CN108851715A - A kind of new-type extendible multi-functional school instruction seat - Google Patents

A kind of new-type extendible multi-functional school instruction seat Download PDF

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Publication number
CN108851715A
CN108851715A CN201810630852.7A CN201810630852A CN108851715A CN 108851715 A CN108851715 A CN 108851715A CN 201810630852 A CN201810630852 A CN 201810630852A CN 108851715 A CN108851715 A CN 108851715A
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CN
China
Prior art keywords
fixed
seat
main body
seat board
groove
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Withdrawn
Application number
CN201810630852.7A
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Chinese (zh)
Inventor
祁建成
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Individual
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Individual
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Priority to CN201810630852.7A priority Critical patent/CN108851715A/en
Publication of CN108851715A publication Critical patent/CN108851715A/en
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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C13/00Convertible chairs, stools or benches
    • A47C13/005Modular seating
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C7/00Parts, details, or accessories of chairs or stools
    • A47C7/002Chair or stool bases
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C7/00Parts, details, or accessories of chairs or stools
    • A47C7/02Seat parts
    • A47C7/14Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C7/00Parts, details, or accessories of chairs or stools
    • A47C7/36Supports for the head or the back
    • A47C7/40Supports for the head or the back for the back
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C7/00Parts, details, or accessories of chairs or stools
    • A47C7/62Accessories for chairs

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  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)

Abstract

The present invention relates to a kind of teaching facilities, it in particular is a kind of new-type extendible multi-functional school instruction seat, including backrest, L shape backrest support rods, seat seat board, collapsible seat board, supporting base of seat, the present apparatus has common seat, three kinds of functions of extended seat and concealed type small table plate, it can be adjusted conversion according to the actual situation, apparatus structure is simple, convenient for operation.Backrest and L shape backrest support rods are connected by the way that fastening screw is fixed, seat seat board and L shape backrest support rods are connected by the way that fastening screw is fixed, seat seat board is connect with collapsible seat board movable contact, and L shape backrest support rods, seat seat board and supporting base of seat are connected by the way that fastening screw is fixed.

Description

A kind of new-type extendible multi-functional school instruction seat
Technical field
The present invention relates to a kind of teaching facilities, are in particular a kind of new-type extendible multi-functional school instruction seats Chair.
Background technique
Seat is the essential teaching facilities of each school, and common seat can only provide most basic function, not It is able to satisfy the actual demand of present each school, so designing the new-type extendible multi-functional school instruction seat of one kind to solve This problem.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of new-type extendible multi-functional school instruction seat, this dresses It sets with common seat, three kinds of functions of extended seat and concealed type small table plate can be adjusted conversion, device according to the actual situation Structure is simple, convenient for operation.
In order to solve the above technical problems, the present invention relates to a kind of teaching facilities, being in particular that one kind is new-type expands Fill multi-functional school instruction seat, including backrest, L shape backrest support rods, seat seat board, collapsible seat board, Seat support Seat, the present apparatus have common seat, and three kinds of functions of extended seat and concealed type small table plate can be adjusted according to the actual situation and turn It changes, apparatus structure is simple, convenient for operation.
The seat seat board includes seat board main body, concealed type small table plate, folding connection piece, concealed type small table plate and seat board Main body is fixed to be connected, and seat board main body is connected with folding seat board main body by folding connection piece, L shape backrest support rods and seat Plate main body is adapted by groove;
Seat board main body includes hidden table plate card-bit part, support spring one, the fixed lid of bar shaped, T shape control-rod, hidden table board Position part and seat board main body are adapted by through-hole, and support spring one and seat board main body are adapted by through-hole, hidden table board position Part and the fixed contact connectio of support spring one, T shape control-rod are meshed with hidden table plate card-bit part by screw thread, support spring one It covers in the outside of T shape control-rod, T shape control-rod and the fixed lid of bar shaped are adapted by through-hole, and the fixed lid of bar shaped passes through fastening spiral shell Nail is fixed in seat board main body;
Concealed type small table plate includes small table plate, folding rod, fixed fishplate bar, folded piece, folded piece connector, folded piece with it is hidden Hiding type small table plate is adapted by groove, and folded piece is connect by fastening screw with concealed type small table plate movable contact, folded piece Connector connects multiple folded pieces by fastening bolt movable contact, and folded piece is connected by folded piece connector with fixed fishplate bar It connects, fixed fishplate bar is connect with folding rod by fastening bolt movable contact, and folding rod is fixed with small table plate by desktop control piece It connects;
Small table plate includes support spring two, desktop control piece, concealed type push button one, the fixed lid of rectangle, support spring two It is adapted with small table plate by groove, support spring two and the fixed contact connectio of desktop control piece, desktop control piece and small table plate It is adapted by groove, desktop control piece and the fixed contact connectio of support spring two, desktop control piece and folding rod pass through groove It is adapted, concealed type push button one is meshed with desktop control piece by screw thread, and concealed type push button one passes through with the fixed lid of rectangle Through-hole is adapted, and the fixed lid of rectangle is fixed on small table plate by fastening screw;
