CN201008450Y - Student tablet chair - Google Patents
Student tablet chair Download PDFInfo
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- CN201008450Y CN201008450Y CNU2007200048627U CN200720004862U CN201008450Y CN 201008450 Y CN201008450 Y CN 201008450Y CN U2007200048627 U CNU2007200048627 U CN U2007200048627U CN 200720004862 U CN200720004862 U CN 200720004862U CN 201008450 Y CN201008450 Y CN 201008450Y
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Abstract
The utility model relates to a student chair and consists of a chair backboard (1), a chair seat board (3), a chair supporting frame (2), and a supporting leg (7) connected with the seat board (3), wherein the chair supporting frame comprises a backswept supporting arm (14), a supporting arm (13) and a horizontal supporting arm (12) which generally position at the transverse middle position of the backs of the chair backboard and the chair seat board and connect together, and which are provided with a certain length; the supporting arm and the horizontal supporting arm make an acute angle A; the supporting arm and the backswept supporting arm make an obtuse angle B; the horizontal supporting arm connects with the chair seat board via a chair back traveling mechanism; the backswept supporting arm connects with the chair backboard via a chair back vertical shifting mechanism; one end of the supporting leg generally positions at the transverse middle position of the back of the chair seat board, and the other end contacts with the ground through at least three supporting feet. The utility model combines the features of horizontal adjustment and vertical adjustment of the chair back, and the adjustment of height of the chair seat, thus easing the sitting fatigue, moreover, the cost performance is high and the assembly is convenient.
Description
Technical field
The utility model relates to a kind of tablet chair, particularly a kind of chair for students with regulatory function.
Background technology
Tablet chair is the basic equipment in the educational institution, and student's health is had significant effects.The tablet chair that present large, medium and small school uses is made up of the chair back, chair seat board, two supporting legs and bending chair base supporting frame, the two ends of bending chair base supporting frame are fixed together with chair back plate, chair seat board respectively, and two supporting legs lay respectively at the left and right sides of seat support and are fixed together with it.In order to satisfy in the different requirement of same classroom middle school student's height and the functional dimension standard of tablet chair, be respectively equipped with the liftable governor motion in two supporting legs, promptly supporting leg is made up of anchor post and the lifting support that can do the lifting slip and be movably connected with it in anchor post.Its weak point is: one: not only chair back height is fixed in same classroom, and the relative distance between chair back plate and the chair seat board is also fixed, the shorter and smaller student of stature sits dark easy to be dark excessively like this, the back can not abut on the chair back fully when sitting down, its waist lacks ideal to be supported effectively, easily perk of both feet, sitting posture seem slack; And that the relatively fat student of stature sits is shallow deeply excessively, and it is unstable that the recoil of sitting down gets, and lacks the sense of security.Its two: the plate face of chair back plate is an arc-plane, chair back plate is connected to rigid the connection with bending chair base supporting frame, the back rest supports of chair back point is fixed like this, and the rotation statical moment that forms between the student's of different statures back rest supports point and the chair back stress point is different, in order to guarantee the intensity of the chair back, the requirement of strength of bending chair base supporting frame is than higher, and then increased the tablet chair production cost.Its three: existing supporting leg liftable governor motion be two parallel adjustment of guide rail, and when the height adjusting of carrying out seat support, two liftable governor motions are regulated respectively, and the chair seat board horizontal plane easily tilts, and fitting operation is not easy.
The utility model content
Technical problem to be solved in the utility model provides the strong chair for students of a kind of function of use, not only can satisfy the sitting posture requirement of different heights and fat or thin student in same classroom, and ratio of performance to price height, and is easy for installation.
