CN110301786B - Variable growth type children furniture with lifting function - Google Patents
Variable growth type children furniture with lifting function Download PDFInfo
- Publication number
- CN110301786B CN110301786B CN201910680157.6A CN201910680157A CN110301786B CN 110301786 B CN110301786 B CN 110301786B CN 201910680157 A CN201910680157 A CN 201910680157A CN 110301786 B CN110301786 B CN 110301786B
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- Prior art keywords
- front frame
- slide
- slide bar
- frame
- furniture
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- 239000002184 metal Substances 0.000 claims description 23
- 230000003014 reinforcing effect Effects 0.000 claims description 20
- 230000002787 reinforcement Effects 0.000 claims description 7
- 230000003028 elevating effect Effects 0.000 claims description 4
- 125000003003 spiro group Chemical group 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
- A47D1/00—Children's chairs
- A47D1/002—Children's chairs adjustable
- A47D1/004—Children's chairs adjustable in height
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
- A47D11/00—Children's furniture convertible into other kinds of furniture, e.g. children's chairs or benches convertible into beds or constructional play-furniture
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
- A47D13/00—Other nursery furniture
- A47D13/10—Rocking-chairs; Indoor swings ; Baby bouncers
- A47D13/105—Rocking-chairs; Indoor swings ; Baby bouncers pivotally mounted in a frame
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
- F16B12/40—Joints for furniture tubing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/18—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
- F16B7/185—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements with a node element
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
- F16B12/40—Joints for furniture tubing
- F16B2012/406—Cove joints for joining two cylindrical members
Abstract
The invention discloses a variable growth type children furniture with lifting function, comprising: the lifting device comprises a seat board, a lifting table, a baffle and two groups of U-shaped brackets which are arranged in a front-back symmetrical mode, wherein the bottoms of the U-shaped brackets are arranged in an arc shape, the two groups of U-shaped brackets are connected with the seat board, a first sliding rod and a second sliding rod are connected under the lifting table, opposite sliding groove seats are connected under the seat board, the baffle is provided with a baffle sliding groove for sliding the first sliding rod, the second sliding rod is slidably connected with an opening groove of the seat board and stretches into a fixed sliding groove between the two groups of sliding groove seats, and connecting legs are further arranged on two sides of the bottom of the U-shaped brackets. The height of the lifting platform can be adjusted, and the connecting legs are provided with two groups of installation modes in the vertical and horizontal directions, so that the lifting platform has multiple use methods and meets the requirements of children in different heights.
Description
Technical Field
The invention relates to the technical field of children furniture, in particular to variable growth type children furniture with a lifting function.
Background
Children develop faster, and the height of the children changes greatly, and the furniture for children without growth often cannot meet the use requirement because of too short life cycle. Most of the existing children furniture on the market has single function, does not have the function of adjusting the height, or lacks variation in style fixation. The use of children under the conditions of different growth heights can not be met, and the requirements of psychological changes of the children in the growth process can not be met. In addition, the existing furniture for children is not interesting enough, and can not well meet the requirement that the furniture is required to be 'movable and static' when children learn in playing. Therefore, we propose a changeable growth type children furniture with lifting function.
Disclosure of Invention
The present invention is directed to a variable-type child furniture with lifting function, so as to solve the above-mentioned problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a variable growth type child furniture with a lifting function, comprising:
the seat board and the support system connected with the seat board are further provided with a lifting platform, the support system comprises a fixing part and a sliding part connected with the fixing part, the fixing part comprises a front frame, a rear frame and a reinforcing rod, the front frame and the rear frame are symmetrically arranged, the reinforcing rod is connected with the front frame and the rear frame, the sliding part is provided with a first slide way and a second slide way, the lifting platform is provided with a desktop, a first slide bar and a second slide bar are connected under the desktop, the first slide bar is movably connected with the first slide way, the second slide bar is movably connected with the second slide way, the seat board is fixedly connected with the fixing part and the second slide way, and the lifting platform can move up and down relative to the support system under the limit of the sliding part.
Preferably, the front frame and the rear frame that the symmetry set up are U type support, and its bottom is the arc, be connected with under the bedplate the second slide, the second slide is including relative first spout and the second spout that sets up, still be equipped with the baffle on the bracket system, first slide is located in the baffle, the second slide bar sliding connection in the open slot of bedplate and stretch into in the second slide between first spout with in the second spout, the front frame with rear frame bottom both sides all are equipped with the extension leg.