Square protruding, retaining groove are provided on fixed fishplate bar, square protruding and folding rod are adapted by groove, and It is connected by fastening bolt, retaining groove and hidden table plate card-bit part are adapted;
Folding connection piece includes connector main body, axis card-bit part, double side support spring, internal fixed lid, connector master Body and axis card-bit part are adapted by through-hole, and axis card-bit part and seat board main body are adapted by groove, double side support spring With the fixed contact connectio of axis card-bit part, another axis card-bit part and internal fixed lid are adaptable by through-hole, and inside is fixed Lid is fixed on connector main body by fastening screw;
Fixed cover in inside is provided with circular through hole, and circular through hole and axis card-bit part are adapted;
Collapsible seat board includes folding seat board main body, H-shaped supporting leg, and it is solid by T shape to fold seat board main body and H-shaped supporting leg Determine the fixed contact connectio of part;
It folds and is provided with H-shaped through-hole in seat board main body, H-shaped through-hole and H-shaped supporting leg are adapted;
H-shaped supporting leg includes rotational support leg, telescopic support legs;
Telescopic support legs include the fixed lid of leg-supporting, circular ring shape knob, support spring three, T shape fixing piece, rotational support Leg main body, brute spring one, central axis locating piece, concealed type push button two, the fixed lid in surface, brute spring two, U-shaped card-bit part, Concealed type push button three, fixed lid, T shape fixing piece and rotational support leg main body are adapted by through-hole, T shape fixing piece and rotation branch Support leg is adapted by groove, and T shape fixing piece and the fixed contact connectio of support spring three, circular ring shape knob and T shape fixing piece are logical It crosses screw thread to be meshed, three sets of the support spring outsides in circular ring shape knob, circular ring shape knob passes through logical with the fixed lid of leg-supporting Hole is adapted, and the fixed lid of leg-supporting is fixed in rotational support leg main body by fastening screw, brute spring one and rotation branch Support leg main body is adapted by groove, and central axis locating piece and rotational support leg main body are adapted by groove, central axis positioning Part and the fixed contact connectio of brute spring one, concealed type push button two are meshed with central axis locating piece by screw thread, and central axis is fixed Position part and folding seat board main body are adapted by groove, and the fixed lid of concealed type push button two and surface is adaptable by through-hole, surface Fixed lid is fixed in rotational support leg main body by fastening screw, and brute spring two is mutually fitted with folding seat board main body by groove It answers, brute spring two and the fixed contact connectio of U-shaped card-bit part, U-shaped card-bit part and fixed lid are adapted by through-hole, and it is logical to fix lid It crosses fastening screw to be fixed in folding seat board main body, U-shaped card-bit part and H-shaped supporting leg are adapted by groove, concealed type push button Three are meshed with U-shaped card-bit part by screw thread, and concealed type push button three and folding seat board main body are adapted by through-hole;
Fixed lid includes square through hole, and square through hole and U-shaped card-bit part are adapted;
Fixing piece groove is provided on rotational support leg, fixing piece groove and T shape fixing piece are adapted;
Supporting base of seat includes crossbeam one, supporting leg, crossbeam two, and crossbeam one and supporting leg are adapted by groove, crossbeam Two and supporting leg be adapted by groove, crossbeam one and crossbeam two are adapted by groove, crossbeam one, supporting leg and crossbeam two-way Cross the fixed contact connectio of fastening screw;
Backrest and L shape backrest support rods are connected by the way that fastening screw is fixed, seat seat board and L shape back rest supports Bar is connected by the way that fastening screw is fixed, and seat seat board is connect with collapsible seat board movable contact, L shape backrest support rods, seat Chair seat board and supporting base of seat are connected by the way that fastening screw is fixed.
As advanced optimizing for the technical program, a kind of new-type extendible multi-functional school instruction seat institute of the present invention The support spring one stated, support spring two, double side support spring, support spring three, brute spring one and brute spring two material Material is carbon steel.
As advanced optimizing for the technical program, a kind of new-type extendible multi-functional school instruction seat institute of the present invention There are two the quantity of L shape backrest support rods, folding connection piece, collapsible seat board, crossbeam one and the crossbeam two stated is equal.
As advanced optimizing for the technical program, a kind of new-type extendible multi-functional school instruction seat institute of the present invention The outer surface of concealed type push button one, concealed type push button two and the concealed type push button three stated is provided with antiskid thread.
As advanced optimizing for the technical program, a kind of new-type extendible multi-functional school instruction seat institute of the present invention The material for the L shape backrest support rods stated is stainless steel.
A kind of new-type extendible multi-functional school instruction seat of the invention has the beneficial effect that:
A kind of new-type extendible multi-functional school instruction seat of the invention, the present apparatus have common seat, extended seat With three kinds of functions of concealed type small table plate, it can be adjusted conversion according to the actual situation, apparatus structure is simple, convenient for operation.
Detailed description of the invention
The present invention will be further described in detail with specific implementation method with reference to the accompanying drawing.
Fig. 1 is a kind of structural schematic diagram of the form one of new-type extendible multi-functional school instruction seat of the present invention.