The utility model chair for students comprises chair back plate, chair seat board and chair bearing support and the supporting leg that is connected with chair seat board.Wherein: the chair bearing support is by being positioned at chair back plate and chair seat board back side lateral mid-point substantially and rear-inclined support arm, support arm and the horizontal support arms with certain-length that be connected as a single entity constitutes, support arm and horizontal support arms acutangulate A, support arm becomes obtuse angle B with the rear-inclined support arm, and horizontal support arms links together by chair back translation mechanism and chair seat board, and the rear-inclined support arm links together by chair back vertical movement mechanism and chair back plate; Described supporting leg is one, and an end is positioned at chair seat board back side lateral mid-point substantially, and the other end contacts with ground by at least three feets.
The length of above-mentioned rear-inclined support arm is 150～160mm, and support arm length is 210～230mm, and the horizontal support arm lengths is 220～240mm; Acute angle A is 65 °～85 °, and obtuse angle B is 140 °～160 °;
Above-mentioned chair back translation mechanism comprises binding, fastening bolt and the seat support pallet that is connected with chair seat board, the cross section of this seat support pallet is evagination bending shape plane, and to acutangulate C be 0 °～4 ° its baseplane and its both wings plane, be positioned at seat support pallet inboard be provided with axial symmetric arrangement and with two guide-track grooves that the seat support pallet is fixed together, be provided with the positioning bolt hole that is positioned on the seat support pallet between two guide-track grooves; On the arm body of the end of horizontal support arms, be provided with and the corresponding chute hole of positioning bolt hole, horizontal support arms movably is inserted in two guide-track grooves, fastening bolt passes seat support pallet positioning bolt hole, horizontal support arms chute hole successively, and its end is arranged in the binding.
Above-mentioned chair back vertical movement mechanism comprises binding, fastening bolt and the chair back pallet that is connected with chair back plate, the transversal section of this chair back pallet is evagination bending shape plane, be positioned at chair back pallet inboard be provided with axial symmetric arrangement and with two guide-track grooves that chair back pallet is fixed together, be provided with the positioning bolt hole that is positioned on the chair back pallet between two guide-track grooves; On the arm body of the end of rear-inclined support arm, be provided with and the corresponding chute hole of positioning bolt hole, the rear-inclined support arm movably is arranged in two guide-track grooves, fastening bolt passes chair back pallet positioning bolt hole, rear-inclined support arm chute hole successively, and its end is arranged in the binding.
As the improvement of the utility model chair for students, wherein: be provided with on the arm body of horizontal support arms and move horizontally rule, this scale that moves horizontally rule is positioned at the back side of chair seat board; On the arm body of rear-inclined support arm, be provided with vertical mobile rule, the scale of this vertical mobile rule is positioned at the back side of chair back plate, fastening bolt is a hexagon socket head cap screw, and is respectively equipped with decorative mat between the outer surface of the nut of the nut of fastening bolt and seat support pallet or fastening bolt and chair back pallet.
Further improvement as the utility model chair for students, wherein: the plate face of chair back plate is trapezoidal outer convex surface, its subsequent corrosion R530～R570mm, and the last base of its trapezoidal outer convex surface and bottom are recessed camber line shape, radius of curvature R 220～R270mm in base on it, bottom radius of curvature R 270～R320mm, and its each limit is by radius R 55～R80
The easement curve of mm interconnects.
The plate face of chair seat board is trapezoidal indent abnormal curved surface, two side central plane upwarps radius R 25～R35mm, and rear upwarps radius R 300～R320mm, limit, rear portion radius of curvature R 750～R810mm, anterior face is provided with the bending edges of downward bending, the radius bend R30 of its bending edges～R40mm.
Further improvement as the utility model chair for students, wherein: the last base of chair back plate and bottom are respectively equipped with the last bending edges and the following bending edges of outside bending, the radius bend R30 of bending edges～R40mm on it, the radius bend R90 of following bending edges～R110mm.