Preferably, the front frame with the back frame bottom is the arc of same radian, the front frame with back frame bottom both sides all are equipped with the counter bore that is used for stretching into the screw, the front frame with back frame bottom both sides all are equipped with the spliced eye with counter bore intercommunication, the spliced eye is used for pegging graft the metal junction head, the metal junction head set up in the extension leg with the one end that fixed part is connected, be equipped with the internal thread hole that is used for the spiro union screw in the metal junction head.
Preferably, the middle part of the lower end of the lifting table is connected with a first sliding rod, the middle part of the side edge of the lifting table is connected with a second sliding rod, the middle part of the right side of the baffle is provided with a first slideway for sliding connection with the first sliding rod, the second sliding rod is slidably connected with an opening groove in the middle part of the side edge of the seat board and stretches into the second slideway between the first sliding groove and the second sliding groove, two groups of horizontal sliding grooves which are arranged in a staggered manner are arranged in the lower part of the second sliding rod, an upper positioning pin plate and a lower positioning pin plate are respectively slidably connected in the upper sliding groove and the lower sliding groove, gears are engaged between the upper positioning pin plate and the lower positioning pin plate, and a plurality of inserting grooves respectively used for inserting the upper positioning pin plate and the lower positioning pin plate are arranged in the second sliding groove.
Preferably, a second reinforcing rod is connected between the front frame and the rear frame; the upper end of the first sliding rod is provided with a clamping protrusion at the joint of the upper end of the first sliding rod and the lower end of the tabletop, and the upper end of the baffle is provided with a clamping groove for clamping the clamping protrusion.
Preferably, the second slide bar in the middle of the side edge of the lifting platform is integrally formed with the lifting platform, the second slide bar and the first slide bar are arranged in parallel, and a reinforcement is connected between the second slide bar and the first slide bar.
Preferably, the gear is located the lower part inner chamber of second slide bar, and the gear accessible hardware rotates, the hardware has the connecting rod to connect in the centre of a circle middle part of gear, the hardware is one of hexagon socket head cap screw, outer hexagon screw, straight line bolt, cross bolt or hand wheel.
Preferably, a reinforcing rod is connected between the extension legs of the front frame and the rear frame.
Preferably, the metal connector and the extension leg are integrally formed, and the end surface of the extension leg connected with the front frame or the rear frame is an inclined end surface of 45 degrees, so that the extension leg can be transversely mounted on the front frame and the rear frame, can also be longitudinally mounted on the front frame and the rear frame, when the extension leg is transversely mounted on the front frame and the rear frame, the swing amplitude of furniture can be enlarged to prevent the furniture from tilting, and when the extension leg is longitudinally mounted on the front frame and the rear frame, the furniture can be enabled to be stable through landing at four support points, and the overall height of the furniture is increased.
Preferably, the opening groove of the seat plate can just completely accommodate the tabletop of the lifting platform, and the upper end surface of the lifting platform when the lifting platform descends to the lowest position is flush with the upper end surface of the seat plate.
Compared with the prior art, the invention has the beneficial effects that: the invention can be used in various ways, a person sits on the seat board, the hand of the person leans against the lifting table to read the scene indication, and meanwhile, the U-shaped bracket with radian at the bottom can be seen to be used as a pedal;
when the connecting legs are installed and supported in the vertical direction and the lifting platform is not lifted, the product is a common stool; the lifting platform is lifted to form a chair with a small table, and then the connecting legs are arranged in the horizontal direction to form a toy similar to a wooden horse.
The height of the lifting platform can be adjusted, after the lifting platform is moved to a proper height, the hand wheel is rotated clockwise, the gear is also rotated clockwise, so that the upper locating pin plate and the lower locating pin plate slide along the corresponding horizontal sliding grooves until the upper locating pin plate and the lower locating pin plate are inserted into the inserting grooves, and the lifting platform is fixed;
because the bottoms of the left side and the right side of the U-shaped bracket are internally provided with countersunk holes for extending in the screws, the bottoms of the left side and the right side of the U-shaped bracket are internally provided with splicing holes communicated with the countersunk holes, the splicing holes are used for splicing metal connectors, the metal connectors are arranged at one end of the connecting legs connected with the U-shaped bracket, and the metal connectors are internally provided with internal threaded holes for screwing in the screws, so that the connecting legs are firmly installed and fixed; although the structure is loosened by long-term use or deformation of the wood according to the change of the atmospheric moisture content, the structure can be continuously tensioned by tightening the screw.
