifting mechanisms (4) and a bearing frame (5); the cross section of the main support rod (1) is square, and the main support rod is divided into an upper part and a lower part, wherein the upper part is a rear backup plate mounting part (110), and the lower part is an automatic lifting mechanism mounting part (120); wherein, a first mounting notch (111) is processed on the inner side surface of the rear backup plate mounting part (110); a second mounting notch (112) with a certain height is arranged on the front side surface of the base; a rear backrest mounting hole (113) is machined in the rear backrest plate mounting part (110) by taking an axis as a center line; the cross section of the rear backrest mounting hole (113) is square, and sliding convex rails (114) are machined on three side surfaces; the bearing frame (5) is fixedly arranged on the lower side surface of the rear back plate (2) and comprises a main body (510) and supporting arm mounting positions (520) which are fixedly connected to the two sides of the main body and are vertical to the front side surface of the main body (510); the two side edges of the rear backup plate (2) are provided with track profiles (210); the cross section of the rail profile (210) is square, and concave sliding rails (211) are arranged on three side faces; the rear backup plate (2) is also provided with a connecting rod mounting hole (220) by taking the axis as the center; a connecting rod (221) is arranged in the connecting rod mounting hole (220); an automatic lifting control device (230) is arranged on the upper side surface of the rear backup plate (2); the tilting carrier plate (3) comprises: a bearing plate body (310) and supporting arms (320) arranged at two sides; one end of the supporting arm (320) is arranged at two sides of the bearing plate body (310) through a rotating shaft, and the other end of the supporting arm is rotatably connected to the bearing frame (5) through a supporting arm mounting position (520) arranged on the front side surface of the main body (510) of the bearing frame (5); the lower end of the automatic lifting mechanism (4) is fixedly arranged in an automatic lifting mechanism mounting part (120) of the main support rod (1), and the upper part of the automatic lifting mechanism is fixedly connected with the lower side surface of the bearing frame (5);
automatic elevating system (4) are pneumatic bracing piece, and it includes: a lower fixing part (410), an upper telescopic rod (420); wherein the lower fixing part (410) is fixedly installed in the automatic lifting mechanism installing part (120) of the main support bar (1); the upper end of the upper telescopic rod (420) is fixedly provided with a connecting plate (421) and a switch control guide rod (422); the lower side surface of the bearing frame (5) is symmetrically provided with connecting plate mounting threaded holes (530) and through holes (540) by taking the axis as a center line; wherein, a connecting plate (421) at the upper end of the upper telescopic rod (420) is fixedly connected to the lower side surface of the bearing frame (5) through threads; the switch control guide rod (422) extends into a through hole (540) arranged on the bearing frame (5), and one end of the switch control guide rod is contacted with one end of the connecting rod (221);
the automatic lifting control device (230) that side set up on back backup plate (2) includes: a shell (231), a button (232) and a button connecting rod (233); wherein the housing (231) is provided with a connection part (231-1), a button connection rod installation groove (231-2), and a button installation hole (231-3); the button connection lever (233) includes: a vertical rod (233-1), a cross rod (233-2) and a return spring (233-3); wherein the vertical rod (233-1) is fixedly arranged at the middle part of the cross rod (233-2) through threads; the vertical rod (233-1) is also provided with a limiting ring (233-4); one end of the reset spring (233-3) is fixedly arranged on the limiting ring (233-4), and the other end of the reset spring is fixedly arranged at the lower end of the button mounting hole (231-3); the button (232) is arranged at the front end of the vertical rod (233-1); two ends of the cross rod (233-2) are in contact with the upper end face of the connecting rod (221);
the work control method comprises the following steps: when a user presses a button (232), the button connecting rod (233) moves downwards, wherein a cross rod (233-2) presses down connecting rods (221) at two ends, the other end of the connecting rod (221) is connected to a switch control guide rod (422) of the pneumatic telescopic rod, the switch control guide rod (422) of the pneumatic telescopic rod is pressed down through the connecting rod (221), and when the switch control guide rod (422) of the pneumatic telescopic rod is pressed down, an upper telescopic rod (420) of the pneumatic telescopic rod is in a freely adjustable state; when the user presses button (232), because go up telescopic link (420) and be in free state, the user can be through going on upwards dragging back backup plate (2) or down pressing back backup plate (2) when pressing button (232), heighten the function of transferring down, when adjusting a certain position with back backup plate (2), unclamp button (232), go up telescopic link (420) and get into the lock-out condition again, make back backup plate (2) rigidity.