Fig. 2 is a kind of structural schematic diagram of the form two of new-type extendible multi-functional school instruction seat of the present invention.
Fig. 3 is a kind of structural schematic diagram of the form three of new-type extendible multi-functional school instruction seat of the present invention.
Fig. 4 is the partial profile structure of A in Fig. 1.
Fig. 5 is the cross-sectional structure schematic diagram of B-B in Fig. 1.
Fig. 6 is the partial profile structure of C in Fig. 1.
Fig. 7 is the partial profile structure of D in Fig. 1.
Fig. 8 is the cross-sectional structure schematic diagram of E-E in Fig. 2.
Fig. 9 is the partial profile structure of F in Fig. 2.
Figure 10 is the cross-sectional structure schematic diagram of G-G in Fig. 2.
Figure 11 is the partial profile structure of H in Fig. 1.
Figure 12 is a kind of fixed lid 3-2-1-4 of the rectangle of new-type extendible multi-functional school instruction seat of the present invention Structural schematic diagram.
In figure:Backrest 1;L shape backrest support rods 2;Seat seat board 3;Seat board main body 3-1;Hidden table plate card-bit part 3- 1-1;One 3-1-2 of support spring;The fixed lid 3-1-3 of bar shaped;T shape control-rod 3-1-4;Concealed type small table plate 3-2;Small table plate 3-2- 1;Two 3-2-1-1 of support spring;Desktop control piece 3-2-1-2;One 3-2-1-3 of concealed type push button;The fixed lid 3-2-1- of rectangle 4;Folding rod 3-2-2;Fixed fishplate bar 3-2-3;Square protruding 3-2-3-1;Retaining groove 3-2-3-2;Folded piece 3-2-4;It folds Part connector 3-2-5;Folding connection piece 3-3;Connector main body 3-3-1;Axis card-bit part 3-3-2;Double side support spring 3-3- 3;The fixed lid 3-3-4 in inside;The collapsible seat board 4 of circular through hole 3-3-4-1;Fold seat board main body 4-1;H-shaped through-hole 4-1-1;H-shaped Supporting leg 4-2;Rotational support leg 4-2-1;The fixed lid 4-2-1-1 of leg-supporting;Circular ring shape knob 4-2-1-2;Support spring three 4-2-1-3;T shape fixing piece 4-2-1-4;Rotational support leg main body 4-2-1-5;One 4-2-1-6 of brute spring;Central axis locating piece 4-2-1-7;Two 4-2-1-8 of concealed type push button;The fixed lid 4-2-1-9 in surface;Two 4-2-1-10 of brute spring;U-shaped card-bit part 4- 2-1-11;Three 4-2-1-12 of concealed type push button;Fixed lid 4-2-1-13;Square through hole 4-2-1-13-1;Telescopic support legs 4-2- 2;Fixing piece groove 4-2-2-1;Supporting base of seat 5;One 5-1 of crossbeam;Supporting leg 5-2;Two 5-3 of crossbeam.
Specific embodiment
Specific embodiment one:
Illustrate present embodiment below with reference to Fig. 1,2,3,4,5,6,7,8,9,10,11,12, the present invention relates to a kind of teaching In particular facility is a kind of new-type extendible multi-functional school instruction seat, including backrest 1, L shape back rest supports Bar 2, seat seat board 3, collapsible seat board 4, supporting base of seat 5, the present apparatus have common seat, extended seat and concealed type teapoy Three kinds of functions of plate, can be adjusted conversion according to the actual situation, and apparatus structure is simple, convenient for operation.
The seat seat board 3 includes seat board main body 3-1, concealed type small table plate 3-2, folding connection piece 3-3, and concealed type is small Desktop 3-2 and seat board main body 3-1 is fixed to be connected, and seat board main body 3-1 and folding seat board main body 4-1 pass through folding connection piece 3- 3 are connected, and L shape backrest support rods 2 and seat board main body 3-1 are adapted by groove, and seat board main body 3-1 plays the role of rest, Concealed type small table plate 3-2 is used to write or temporarily putting books use, and folding connection piece 3-3 plays the role of connection;
Seat board main body 3-1 includes hidden table plate card-bit part 3-1-1, one 3-1-2 of support spring, fixed lid 3-1-3, the T of bar shaped Shape control-rod 3-1-4, hidden table plate card-bit part 3-1-1 and seat board main body 3-1 are adapted by through-hole, one 3-1-2 of support spring It is adapted with seat board main body 3-1 by through-hole, hidden table plate card-bit part 3-1-1 and the fixed contact connectio of one 3-1-2 of support spring, T shape control-rod 3-1-4 is meshed with hidden table plate card-bit part 3-1-1 by screw thread, and one 3-1-2 of support spring is covered to be controlled in T shape The fixed lid 3-1-3 of the outside of bar 3-1-4, T shape control-rod 3-1-4 and bar shaped is adapted by through-hole, and the fixed lid 3-1-3 of bar shaped is logical It crosses fastening screw to be fixed on seat board main body 3-1, hidden table plate card-bit part 3-1-1 plays the role of positioning, one 3- of support spring 1-2 plays the role of support, the fixed lid 3-1-3 retaining element of bar shaped, and T shape control-rod 3-1-4 controls hidden table board The switch of position part 3-1-1;