As further improving again of the utility model chair for students, wherein: the adjacent at supporting leg and chair seat board also is provided with the seat support lifting regulating mechanism that is connected with chair seat board, this seat support lifting regulating mechanism comprises binding, fastening bolt and a lifting support that slides and be equipped with supporting leg, on the leg wall of supporting leg, be provided with positioning bolt hole, on lifting support, be provided with and the corresponding chute hole of positioning bolt hole, fastening bolt passes the supporting leg positioning bolt hole respectively, lifting support is sliding. and slotted eye, its end is arranged in the binding.
Be provided with the vertical lift rule on the cartridge outer surface of lifting support, fastening bolt is a hexagon socket head cap screw, and is provided with decorative mat between the outer surface of the nut of fastening bolt and supporting leg.
Also be provided with the guiding slide cartridge in the supporting leg end, the inner tube wall of this guiding slide cartridge matches with the outer post jamb of lifting support, also is provided with guide runner in the lifting support end, and the outer wall of this guide runner matches with the leg inwall of supporting leg.
Chair for students described in the utility model has following advantage and effect:
1. employing said structure, owing on the chair bearing support, be provided with chair back translation mechanism, this chair back translation mechanism can make the chair back move in the horizontal direction, promptly according to student figure height and fat or thin different adjustment chair back plate and the horizontal range between the chair seat board, thereby not only can satisfy the best sitting posture requirement of " sitting posture be upper body and horizontal plane at an angle of 90 ", and chair back plate is to the appropriateness support of waist, make student's waist muscle active force be in minimum state, the student has comfort sense, helps the healthy of student.
2. employing said structure, owing on the chair bearing support, be provided with chair back vertical movement mechanism, this chair back vertical movement mechanism can make the chair back move in vertical direction, promptly according to the highly different flexible modulation of carrying out chair back plate back rest supports point of each student's waist support, chair back plate was enlarged effective supporting surface of waist, chair back plate is balance support student's waist and back all the time, saves the energy of muscle of back, and the student has comfort sense; Reduced requirement of strength again to a certain extent, thereby reduced the production cost of the utility model chair for students, improved its ratio of performance to price the chair bearing support.
3. employing said structure moves horizontally rule and vertical mobile rule owing to be provided with respectively, so carrying out that above-mentioned chair back plate moves horizontally or vertically can adjust easily according to actual conditions when mobile.Because fastening bolt is selected the hexagon socket head cap screw that is difficult for being disassembled for use, and is provided with the decorative mat with defencive function outside its nut, so can prevent effectively that people from will dismantling.
4. employing said structure, owing to chair back plate is designed to the trapezoidal curved surface of subsequent corrosion R530～R570mm, this trapezoidal curved surface the back figure during not only with people's sitting posture match, and a kind of aesthetic feeling of people and parcel sense are given in the shape-designing of the camber line of going to the bottom of the last base camber line of its contraction and amplification again, thereby further save the energy of muscle of back, the student has comfort sense.
5. employing said structure, because chair seat board is designed to trapezoidal indent abnormal curved surface, the buttocks figure during with human body sitting posture is close for the trapezoidal curved surface of this abnormity, that is: the centre of chair seat board is the plane, both sides are upturned, and can wrap up buttocks, reduce the expansion of buttocks muscles; Because the anterior face at chair seat board is provided with and the curved bending edges that matches of leg, when people sat attitude, this bending edges relied on sense can for one of shank.
6. employing said structure, the bending edges chair back plate not only makes the chair back plate overall appearance, and the seamlessly transitting the edge and can not produce sharp protrusion of base and bottom on it, causes the injury to human body, and security improves.
7. the employing said structure owing to only be provided with a seat support lifting regulating mechanism, so can regulate the lift adjustment that lifting support carries out seat height according to actual conditions, is regulated flexibly, and is easy to operate.