Drawings
FIG. 1 is a schematic view of the structure of the invention with the lifting platform raised and the extension leg laterally disposed;
FIG. 2 is a schematic diagram showing a connection and disconnection structure of a second slide bar and a second slide rail according to the present invention;
FIG. 3 is a schematic view of the structure of the second slide bar of the present invention in cross-section after being connected to the second slide way;
FIG. 4 is a schematic view of the connection exploded cross-section of FIG. 1A according to the present invention;
FIG. 5 is a schematic view of the connection structure of the second slide bar, the lifting platform and the first slide bar;
FIG. 6 is a schematic perspective view of the elevating platform of the present invention after it has been lowered to the lowest position;
FIG. 7 is a schematic view of the structure of the invention with the longitudinal arrangement of the extension leg after lifting;
fig. 8 is a schematic view of another angular configuration of the extension leg transverse arrangement of the present invention.
In the figure: 1 seat board, 2 bracket system, 21 fixed part, 211 front frame, 212 rear frame, 213 reinforcing rod, 2131 second reinforcing rod, 214 baffle, 215 clamping groove, 22 sliding part, 221 first slide way, 222 second slide way, 2221 first slide way, 2222 second slide way, 223 inserting groove, 23 inserting hole, 24 screw, 25 counter-sunk hole, 3 lifting platform, 31 desktop, 32 second slide bar, 321 horizontal slide way, 322 upper positioning pin plate, 323 lower positioning pin plate, 324 gear, 33 clamping protrusion, 34 first slide bar, 35 reinforcement, 4 extension leg, 41 reinforcing rod, 42 metal connector, 43 internal thread hole, 5 hardware.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides a technical solution: a variable growth type child furniture with a lifting function, comprising: the seat board 1 and the bracket system 2 connected with the seat board 1 are further provided with a lifting platform 3, the bracket system 2 comprises a fixed part 21 and a sliding part 22 connected with the fixed part, the fixed part 21 comprises a front frame 211, a rear frame 212 and a reinforcing rod 213 which is symmetrically arranged and is used for connecting the front frame 211 and the rear frame 212, the sliding part 22 is provided with a first slide rail 221 and a second slide rail 222, the lifting platform 3 is provided with a tabletop 31, a first slide bar 34 and a second slide bar 32 are connected below the tabletop 31, the first slide bar 34 is movably connected with the first slide rail 221, the second slide bar 32 is movably connected with the second slide rail 222, the seat board 1 is fixedly connected with the fixed part 21 and the second slide rail 222, and the lifting platform 3 can move up and down relative to the bracket system 2 under the limitation of the sliding part 22.
Specifically, the front frame 211 and the rear frame 212 that the symmetry set up are U type support, and its bottom is the arc, be connected with under the bedplate 1 second slide 222, second slide 222 includes relative first spout 2221 and the second spout 2222 that sets up, still be equipped with baffle 214 on the bracket system 2, first slide 221 is located in the baffle 214, second slide bar 32 sliding connection in the open slot of bedplate 1 and stretching into first spout 2221 with in the second slide 222 between the second spout 2222, front frame 211 with rear frame 212 bottom both sides all are equipped with extension leg 4.
Specifically, the front frame 211 with the back frame 212 bottom is the arc of the same radian, front frame 211 with back frame 212 bottom both sides all are equipped with the counter bore 25 that is used for stretching into screw 24, front frame 211 with back frame 212 bottom both sides all are equipped with the spliced eye 23 with counter bore 25 intercommunication, the spliced eye 23 is used for grafting metal connector 42, metal connector 42 set up in extension leg 4 with the one end that fixed part 21 is connected, be equipped with the internal thread hole 43 that is used for spiro union screw 24 in the metal connector 42.