Concealed type small table plate 3-2 include small table plate 3-2-1, folding rod 3-2-2, fixed fishplate bar 3-2-3, folded piece 3-2-4, Folded piece connector 3-2-5, folded piece 3-2-4 and concealed type small table plate 3-2 are adapted by groove, and folded piece 3-2-4 passes through Fastening screw is connect with concealed type small table plate 3-2 movable contact, and folded piece connector 3-2-5 passes through multiple folded piece 3-2-4 The connection of fastening bolt movable contact, folded piece 3-2-4 is connected by folded piece connector 3-2-5 with fixed fishplate bar 3-2-3, fixed Fishplate bar 3-2-3 is connect with folding rod 3-2-2 by fastening bolt movable contact, and folding rod 3-2-2 and small table plate 3-2-1 pass through table Plate control piece 3-2-1-2 is fixed to be connected, and small table plate 3-2-1 uses convenient for writing or temporarily putting books, folding rod 3-2-2 Play the role of connection, fixed fishplate bar 3-2-3 plays positioning, and folded piece 3-2-4 and folded piece connector 3-2-5 are played The effect of connection;
Small table plate 3-2-1 includes two 3-2-1-1 of support spring, desktop control piece 3-2-1-2, one 3-2-1- of concealed type push button 3, the fixed lid 3-2-1-4, two 3-2-1-1 of support spring and small table plate 3-2-1 of rectangle is adapted by groove, support spring two 3-2-1-1 and desktop control piece 3-2-1-2 is fixed to be connected, and desktop control piece 3-2-1-2 and small table plate 3-2-1 pass through groove It is adapted, desktop control piece 3-2-1-2 and the fixed contact connectio of two 3-2-1-1 of support spring, desktop control piece 3-2-1-2 and folding Folded bar 3-2-2 is adapted by groove, and one 3-2-1-3 of concealed type push button is meshed with desktop control piece 3-2-1-2 by screw thread, One 3-2-1-3 of concealed type push button and the fixed lid 3-2-1-4 of rectangle are adapted by through-hole, and the fixed lid 3-2-1-4 of rectangle is logical It crosses fastening screw to be fixed on small table plate 3-2-1, two 3-2-1-1 of support spring plays the role of support, desktop control piece 3-2- 1-2 plays the role of positioning, and one 3-2-1-3 of concealed type push button is the switch of desktop control piece 3-2-1-2, the fixed lid 3- of rectangle 2-1-4 plays the role of retaining element;
Square protruding 3-2-3-1, retaining groove 3-2-3-2, square protruding 3-2-3-1 are provided on fixed fishplate bar 3-2-3 It is adapted with folding rod 3-2-2 by groove, and is connected by fastening bolt, retaining groove 3-2-3-2 and hiding desktop Card-bit part 3-1-1 is adapted;
Folding connection piece 3-3 includes connector main body 3-3-1, axis card-bit part 3-3-2, double side support spring 3-3-3, interior The fixed lid 3-3-4, connector main body 3-3-1 and axis card-bit part 3-3-2 in portion is adapted by through-hole, axis card-bit part 3-3-2 It is adapted with seat board main body 3-1 by groove, double side support spring 3-3-3 and the fixed contact connectio of axis card-bit part 3-3-2, separately One axis card-bit part 3-3-2 and internal fixed lid 3-3-4 are adapted by through-hole, and the fixed lid 3-3-4 in inside passes through fastening spiral shell Nail is fixed on connector main body 3-3-1, and axis card-bit part 3-3-2 plays the role of fixed position, double side support spring 3-3-3 Play the role of support, the fixed lid 3-3-4 in inside plays retaining element, and connector main body 3-3-1 plays the work of connection With;
Circular through hole 3-3-4-1, circular through hole 3-3-4-1 and axis card-bit part 3- are provided on the fixed lid 3-3-4 in inside 3-2 is adapted;
Collapsible seat board 4 includes folding seat board main body 4-1, H-shaped supporting leg 4-2, folds seat board main body 4-1 and H-shaped supports Leg 4-2 is connected by the way that T shape fixing piece 4-2-1-4 is fixed, and H-shaped supporting leg 4-2 plays the role of folding seat board main body 4-1;
H-shaped through-hole 4-1-1, H-shaped through-hole 4-1-1 and H-shaped supporting leg 4-2 is provided on folding seat board main body 4-1 to be adapted;
H-shaped supporting leg 4-2 includes rotational support leg 4-2-1, telescopic support legs 4-2-2;