In a word, the utility model chair for students is fashionable, integrate chair back translation adjustment, vertically adjust and seat height is adjusted multiple regulatory function, take into full account reasonability, the science of human body contact site, not only can satisfy the sitting posture requirement of different stature students in same classroom, the muscle of back energy consumes little, reach the regulation of " chair back is bearing in the position, back under the angulus inferior scapulae " in the standard " student levies the seat functional dimension ", and alleviate " sitting tired " to a certain extent, be of value to student's physiology and mental health.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment that the utility model student levies seat is described further.
Fig. 1 is the structural representation that the utility model student levies seat;
Fig. 2 is a chair branching bolster structure schematic diagram among Fig. 1;
Fig. 3 is a chair back translation mechanism structural representation among Fig. 1;
Fig. 4 is the upward view of Fig. 3;
Fig. 5 is the left view of Fig. 3;
Fig. 6 is a chair back vertical movement mechanism structural representation among Fig. 1;
Fig. 7 is the upward view of Fig. 6;
Fig. 8 is a chair back plate structural representation among Fig. 1;
Fig. 9 is the vertical view of Fig. 8;
Figure 10 is the side sectional view of Fig. 8;
Figure 11 is a chair seat board structural representation among Fig. 1;
Figure 12 is the vertical view of Figure 11;
Figure 13 is the side sectional view of Figure 11;
Figure 14 is a seat support lifting regulating mechanism structural representation among Fig. 1;
Wherein: 1 chair back plate; 2 chair bearing supports; 3 chair seat boards; 4 seat support pallets; 5 lifting support chute holes; 6 decorative mats; 7 supporting legs; 8 feets; 9 lifting supports; 10 vertical lift rules; 11 decorative mats; 12 horizontal support arms; 13 support arms; 14 rear-inclined support arms; 15 decorative mats; 16 chair back pallets; 17 rear-inclined support arm chute holes; 18 chute holes; 19 fastening bolts; 20 move horizontally rule; 21 seat support pallet both wings; 22 guide-track grooves; 23 bindings; 24 positioning bolt holes; 25 fastening bolts; 26 vertical mobile rules; 27 chair back pallet positioning bolt holes; 28 bindings; 29 guide-track grooves; 30 chair back pallet both wings; Base on 31; 32 bottoms; Bending edges on 33; 34 times bending edges; 35 rears; 36 side central planes; 37 anterior faces; Limit, 38 rear portion; 39 bending edges; 40 fastening bolts; 41 positioning bolt holes; 42 bindings; 43 guide runners; 44 guiding slide cartridges.
The specific embodiment
By shown in Figure 1, the utility model chair for students comprises chair back plate 1, chair seat board 3 and chair bearing support 2 and the supporting leg 7 that is connected with chair seat board 3.Wherein: chair bearing support 2 is made of the rear-inclined support arm 14, support arm 13 and the horizontal support arms 12 that are positioned at chair back plate 1 and chair seat board 3 back side lateral mid-point substantially and have a certain-length; Rear-inclined support arm 14, support arm 13 and horizontal support arms 12 are connected as a single entity, included angle A between support arm 13 and the horizontal support arms 12 acutangulates 65 °～85 °, support arm 13 becomes 140 °～160 ° at obtuse angle with included angle B between the rear-inclined support arm 14, as shown in Figure 2.Different according to large, medium and small school tablet chair kind and model, the length of rear-inclined support arm 14 is 150～160mm, and support arm 13 length are 210～230mm, and horizontal support arms 12 length are 220～240mm.Simultaneously in order to make the utility model chair for students have multiple regulatory function, reduction is to the requirement of strength of chair bearing support, horizontal support arms 12 links together by chair back translation mechanism and chair seat board 3, rear-inclined support arm 14 links together by chair back vertical movement mechanism and chair back plate 1, also is provided with the seat support lifting regulating mechanism that is connected with chair seat board 3 at the adjacent of supporting leg 7 and chair seat board 3.
Supporting leg 7 is one, and an end is positioned at chair seat board 3 back side lateral mid-point substantially, and the other end contacts with ground by at least three feets 8; According to actual conditions, feet 8 also can be five or six.