Specifically, the middle part of the lower end of the lifting platform 3 is connected with a first slide bar 34, the middle part of the side edge of the lifting platform 3 is connected with a second slide bar 32, the middle part of the right side of the baffle 214 is provided with a first slide rail 221 for sliding connection with the first slide bar 34, the second slide bar 32 is slidingly connected with an open slot in the middle part of the side edge of the seat board 1 and extends into a second slide rail 222 between the first slide slot 2221 and the second slide slot 2222, the lower part of the second slide bar 32 is internally provided with an upper horizontal slide slot 321 and a lower horizontal slide slot 321 which are arranged in a staggered manner, the upper horizontal slide slot 321 is respectively slidingly connected with an upper positioning pin plate 322 and a lower positioning pin plate 323, a gear 324 is meshed between the upper positioning pin plate 322 and the lower positioning pin plate 323, and a plurality of inserting slots 223 respectively used for inserting the upper positioning pin plate 322 and the lower positioning pin plate 323 are arranged in the second slide slot 2222.
Specifically, a second reinforcing bar 2131 is connected between the front frame 211 and the rear frame 212; the joint of the upper end of the first slide rod 34 and the lower end of the tabletop 31 is provided with a clamping protrusion 33, and the upper end of the baffle 214 is provided with a clamping groove 215 for clamping the clamping protrusion 33.
Specifically, the second sliding rod 32 in the middle of the side edge of the lifting platform 3 is integrally formed with the lifting platform 3, the second sliding rod 32 and the first sliding rod 34 are arranged in parallel, and a reinforcement 35 is connected between the second sliding rod 32 and the first sliding rod 34.
Specifically, the gear 324 is located the lower part inner chamber of second slide bar 32, and gear 324 accessible hardware 5 rotates, hardware 5 has the connecting rod to connect in the centre of a circle middle part of gear 324, hardware 5 is one of hexagon socket head cap screw, outer hexagon screw, straight line bolt, cross bolt or hand wheel.
Specifically, a reinforcing rod 41 is connected between the front frame 211 and the extension leg 4 of the rear frame 212.
Specifically, the metal connector 42 and the extension leg 4 are integrally formed, and the end surface of the extension leg 4 connected to the front frame 211 or the rear frame 212 is an inclined end surface of 45 degrees, so that the extension leg 4 can be transversely mounted on the front frame 211 and the rear frame 212, and also can be longitudinally mounted on the front frame 211 and the rear frame 212, when the extension leg 4 is transversely mounted on the front frame 211 and the rear frame 212, the swing amplitude of the furniture can be enlarged to prevent the furniture from toppling over, and when the extension leg 4 is longitudinally mounted on the front frame 211 and the rear frame 212, the furniture can be enabled to land through four support points to enable the furniture to be stable, and the overall height of the furniture is increased.
Specifically, the opening groove of the seat plate 1 can just completely accommodate the tabletop 31 of the lifting platform 3, and the upper end surface of the lifting platform 3 when being lowered to the lowest position is flush with the upper end surface of the seat plate 1.
In order to better illustrate the technical solution of the present invention, the following further describes specific embodiments of the present invention with reference to fig. 1 to 8.
Example 1: the fixing part 21 is provided with two groups of U-shaped brackets symmetrically from front to back, the bottoms of the two groups of U-shaped brackets are arc-shaped, the right sides of the upper ends of the two groups of U-shaped brackets are connected with a seat board 1, the lower ends of the left sides of the seat board 1 are connected with a first sliding groove 2221 and a second sliding groove 2222, the lower ends of the two groups of sliding grooves are connected to a reinforcing rod 213, the reinforcing rod 213 is connected between the left sides of the bottoms of a front frame 211 and a rear frame 212 of the U-shaped brackets, and a baffle 214 is connected between the left sides of the two groups of U-shaped brackets; the middle part of the lower end of the lifting platform 3 is connected with a first sliding rod 34 positioned on the left side, the middle part of the right end of the lifting platform 3 is connected with a second sliding rod 32 positioned on the right side, the middle part of the right side of the baffle 214 is provided with a first sliding way 221 for sliding the first sliding rod 34, the second sliding rod 32 on the right side is slidingly connected with an open slot in the middle part of the left end of the seat board 1 and extends into a second sliding way 222 which is slidingly connected between the front group of sliding slots and the rear group of sliding slots of the first sliding slot 2221 and the second sliding slot 2222, the lower part of the second sliding rod 32 on the right side is internally provided with an upper group of horizontal sliding slots 321 and a lower group of horizontal sliding slots 321 which are arranged in a staggered manner, an upper positioning pin plate 322 and a lower positioning pin plate 323 are respectively slidingly connected between the upper positioning pin plate 322 and the lower positioning pin plate 323, and a plurality of inserting slots 223 respectively used for inserting the upper positioning pin plate 322 and the lower positioning pin plate 323 are arranged in the second sliding way 222; four sets of extension legs 4 are respectively installed at the bottoms of the left and right sides of the front frame 211 and the rear frame 212 of the U-shape.