Telescopic support legs 4-2-1 includes the fixed lid 4-2-1-1 of leg-supporting, circular ring shape knob 4-2-1-2, support spring three 4-2-1-3, T shape fixing piece 4-2-1-4, rotational support leg main body 4-2-1-5, one 4-2-1-6 of brute spring, central axis locating piece 4-2-1-7, two 4-2-1-8 of concealed type push button, the fixed lid 4-2-1-9, two 4-2-1-10 of brute spring, U-shaped card-bit part 4- in surface 2-1-11, three 4-2-1-12 of concealed type push button, fixed lid 4-2-1-13, T shape fixing piece 4-2-1-4 and rotational support leg main body 4- 2-1-5 is adapted by through-hole, and T shape fixing piece 4-2-1-4 and rotational support leg 4-2-2 are adapted by groove, T shape fixing piece 4-2-1-4 and three 4-2-1-3 of support spring is fixed to be connected, and circular ring shape knob 4-2-1-2 and T shape fixing piece 4-2-1-4 is logical Screw thread is crossed to be meshed, three 4-2-1-3 of support spring cover circular ring shape knob 4-2-1-2 outside, circular ring shape shake hands 4-2-1-2 with The fixed lid 4-2-1-1 of leg-supporting is adapted by through-hole, and the fixed lid 4-2-1-1 of leg-supporting is fixed on by fastening screw to be turned On dynamic supporting leg main body 4-2-1-5, one 4-2-1-6 of brute spring and rotational support leg main body 4-2-1-5 are adapted by groove, Central axis locating piece 4-2-1-7 and rotational support leg main body 4-2-1-5 is adapted by groove, central axis locating piece 4-2-1-7 With the fixed contact connectio of one 4-2-1-6 of brute spring, two 4-2-1-8 of concealed type push button passes through with central axis locating piece 4-2-1-7 Screw thread is meshed, and central axis locating piece 4-2-1-7 and folding seat board main body 4-1 are adapted by groove, two 4- of concealed type push button 2-1-8 and the fixed lid 4-2-1-9 in surface are adapted by through-hole, and the fixed lid 4-2-1-9 in surface is fixed on by fastening screw to be turned On dynamic supporting leg main body 4-2-1-5, two 4-2-1-10 of brute spring and folding seat board main body 4-1 are adapted by groove, strength Two 4-2-1-10 of spring and U-shaped card-bit part 4-2-1-11 is fixed to be connected, U-shaped card-bit part 4-2-1-11 and fixed lid 4-2-1- 13 are adapted by through-hole, and fixed lid 4-2-1-13 is fixed on by fastening screw to be folded on seat board main body 4-1, U-shaped card-bit part 4-2-1-11 and H-shaped supporting leg 4-2 is adapted by groove, three 4-2-1-12 of concealed type push button and U-shaped card-bit part 4-2-1-11 It is meshed by screw thread, three 4-2-1-12 of concealed type push button and folding seat board main body 4-1 are adapted by through-hole, and leg-supporting is solid Surely lid 4-2-1-1 plays the role of retaining element, and circular ring shape knob 4-2-1-2 controls T shape fixing piece 4-2-1-4, T shape fixing piece 4-2-1-4 plays the role of positioning, and three 4-2-1-3 of support spring plays support, and rotational support leg main body 4-2-1-5 is Main structure, one 4-2-1-6 of brute spring support central axis locating piece 4-2-1-7, central axis locating piece 4-2-1-7 to play positioning Effect, two 4-2-1-8 of concealed type push button is the control switch of center axis locating piece 4-2-1-7, and the fixed lid 4-2-1-9 in surface rises To the effect of retaining element, two 4-2-1-10 of brute spring plays support U-shaped card-bit part 4-2-1-11, U-shaped card-bit part 4-2-1- 11 play the role of positioning, and three 4-2-1-12 of concealed type push button is the switch of U-shaped card-bit part 4-2-1-11, fixed lid 4-2-1-13 Play the role of retaining element;
Fixed lid 4-2-1-13 includes square through hole 4-2-1-13-1, square through hole 4-2-1-13-1 and U-shaped card-bit part 4- 2-1-11 is adapted;
Fixing piece groove 4-2-2-1, fixing piece groove 4-2-2-1 and T shape fixing piece are provided on rotational support leg 4-2-2 4-2-1-4 is adapted;
Supporting base of seat 5 includes one 5-1 of crossbeam, supporting leg 5-2, two 5-3 of crossbeam, and one 5-1 of crossbeam and supporting leg 5-2 passes through Groove is adapted, and two 5-3 of crossbeam and supporting leg 5-2 are adapted by groove, and one 5-1 of crossbeam and two 5-3 of crossbeam passes through groove phase It adapts to, one 5-1 of crossbeam, supporting leg 5-2 and two 5-3 of crossbeam are connected by the way that fastening screw is fixed, one 5-1 of crossbeam, supporting leg 5-2 and two 5-3 of crossbeam are mutually permanently connected, and play the role of fixed support;
Backrest 1 and L shape backrest support rods 2 are connected by the way that fastening screw is fixed, seat seat board 3 and L shape backrest Support rod 2 is connected by the way that fastening screw is fixed, and seat seat board 3 is connect with collapsible 4 movable contact of seat board, L shape backrest branch Strut 2, seat seat board 3 and supporting base of seat 5 are connected by the way that fastening screw is fixed.