Shown in Fig. 3,4,5, chair back translation mechanism comprises binding 23, fastening bolt 19 and the seat support pallet 4 that is connected with chair seat board 3.The cross section of this seat support pallet 4 is evagination bending shape plane, and the angle C between seat support pallet 4 baseplanes and seat support pallet both wings 21 planes acutangulates 0 °～4 °, that is: the front end height of seat support pallet both wings 21 upright groups is greater than the rear end height, it is sweptback making the plane at seat support pallet both wings 21 places, thereby has structurally promptly guaranteed the requirement of " chair seat board 3 faces should have a down dip backward " in the standard " student levies the seat functional dimension "; Certainly, the plane at seat support pallet both wings 21 places also can be horizontal plane, but when chair seat board 3 is installed pad should be set in addition, guarantee chair seat board 3 towards after certain angle that has a down dip.Be positioned at 22, two guide-track grooves of two guide-track grooves 22 that seat support pallet 4 inboards are provided with axial symmetric arrangement and be fixed together, be provided with the positioning bolt hole 24 that is positioned on the seat support pallet 4 between two guide-track grooves 22 with seat support pallet 4; The end of horizontal support arms 12 movably is inserted in two guide-track grooves 22, and on its end arm body, be provided with and positioning bolt hole 24 corresponding chute holes 18, fastening bolt 19 passes seat support pallet positioning bolt hole 24, horizontal support arms chute hole 18 successively, and its end is arranged in the binding 23.
In like manner, chair back vertical movement mechanism comprises binding 28, fastening bolt 25 and the chair back pallet 16 that is connected with chair back plate 1.The transversal section of this chair back pallet 16 is evagination bending shape plane, be positioned at two guide-track grooves 29 that chair back pallet 16 inboards are provided with axial symmetric arrangement, two guide-track grooves 29 are fixed together with chair back pallet 16, are provided with the positioning bolt hole 27 that is positioned on the chair back pallet 16 between two guide-track grooves 29; The end of rear-inclined support arm 14 movably is arranged in two guide-track grooves 29, and on its end arm body, be provided with and positioning bolt hole 27 corresponding chute holes 17, fastening bolt 25 passes chair back pallet positioning bolt hole 27, rear-inclined support arm chute hole 17 respectively, its end is arranged in the binding 28, shown in Fig. 6,7.
In like manner, the seat support lifting regulating mechanism comprises binding 42, fastening bolt 40 and a lifting support 9 that slides and be equipped with mutually with supporting leg 7, on the leg wall of supporting leg 7, be provided with positioning bolt hole 41, on lifting support 9, be provided with and positioning bolt hole 41 corresponding chute holes 5, fastening bolt 40 passes supporting leg positioning bolt hole 40 respectively, lifting support chute hole 5, its end is arranged in the binding 42, slide more steady in order to make the relative lifting of lifting support 9 in supporting leg 7, also be provided with guiding slide cartridge 44 in supporting leg 7 ends, the inner tube wall of this guiding slide cartridge 44 matches with the outer post jamb of lifting support 9, be provided with guide runner 43 in lifting support 9 ends, the outer wall of this guide runner 43 matches with the leg inwall of supporting leg 7, as shown in figure 14.
In order to make adjustment more accurate, on the arm body of horizontal support arms 12, be provided with and move horizontally rule 20, this scale that moves horizontally rule 20 is positioned at the back side of chair seat board 3; Be provided with vertical mobile rule 26 on the arm body of rear-inclined support arm 14, the scale of this vertical mobile rule 26 is positioned at the back side of chair back plate 1; On the cartridge outer surface of lifting support 9, be provided with vertical lift rule 10.