Example 2: the U-shaped counter sunk holes 25 for extending into the screws 24 are formed in the bottoms of the left side and the right side of the front frame 211 and the rear frame 212, the plug holes 23 communicated with the counter sunk holes 25 are further formed in the bottoms of the left side and the right side of the front frame 211 and the rear frame 212, the plug holes 23 are used for plugging metal connectors 42, the metal connectors 42 are arranged at one ends, connected with the front frame 211 or the rear frame 212 of the U-shaped, of the extension legs 4, and internal threaded holes 43 for being screwed with the screws 24 are formed in the metal connectors 42.
Example 3: the second reinforcing rods 2131 are further connected between the front frame 211 and the rear frame 212, and the firmness between the two groups of U-shaped brackets is improved and the structural strength is enhanced through the arrangement of the second reinforcing rods 2131.
Example 4: the joint of the upper end of the first sliding rod 34 on the left side and the lower end of the lifting platform 3 is provided with a clamping protrusion 33, the upper end of the baffle 214 is provided with a clamping groove 215 for clamping the clamping protrusion 33, and the clamping groove 215 is used for clamping the clamping protrusion 33 when the lifting platform 3 descends to the lowest position through the arrangement of the clamping protrusion 33 and the clamping groove 215, so that the lifting platform 3 is in a stable state.
Example 5: the second slide bar 32 and elevating platform 3 integrated into one piece in the middle part of the right-hand member of elevating platform 3, and be located the second slide bar 32 and the first slide bar 34 of right side for parallel arrangement, the bottom between second slide bar 32 and the first slide bar 34 of right side is connected with reinforcement 35, through the setting of reinforcement 35, it has improved the stability that second slide bar 32 and first slide bar 34 are connected, reinforcing structural strength.
Example 6: the gear 324 is located the lower part inner chamber of second slide bar 32, and gear 324 rotates through the hand wheel, the hand wheel is connected in the centre of a circle middle part of gear 324 through the connecting rod of its left end for when rotating the hand wheel, can make things convenient for gear 324 to carry out anticlockwise or clockwise rotation through the setting of hand wheel.
Example 7: the left two groups of extension legs 4 are connected with a reinforcing rod 41, the right two groups of extension legs 4 are also connected with the reinforcing rod 41, and the connection stability between the left two groups of extension legs 4 and the connection stability between the right two groups of extension legs 4 are improved through the arrangement of the reinforcing rod 41.
Example 8: the metal connector 42 and the extension leg 4 are integrally formed, and the end surfaces of the extension leg 4 and the front frame 211 or the rear frame 212 of the U-shape are all inclined end surfaces of 45 degrees, and the installation of the extension leg 4 in the horizontal or vertical direction can be satisfied by the arrangement that the end surfaces of the extension leg 4 and the front frame 211 or the rear frame 212 of the U-shape are all inclined end surfaces of 45 degrees.
Example 9: when in use, the middle part of the right side of the baffle 214 is provided with the first slideway 221 for sliding the first slide bar 34, the second slide bar 32 is in sliding connection with the open slot in the middle part of the left end of the seat board 1 and then extends into the second slideway 222 in sliding connection between the front and rear groups of slide slots, so that the lifting platform 3 can lift up and down to adjust the height; the upper end surface of the lifting platform 3 when being lowered to the lowest position is flush with the upper end surface of the seat plate 1.