Specific embodiment two:
Illustrate present embodiment below with reference to Fig. 1,2,3,4,5,6,7,8,9,10,11,12, present embodiment is to embodiment party Formula one is described further, one 3-1-2 of support spring, two 3-2-1-1 of support spring, double side support spring 3-3-3, branch Support three 4-2-1-3 of spring, the material of two 4-2-1-10 of one 4-2-1-6 of brute spring and brute spring is carbon steel.
Specific embodiment three:
Illustrate present embodiment below with reference to Fig. 1,2,3,4,5,6,7,8,9,10,11,12, present embodiment is to embodiment party Formula one is described further, the L shape backrest support rods 2, folding connection piece 3-3, collapsible seat board 4, one 5-1 of crossbeam and cross There are two the quantity of two 5-3 of beam is equal.
Specific embodiment four:
Illustrate present embodiment below with reference to Fig. 1,2,3,4,5,6,7,8,9,10,11,12, present embodiment is to embodiment party Formula one is described further, one 3-2-1-3 of concealed type push button, two 4-2-1-8 of concealed type push button and concealed type push button three The outer surface of 4-2-1-12 is provided with antiskid thread.
Specific embodiment five:
Illustrate present embodiment below with reference to Fig. 1,2,3,4,5,6,7,8,9,10,11,12, present embodiment is to embodiment party Formula one is described further, and the material of the L shape backrest support rods 2 is stainless steel.
The application method of device:The form one of device is most basic functions of seat, on this basis, will fold seat board master Body 4-1 expansion, pushes three 4-2-1-12 of concealed type push button, and U-shaped card-bit part 4-2-1-11 is made to be detached from H-shaped supporting leg 4-2, pushes hidden Type push button two 4-2-1-8 in hiding is detached from central axis locating piece 4-2-1-7 and folds seat board main body 4-1, H-shaped supporting leg 4-2 is rotated Afterwards, the position of central axis locating piece 4-2-1-7 is restored, circular ring shape knob 4-2-1-2 is pulled, is detached from T shape fixing piece 4-2-1-4 Telescopic support legs 4-2-2 after telescopic support legs 4-2-2 is stretched to position appropriate, restores the position of T shape fixing piece 4-2-1-4 It sets, same operation expansion is done into the other side, this is extended seat.
On the basis of form one, T shape control-rod 3-1-4 is pulled, so that hidden table plate card-bit part 3-1-1 is detached from concealed type small Desktop 3-2 extracts concealed type small table plate 3-2 out, and hidden table plate card-bit part 3-1-1 is made to pass through groove phase with fixed fishplate bar 3-2-3 It adapts to, at this point, being rotated up small table plate 3-2-1, makes folding rod 3-2-2 perpendicular to fixed fishplate bar 3-2-3, push concealed type at this time One 3-2-1-3 of push button makes desktop control piece 3-2-1-2 be detached from folding rod 3-2-2, rotates small table plate 3-2-1, makes small table plate 3-2- 1 is vertical with folding rod 3-2-2, and desktop control piece 3-2-1-2 is restored and is fixed, is at this time small table plate unfolded state.
The present apparatus has common seat, and three kinds of functions of extended seat and concealed type small table plate can carry out according to the actual situation Adjustment conversion, apparatus structure is simple, convenient for operation.
Certainly, above description is not limitation of the present invention, and the present invention is also not limited to the example above, the art The variations, modifications, additions or substitutions that those of ordinary skill is made within the essential scope of the present invention also belong to guarantor of the invention Protect range.

Claims (5)

1. a kind of new-type extendible multi-functional school instruction seat, including backrest (1), L shape backrest support rods (2), seat Chair seat board (3), collapsible seat board (4), supporting base of seat (5), it is characterised in that:The seat seat board (3) includes seat board master Body (3-1), concealed type small table plate (3-2), folding connection piece (3-3), concealed type small table plate (3-2) and seat board main body (3-1) are solid Fixed to connect, seat board main body (3-1) is connected with folding seat board main body (4-1) by folding connection piece (3-3), L shape backrest Support rod (2) and seat board main body (3-1) are adapted by groove;
Seat board main body (3-1) includes hidden table plate card-bit part (3-1-1), support spring one (3-1-2), the fixed lid (3-1- of bar shaped 3), T shape control-rod (3-1-4), hidden table plate card-bit part (3-1-1) and seat board main body (3-1) are adapted by through-hole, support bullet Spring one (3-1-2) and seat board main body (3-1) are adapted by through-hole, hidden table plate card-bit part (3-1-1) and one (3- of support spring 1-2) fixed to connect, T shape control-rod (3-1-4) is meshed with hidden table plate card-bit part (3-1-1) by screw thread, supports bullet Spring one (3-1-2) is covered in the outside of T shape control-rod (3-1-4), and T shape control-rod (3-1-4) passes through with the fixed lid (3-1-3) of bar shaped Through-hole is adapted, and the fixed lid (3-1-3) of bar shaped is fixed on seat board main body (3-1) by fastening screw;