In order to prevent careless dismounting, fastening bolt 19, fastening bolt 25 and fastening bolt 40 are selected hexagon socket head cap screw for use, and between the outer surface of the nut of fastening bolt 19 and seat support pallet 4, decorative mat 11 is set respectively, or between the outer surface of the nut of fastening bolt 25 and chair back pallet 16 decorative mat 15 is set, or between the arm external surface of fastening bolt 40 and supporting leg 7 decorative mat 6 is set.
Shown in Fig. 8,9, the plate face of chair back plate 1 is trapezoidal outer convex surface, its subsequent corrosion R530～R570mm, and the last base 31 of its trapezoidal outer convex surface and bottom 32 are recessed camber line shape, 31 radius of curvature R, 200～R250mm in base on it, bottom 32 radius of curvature R, 250～R300mm, and the easement curve of its each limit by radius R 55～R80mm interconnects; The last base 31 of chair back plate 1 and bottom 32 are respectively equipped with the last bending edges 33 and the following bending edges 34 of outside bending, the radius bend R30 of bending edges 33～R40mm on it, and the radius bend R90 of following bending edges 34～R110mm, as shown in Figure 9.
Shown in Figure 11,12, the plate face of chair seat board 3 is trapezoidal indent abnormal curved surface, two side central plane 36 upwarps radius R 25～R35mm, rear 35 upwarps radius R 300～R320mm, limit, rear portion 38 radius of curvature R, 750～R810mm, anterior face 37 is provided with the bending edges 39 of downward bending, the radius bend R30 of its bending edges 39～R40mm, as shown in figure 13.
During installation, chair back translation mechanism---will be welded together with lifting support 9 with the seat support pallet 4 of guide-track groove 22 earlier, horizontal support arms in the chair bearing support 2 12 and binding 23 are inserted in the chute of guide-track groove 22, then fastening bolt 19 is penetrated successively decorative mat 11 and screw in to screw in the binding 28 and get final product, by bolt the both wings 21 of chair seat board 3 with seat support pallet 4 are linked together again through seat support pallet positioning bolt hole 24, horizontal support arms chute hole 18 its ends.
In like manner chair back vertical movement mechanism---elder generation is welded together guide-track groove 29 and chair back pallet 16, rear-inclined support arm 14 in the chair bearing support 2 and binding 28 are inserted in the chute of guide-track groove 29, again fastening bolt 25 is penetrated successively decorative mat 15 and screw in to screw in the binding 23 and get final product, by bolt the both wings 30 of chair back plate 1 with chair back pallet 16 are linked together again through chair back pallet positioning bolt hole 27, rear-inclined support arm chute hole 17 its ends.
Seat support lifting regulating mechanism in like manner---earlier binding 42 is put into chute hole 5 on the lifting support 9 by the installation site, guiding slide cartridge 44 is inserted in lifting support 9, and guide runner 43 embeds on the end of lifting supports 9; Lifting support 9 axially pushes in the supporting leg 7 then, and the slide cartridge 44 that will lead glide to embed along lifting support 9 post jambs and is fixed on the end of supporting leg 7, and fastening bolt 40 penetrates decorative mat 6 successively and screws in to screw in bindings 42 and get final product through supporting leg positioning bolt hole 41, lifting support chute hole 5 its ends.
Claims (9)
1. chair for students, comprise chair back plate (1), chair seat board (3) reaches the supporting leg (7) that is connected with chair seat board (3) with chair bearing support (2), it is characterized in that: described chair bearing support (2) is by being positioned at chair back plate (1) and chair seat board (3) back side lateral mid-point substantially, and the rear-inclined support arm (14) that is connected as a single entity and has certain-length, support arm (13) and horizontal support arms (12) constitute, support arm (13) acutangulates A with horizontal support arms (12), support arm (13) becomes obtuse angle B with rear-inclined support arm (14), and horizontal support arms (12) links together by chair back translation mechanism and chair seat board (3), and rear-inclined support arm (14) links together by chair back vertical movement mechanism and chair back plate (1); Described supporting leg (7) is one, and an end is positioned at chair seat board (3) back side lateral mid-point substantially, and the other end contacts with ground by at least three feets (8).