2. The operation control method of an adjustable flip chair for classroom as claimed in claim 1, wherein the support arm mounting position (520) of the carriage (5) comprises: a connecting end (521), a mounting end (522), and a limiting end (523); wherein the connecting end (521) is provided with a threaded mounting hole (521-1); rotating shaft mounting holes (522-1) are formed in the two sides of the mounting end (522), and a through hole is formed in the middle of the mounting end; the limiting end (523) is a limiting block with an adjustable angle.
3. The method as claimed in claim 1, further comprising: a noise reduction spring (6); the silencing springs (6) are arranged at two ends of a rotating shaft for connecting the support arms (320) of the turnover seat with the bearing plate body (310), and two ends of the rotating shaft for connecting the support arms (320) with the support arm mounting positions (520); the silencing springs (6) are installed in pairs, and the compression and stretching directions of the silencing springs are opposite.
4. The operation control method of an adjustable turnover seat for classroom as claimed in claim 3, wherein said noise reduction spring (6) is a coil spring, and its inner end is fixedly mounted on the rotating shaft (610) and its outer end is fixedly mounted in the rotating shaft mounting hole (620); the rotation damping of the silencing spring (6) is smaller than the power for automatically overturning the overturning bearing plate (3).
5. The operation control method of the adjustable turnover seat for classroom as claimed in claim 1, characterized in that the middle portion of the upper end of the rear side of said back plate (2) is provided with a rectangular containing box (7).
6. The operation control method of an adjustable tilting chair for classroom as claimed in claim 1, wherein said supporting arm (320) is pivotally connected to the loading plate body (310), and the tilting angle of the loading plate body (310) is 0-90 °.
7. The operation control method of the adjustable turnover seat for classroom according to claim 1, characterized in that the side of the shell (231) of the automatic lifting control device (230) installed on the upper side of the back plate (2) is installed with a concave handle position (231-4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910813603.6A CN110432679B (en) | 2017-04-15 | 2017-04-15 | Working control method of adjustable turnover seat for classroom |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910813603.6A CN110432679B (en) | 2017-04-15 | 2017-04-15 | Working control method of adjustable turnover seat for classroom |
| CN201710246449.XA CN106901531B (en) | 2017-04-15 | 2017-04-15 | A kind of adjustable tip-up set in classroom |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710246449.XA Division CN106901531B (en) | 2017-04-15 | 2017-04-15 | A kind of adjustable tip-up set in classroom |
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| CN110432679A CN110432679A (en) | 2019-11-12 |
| CN110432679B true CN110432679B (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710246449.XA Active CN106901531B (en) | 2017-04-15 | 2017-04-15 | A kind of adjustable tip-up set in classroom |
| CN201910813603.6A Active CN110432679B (en) | 2017-04-15 | 2017-04-15 | Working control method of adjustable turnover seat for classroom |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710246449.XA Active CN106901531B (en) | 2017-04-15 | 2017-04-15 | A kind of adjustable tip-up set in classroom |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108584814A (en) * | 2018-05-23 | 2018-09-28 | 潍坊学院 | A kind of power construction luggage carrier convenient for adjusting height |
| CN110881780A (en) * | 2019-12-16 | 2020-03-17 | 嘉善翔宇旅游用品有限公司 | Dual-purpose travel suitcase |
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| EP0995376A1 (en) * | 1998-10-22 | 2000-04-26 | Protoned B.V. | Chair with backrest |
| CN2456547Y (en) * | 2001-01-15 | 2001-10-31 | 北京南郊长城家具厂 | Tubular type hard rowed chairs |
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| Publication number | Publication date |
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| CN110432679A (en) | 2019-11-12 |
| CN106901531B (en) | 2019-11-29 |
| CN106901531A (en) | 2017-06-30 |
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Effective date of registration: 20220304 Address after: 510032 No. 2, West erheng Road, Dongxing Road, Chadong village, Dalong street, Panyu District, Guangzhou City, Guangdong Province Applicant after: Guangdong Jianfengchao Furniture Technology Co.,Ltd. Address before: 310000 Yuhang Tang Road, Xihu District, Hangzhou, Zhejiang 866 Applicant before: Duan Jianhui |
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