Concealed type small table plate (3-2) includes small table plate (3-2-1), folding rod (3-2-2), fixed fishplate bar (3-2-3), folded piece (3-2-4), folded piece connector (3-2-5), folded piece (3-2-4) and concealed type small table plate (3-2) are adapted by groove, folding Overlapping piece (3-2-4) is connect by fastening screw with concealed type small table plate (3-2) movable contact, and folded piece connector (3-2-5) will Multiple folded pieces (3-2-4) are connected by fastening bolt movable contact, and folded piece connector (3-2-5) is by folded piece (3-2-4) It is connected with fixed fishplate bar (3-2-3), fixed fishplate bar (3-2-3) is connected with folding rod (3-2-2) by fastening bolt movable contact It connects, folding rod (3-2-2) and small table plate (3-2-1) are connected by the way that desktop control piece (3-2-1-2) is fixed;
Small table plate (3-2-1) includes support spring two (3-2-1-1), desktop control piece (3-2-1-2), one (3- of concealed type push button 2-1-3), the fixed lid (3-2-1-4) of rectangle, support spring two (3-2-1-1) are mutually fitted with small table plate (3-2-1) by groove Answer, support spring two (3-2-1-1) and desktop control piece (3-2-1-2) are fixed to be connected, desktop control piece (3-2-1-2) with Small table plate (3-2-1) is adapted by groove, and desktop control piece (3-2-1-2) is contacted with support spring two (3-2-1-1) fixation Connection, desktop control piece (3-2-1-2) and folding rod (3-2-2) are adapted by groove, concealed type push button one (3-2-1-3) with Desktop control piece (3-2-1-2) is meshed by screw thread, concealed type push button one (3-2-1-3) and the fixed lid (3-2-1- of rectangle 4) it is adapted by through-hole, the fixed lid (3-2-1-4) of rectangle is fixed on small table plate (3-2-1) by fastening screw;
Square protruding (3-2-3-1), retaining groove (3-2-3-2), square protruding (3-2- are provided on fixed fishplate bar (3-2-3) 3-1) be adapted, and be connected by fastening bolt by groove with folding rod (3-2-2), retaining groove (3-2-3-2) with Hidden table plate card-bit part (3-1-1) is adapted;
Folding connection piece (3-3) includes connector main body (3-3-1), axis card-bit part (3-3-2), double side support spring (3-3- 3), internal fixed lid (3-3-4), connector main body (3-3-1) and axis card-bit part (3-3-2) are adapted by through-hole, axis Card-bit part (3-3-2) and seat board main body (3-1) are adapted by groove, double side support spring (3-3-3) and axis card-bit part (3- 3-2) fixed to connect, another axis card-bit part (3-3-2) and internal fixed lid (3-3-4) are adapted by through-hole, interior The fixed lid (3-3-4) in portion is fixed on connector main body (3-3-1) by fastening screw;
It is provided with circular through hole (3-3-4-1) on the fixed lid (3-3-4) in inside, circular through hole (3-3-4-1) and axis card-bit part (3-3-2) is adapted;
Collapsible seat board (4) includes folding seat board main body (4-1), H-shaped supporting leg (4-2), folds seat board main body (4-1) and H-shaped Supporting leg (4-2) is connected by the way that T shape fixing piece (4-2-1-4) is fixed;
It folds and is provided with H-shaped through-hole (4-1-1) on seat board main body (4-1), H-shaped through-hole (4-1-1) and H-shaped supporting leg (4-2) phase It adapts to;
H-shaped supporting leg (4-2) includes rotational support leg (4-2-1), telescopic support legs (4-2-2);
Telescopic support legs (4-2-1) include the fixed lid (4-2-1-1) of leg-supporting, circular ring shape knob
(4-2-1-2), support spring three (4-2-1-3), T shape fixing piece (4-2-1-4), rotational support leg main body (4-2-1-5), Brute spring one (4-2-1-6), central axis locating piece (4-2-1-7), concealed type push button two (4-2-1-8), the fixed lid (4- in surface 2-1-9), brute spring two (4-2-1-10), U-shaped card-bit part (4-2-1-11), concealed type push button three (4-2-1-12), fixed lid (4-2-1-13), T shape fixing piece (4-2-1-4) and rotational support leg main body (4-2-1-5) are adapted by through-hole, and T shape is fixed Part (4-2-1-4) and rotational support leg (4-2-2) are adapted by groove, T shape fixing piece (4-2-1-4) and support spring three (4-2-1-3) is fixed to be connected, and circular ring shape knob (4-2-1-2) is meshed with T shape fixing piece (4-2-1-4) by screw thread, Support spring three (4-2-1-3) is covered in the outside of circular ring shape knob (4-2-1-2), circular ring shape knob (4-2-1-2) and supporting leg The fixed lid (4-2-1-1) in portion is adapted by through-hole, and the fixed lid (4-2-1-1) of leg-supporting is fixed on rotation by fastening screw In supporting leg main body (4-2-1-5), brute spring one (4-2-1-6) passes through groove phase with rotational support leg main body (4-2-1-5) It adapts to, central axis locating piece (4-2-1-7) and rotational support leg main body (4-2-1-5) are adapted by groove, central axis positioning Part (4-2-1-7) and brute spring one (4-2-1-6) fixed contact connectio, concealed type push button two (4-2-1-8) and central axis are fixed Position part (4-2-1-7) is meshed by screw thread, central axis locating piece