2. chair for students according to claim 1 is characterized in that: the length of described rear-inclined support arm (14) is 150～160mm, and support arm (13) length is 210～230mm, and horizontal support arms (12) length is 220～240mm; Described acute angle A is 65 °～85 °, and obtuse angle B is 140 °～160 °;
Described chair back translation mechanism comprises binding (23), fastening bolt (19) and the seat support pallet (4) that is connected with chair seat board (3), the cross section of this seat support pallet (4) is evagination bending shape plane, and to acutangulate C be 0 °～4 ° its baseplane and its both wings (21) plane, be positioned at seat support pallet (4) inboard and be provided with axial symmetric arrangement, and two guide-track grooves (22) that are fixed together with seat support pallet (4), be provided with the positioning bolt hole (24) that is positioned on the seat support pallet (4) between two guide-track grooves (22), on the arm body of the end of described horizontal support arms (12), be provided with and the corresponding chute hole of positioning bolt hole (24) (18), horizontal support arms (12) movably is inserted in two guide-track grooves (22), described fastening bolt (19) passes seat support pallet positioning bolt hole (24) successively, horizontal support arms chute hole (18), its end are arranged in the binding (23);
Described chair back vertical movement mechanism comprises binding (28), fastening bolt (25) and the chair back pallet (16) that is connected with chair back plate (1), the transversal section of this chair back pallet (16) is evagination bending shape plane, be positioned at chair back pallet (16) inboard and be provided with axial symmetric arrangement, and two guide-track grooves (29) that are fixed together with chair back pallet (16), be provided with the positioning bolt hole (27) that is positioned on the chair back pallet (16) between two guide-track grooves (29), on the arm body of the end of described rear-inclined support arm (14), be provided with and the corresponding chute hole of positioning bolt hole (27) (17), rear-inclined support arm (14) movably is arranged in two guide-track grooves (29), fastening bolt (25) passes chair back pallet positioning bolt hole (27) successively, rear-inclined support arm chute hole (17), its end are arranged in the binding (28).
3. chair for students according to claim 2, it is characterized in that: on the arm body of described horizontal support arms (12), be provided with and move horizontally rule (20), this scale that moves horizontally rule (20) is positioned at the back side of chair seat board (3), on the arm body of described rear-inclined support arm (14), be provided with vertical mobile rule (26), the scale of this vertical mobile rule (26) is positioned at the back side of chair back plate (1), described fastening bolt (19,25) be hexagon socket head cap screw, and between the outer surface of the nut of the nut of fastening bolt (19) and seat support pallet (4) or fastening bolt (25) and chair back pallet (16), be respectively equipped with decorative mat (11,15).
4. chair for students according to claim 3, it is characterized in that: the plate face of described chair back plate (1) is trapezoidal outer convex surface, its subsequent corrosion R530～R570mm, and the last base (31) of its trapezoidal outer convex surface and bottom (32) are recessed camber line shape, base on it (31) radius of curvature R 220～R270mm, bottom (32) radius of curvature R 270～R320mm, and the easement curve of its each limit by radius R 55～R80mm interconnects.
5. chair for students according to claim 4, it is characterized in that: the last base (31) of described chair back plate (1) and bottom (32) are respectively equipped with the last bending edges (33) and the following bending edges (34) of outside bending, radius bend R30～the R40mm of bending edges on it (33), the radius bend R90～R110mm of following bending edges (34).
6. chair for students according to claim 3, it is characterized in that: the plate face of described chair seat board (3) is trapezoidal indent abnormal curved surface, two side central plane (36) upwarps radius R 25～R35mm, rear (35) upwarps radius R 300～R320mm, limit, rear portion (38) radius of curvature R 750～R810mm, anterior face (37) is provided with the bending edges (39) of downward bending, the radius bend R30～R40mm of its bending edges (39).