Because the gear 324 is engaged and connected between the upper locating pin plate 322 and the lower locating pin plate 323, and the hand wheel is connected to the center of the gear 324 through the connecting rod at the left end of the hand wheel, when the hand wheel rotates anticlockwise, the gear 324 also rotates anticlockwise, so that the upper locating pin plate 322 and the lower locating pin plate 323 slide along the corresponding horizontal sliding grooves 321 until the upper locating pin plate 322 and the lower locating pin plate 323 are completely separated from the corresponding inserting grooves 223 and contracted into the lower part of the second sliding rod 32, when the lifting platform 3 is lifted up to a proper height, the hand wheel is rotated clockwise, the gear 324 also rotates clockwise, so that the upper locating pin plate 322 and the lower locating pin plate 323 slide along the corresponding horizontal sliding grooves 321 until the upper locating pin plate 322 and the lower locating pin plate 323 are inserted into the inserting grooves 223, and lifting and fixing of the lifting platform 3 are completed;
when the height of the lifting platform 3 needs to be lowered, the upper locating pin plate 322 and the lower locating pin plate 323 are completely separated from the corresponding inserting grooves 223 and contracted into the lower part of the second sliding rod 32, after the lifting platform 3 is pressed down to a proper height, the hand wheel is rotated clockwise, the gear 324 is also rotated clockwise, and then the upper locating pin plate 322 and the lower locating pin plate 323 slide along the corresponding horizontal sliding grooves 321 until the upper locating pin plate 322 and the lower locating pin plate 323 are inserted into the inserting grooves 223, so that the lifting platform 3 is lowered and fixed;
because the bottoms of the left side and the right side of the U-shaped bracket are internally provided with countersunk holes 25 for extending into the screws 24, the bottoms of the left side and the right side of the U-shaped bracket are internally provided with inserting holes 23 communicated with the countersunk holes 25, the inserting holes 23 are used for inserting metal connectors 42, the metal connectors 42 are arranged at one end of the extension legs 4 connected with the U-shaped bracket, and the metal connectors 42 are internally provided with internal threaded holes 43 for being in threaded connection with the screws 24, so that the extension legs 4 are firmly installed and fixed; although the structure is loosened by long-term use or deformation of the wood according to the change of the atmospheric moisture content, the structure can be continuously tensioned by tightening the screw 24;
the person sits on the seat board 1, the hand of the person leans against the lifting table 3 which is lifted, the scene of reading is shown, and meanwhile, the U-shaped bracket with radian at the bottom can be seen to be used as a pedal;
when the extension leg 4 is installed and supported in the vertical direction and the lifting platform 3 is not lifted, the product is a common stool; the lifting platform 3 is lifted to become a chair with a small table, and the extension leg 4 is arranged in the horizontal direction to immediately become a toy similar to a wooden horse, and at this time, the lifting platform 3 can be used as a handle.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A variable-length child furniture with lifting function, comprising a seat plate (1) and a bracket system (2) connected with the seat plate, and further comprising a lifting table (3), wherein the bracket system (2) comprises a fixed part (21) and a sliding part (22) connected with the fixed part, the fixed part (21) comprises a front frame (211), a rear frame (212) and a reinforcing rod (213) which is symmetrically arranged and is used for connecting the front frame (211) and the rear frame (212), the sliding part (22) is provided with a first slide way (221) and a second slide way (222), the lifting table (3) is provided with a table top (31), a first slide bar (34) and a second slide bar (32) are connected under the table top (31), the first slide bar (34) is movably connected with the first slide way (221), the second slide bar (32) is movably connected with the second slide way (222), and the seat plate (1) is fixedly connected with the fixed part (21) and the second slide way (222), and the lifting table (3) can move relative to the lower bracket (2) under the sliding part (22); the symmetrical arrangement of the front frame (211) and the rear frame (212) is a U-shaped bracket, the bottoms of the front frame (211) and the rear frame (212) are arc-shaped, the bottom of the seat board (1) is connected with a second slide way (222), the second slide way (222) comprises a first slide groove (2221) and a second slide groove (2222) which are oppositely arranged, a baffle plate (214) is further arranged on the bracket system (2), the first slide way (221) is arranged in the baffle plate (214), the second slide bar (32) is slidably connected with an opening groove of the seat board (1) and extends into a second slide way (222) between the first slide groove (2221) and the second slide groove (2222), the two sides of the bottom of the front frame (211) and the rear frame (212) are respectively provided with an extension leg (4), the middle part of the lower end of the lifting platform (3) is connected with a first slide bar (34), the middle part of the side of the lifting platform (3) is connected with a second slide bar (32), the middle part of the right side of the baffle plate (214) is provided with a second slide bar (321) which is slidably connected with the first slide groove (34) and extends into the second slide groove (32) between the second slide groove (222) and the second slide groove (1), go up and down sliding connection has locating pin board (322) and lower locating pin board (323) respectively in horizontal spout (321), the meshing is connected with gear (324) between last locating pin board (322) and lower locating pin board (323), first spout (2221) with be equipped with in second spout (2222) a plurality of groups and be used for grafting in locating pin board (322) and lower locating pin board (323) grafting groove (223) respectively, gear (324) are located the lower part inner chamber of second slide bar (32), and gear (324) accessible hardware (5) rotate, hardware (5) have the connecting rod connect in the centre of a circle middle part of gear (324), upper end surface when elevating platform (3) descend to the bottom and the upper end surface parallel and level of bedplate (1).