(4-2-1-7) and folding seat board main body (4-1) are adapted by groove, and concealed type push button two (4-2-1-8) and surface are solid Fixed lid (4-2-1-9) is adapted by through-hole, and the fixed lid (4-2-1-9) in surface is fixed on rotational support leg master by fastening screw On body (4-2-1-5), brute spring two (4-2-1-10) and folding seat board main body (4-1) are adapted by groove, brute spring Two (4-2-1-10) and U-shaped card-bit part (4-2-1-11) fixed contact connectio, U-shaped card-bit part (4-2-1-11) and fixed lid (4- It 2-1-13) is adapted by through-hole, fixed lid (4-2-1-13) is fixed on by fastening screw to be folded on seat board main body (4-1), U Shape card-bit part (4-2-1-11) and H-shaped supporting leg (4-2) are adapted by groove, concealed type push button three (4-2-1-12) and U-shaped Card-bit part (4-2-1-11) is meshed by screw thread, and concealed type push button three (4-2-1-12) passes through with seat board main body (4-1) is folded Through-hole is adapted;
Fixed lid (4-2-1-13) includes square through hole (4-2-1-13-1), square through hole (4-2-1-13-1) and U-shaped card-bit part (4-2-1-11) is adapted;
It is provided on rotational support leg (4-2-2) fixing piece groove (4-2-2-1), fixing piece groove (4-2-2-1) is fixed with T shape Part (4-2-1-4) is adapted;
Supporting base of seat (5) includes crossbeam one (5-1), supporting leg (5-2), crossbeam two (5-3), crossbeam one (5-1) and supporting leg (5-2) is adapted by groove, and crossbeam two (5-3) and supporting leg (5-2) are adapted by groove, crossbeam one (5-1) and crossbeam Two (5-3) are adapted by groove, and crossbeam one (5-1), supporting leg (5-2) and crossbeam two (5-3) are connect by fastening screw fixation Touching connection;
Backrest (1) and L shape backrest support rods (2) are connected by the way that fastening screw is fixed, and seat seat board (3) is leaned on L shape Back support bar (2) is connected by the way that fastening screw is fixed, and seat seat board (3) is connect with collapsible seat board (4) movable contact, L Shape backrest support rods (2), seat seat board (3) and supporting base of seat (5) are connected by the way that fastening screw is fixed.
2. the new-type extendible multi-functional school instruction seat of one kind according to claim 1, it is characterised in that:Described Support spring one (3-1-2), support spring two (3-2-1-1), double side support spring (3-3-3), three (4-2-1- of support spring 3), the material of brute spring one (4-2-1-6) and brute spring two (4-2-1-10) is carbon steel.
3. the new-type extendible multi-functional school instruction seat of one kind according to claim 1, it is characterised in that:Described The quantity of L shape backrest support rods (2), folding connection piece (3-3), collapsible seat board (4), crossbeam one (5-1) and crossbeam two (5-3) There are two.
4. the new-type extendible multi-functional school instruction seat of one kind according to claim 1, it is characterised in that:Described The outer surface of concealed type push button one (3-2-1-3), concealed type push button two (4-2-1-8) and concealed type push button three (4-2-1-12) is equal It is provided with antiskid thread.
5. the new-type extendible multi-functional school instruction seat of one kind according to claim 1, it is characterised in that:Described The material of L shape backrest support rods (2) is stainless steel.
CN201810630852.7A 2018-06-19 2018-06-19 A kind of new-type extendible multi-functional school instruction seat Withdrawn CN108851715A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021134655A1 (en) * 2019-12-30 2021-07-08 田丽华 Easy-to-use folding chair for studying

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Publication number Priority date Publication date Assignee Title
CN2416802Y (en) * 2000-04-17 2001-01-31 权振迎 Folding type school bench and desk with nearsightedness proof function
CN202365313U (en) * 2011-12-19 2012-08-08 何燕 Accommodating chair capable of being used as reclining chair
CN205250975U (en) * 2016-01-07 2016-05-25 高姝盼 Multifunctional student chair
CN205585612U (en) * 2016-02-25 2016-09-21 鹰潭宝泰工贸有限公司 University auditorium is with seat that has adjustable simple and easy table
CN108057215A (en) * 2017-12-15 2018-05-22 张星 A kind of new-type furniture body-building integral type exercising apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2416802Y (en) * 2000-04-17 2001-01-31 权振迎 Folding type school bench and desk with nearsightedness proof function
CN202365313U (en) * 2011-12-19 2012-08-08 何燕 Accommodating chair capable of being used as reclining chair
CN205250975U (en) * 2016-01-07 2016-05-25 高姝盼 Multifunctional student chair
CN205585612U (en) * 2016-02-25 2016-09-21 鹰潭宝泰工贸有限公司 University auditorium is with seat that has adjustable simple and easy table
CN108057215A (en) * 2017-12-15 2018-05-22 张星 A kind of new-type furniture body-building integral type exercising apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021134655A1 (en) * 2019-12-30 2021-07-08 田丽华 Easy-to-use folding chair for studying

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Application publication date: 20181123