7. according to one of any described chair for students in the claim 1 to 6, it is characterized in that: the adjacent at described supporting leg (7) and chair seat board (3) also is provided with the seat support lifting regulating mechanism that is connected with chair seat board (3), this seat support lifting regulating mechanism comprises binding (42), fastening bolt (40) and a lifting support (9) that slides and be equipped with supporting leg (7), on the leg wall of supporting leg (7), be provided with positioning bolt hole (41), on lifting support (9), be provided with and the corresponding chute hole of positioning bolt hole (41) (5), fastening bolt (40) passes supporting leg positioning bolt hole (40) respectively, lifting support chute hole (5), its end are arranged in the binding (42).
8. chair for students according to claim 7, it is characterized in that: on the cartridge outer surface of described lifting support (9), be provided with vertical lift rule (10), described fastening bolt (40) is a hexagon socket head cap screw, and is provided with decorative mat (6) between the outer surface of the nut of fastening bolt (40) and supporting leg (7).
9. chair for students according to claim 8, it is characterized in that: also be provided with guiding slide cartridge (44) in described supporting leg (7) end, the inner tube wall of this guiding slide cartridge (44) matches with the outer post jamb of lifting support (9), also be provided with guide runner (43) in described lifting support (9) end, the outer wall of this guide runner (43) matches with the leg inwall of supporting leg (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200048627U CN201008450Y (en) | 2007-02-12 | 2007-02-12 | Student tablet chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200048627U CN201008450Y (en) | 2007-02-12 | 2007-02-12 | Student tablet chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201008450Y true CN201008450Y (en) | 2008-01-23 |
Family
ID=39043382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200048627U Expired - Fee Related CN201008450Y (en) | 2007-02-12 | 2007-02-12 | Student tablet chair |
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| Country | Link |
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| CN (1) | CN201008450Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102933119A (en) * | 2010-06-11 | 2013-02-13 | 朴玲浩 | Lumbar support of chair |
| WO2013110246A1 (en) * | 2012-01-29 | 2013-08-01 | 盐城市好运文具有限公司 | Scale for adapting school desk and school chair heights to student height, and school chair, seat and school desk having the scale |
| CN104704317A (en) * | 2012-01-29 | 2015-06-10 | 盐城市好运文具有限公司 | Scale for adapting school desk and school chair heights to student height, and school chair, seat and school desk having the scale |
| CN107174025A (en) * | 2017-07-13 | 2017-09-19 | 湖州职业技术学院 | A kind of Convenient type chair |
| CN114451713A (en) * | 2022-01-21 | 2022-05-10 | 郭海英 | Assembled tablet chair that middle school student used and was convenient for transport |
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2007
- 2007-02-12 CN CNU2007200048627U patent/CN201008450Y/en not_active Expired - Fee Related
Cited By (6)
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| CN102933119A (en) * | 2010-06-11 | 2013-02-13 | 朴玲浩 | Lumbar support of chair |
| WO2013110246A1 (en) * | 2012-01-29 | 2013-08-01 | 盐城市好运文具有限公司 | Scale for adapting school desk and school chair heights to student height, and school chair, seat and school desk having the scale |
| CN104704317A (en) * | 2012-01-29 | 2015-06-10 | 盐城市好运文具有限公司 | Scale for adapting school desk and school chair heights to student height, and school chair, seat and school desk having the scale |
| CN107174025A (en) * | 2017-07-13 | 2017-09-19 | 湖州职业技术学院 | A kind of Convenient type chair |
| CN114451713A (en) * | 2022-01-21 | 2022-05-10 | 郭海英 | Assembled tablet chair that middle school student used and was convenient for transport |
| CN114451713B (en) * | 2022-01-21 | 2024-04-16 | 南京茴光网络科技有限公司 | Assembled tablet chair for middle school students and convenient to carry |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080123 Termination date: 20100212 |