2. A variable growth type child furniture with lifting function according to claim 1, wherein: the utility model discloses a novel structure of a screw bolt, including frame (212) including back, front frame (212), back frame (212), front frame (211) with back frame (212) bottom is the arc of the same radian, front frame (211) with back frame (212) bottom both sides all are equipped with countersink (25) that are used for stretching into screw (24), front frame (211) with back frame (212) bottom both sides all are equipped with spliced eye (23) with countersink (25) intercommunication, spliced eye (23) are used for grafting metal connector (42), metal connector (42) set up in extension leg (4) with the one end that fixed part (21) are connected, be equipped with internal thread hole (43) that are used for spiro union screw (24) in metal connector (42).
3. A variable growth type child furniture with lifting function according to claim 1, wherein: a second reinforcing rod (2131) is connected between the front frame (211) and the rear frame (212); the upper end of the first slide bar (34) is provided with a clamping protrusion (33) at the connection part with the lower end of the tabletop (31), and the upper end of the baffle (214) is provided with a clamping groove (215) for clamping the clamping protrusion (33).
4. A variable growth type child furniture with lifting function according to claim 1, wherein: the second slide bar (32) at the middle part of the side edge of the lifting table (3) and the lifting table (3) are integrally formed, the second slide bar (32) and the first slide bar (34) are arranged in parallel, and a reinforcement (35) is connected between the second slide bar (32) and the first slide bar (34).
5. A variable growth type child furniture with lifting function according to claim 1, wherein: the hardware (5) is one of an inner hexagon bolt, an outer hexagon bolt, a straight bolt, a cross bolt or a hand wheel.
6. A variable growth type child furniture with lifting function according to claim 1, wherein: a reinforcement rod (41) is connected between the front frame (211) and the extension leg (4) of the rear frame (212).
7. A variable growth type child furniture with lifting function according to claim 2, wherein: the metal connector (42) and the extension leg (4) are integrally formed, the end face of the extension leg (4) connected with the front frame (211) or the rear frame (212) is an inclined end face of 45 degrees, so that the extension leg (4) can be transversely installed on the front frame (211) and the rear frame (212), can also be longitudinally installed on the front frame (211) and the rear frame (212), when the extension leg (4) is transversely installed on the front frame (211) and the rear frame (212), the swing amplitude of furniture can be enlarged to prevent the furniture from toppling, and when the extension leg (4) is longitudinally installed on the front frame (211) and the rear frame (212), the furniture can be enabled to be stable through four supporting points to land, and the overall height of the furniture is increased.
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| CN201910680157.6A CN110301786B (en) | 2019-07-26 | 2019-07-26 | Variable growth type children furniture with lifting function |
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| CN201910680157.6A CN110301786B (en) | 2019-07-26 | 2019-07-26 | Variable growth type children furniture with lifting function |
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| CN110301786B true CN110301786B (en) | 2024-03-22 |
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| CN211048916U (en) * | 2019-07-26 | 2020-07-21 | 华南农业大学 | Variable growth type children furniture with lifting function |
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|---|---|---|---|---|
| JP2013192923A (en) * | 2012-03-19 | 2013-09-30 | Tadashi Inazuki | Furniture for child |
| DE102013001082A1 (en) * | 2013-01-23 | 2014-07-24 | Roland Fischer | Winding type changeable desk for use as e.g. tray, has tabletop that is releasably fixed with side elements at narrow sides such that table top is optionally fastened in horizontal or vertical use-positions |
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| CN110301786A (en) | 2019-10-08 |
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