CN112932126B - Improved household dining chair - Google Patents
Improved household dining chair Download PDFInfo
- Publication number
- CN112932126B CN112932126B CN202110389408.2A CN202110389408A CN112932126B CN 112932126 B CN112932126 B CN 112932126B CN 202110389408 A CN202110389408 A CN 202110389408A CN 112932126 B CN112932126 B CN 112932126B
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- plate
- fixedly connected
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- ladder
- seat body
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- 238000001125 extrusion Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 3
- 244000309464 bull Species 0.000 claims 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 230000000087 stabilizing effect Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 230000009194 climbing Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 239000010794 food waste Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007105 physical stamina Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002023 wood Substances 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
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/62—Accessories for chairs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- 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
- A47D11/02—Chairs convertible into children's chairs
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- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Special Chairs (AREA)
Abstract
The invention discloses an improved household dining chair in the technical field of household dining chairs, which comprises a chair body, wherein a U-shaped fixing plate is fixedly connected to the bottom of the chair body, a first stepped plate is connected to the inner side wall of the bottom of the U-shaped fixing plate in a sliding manner, and a second stepped plate is connected to the inner side wall of the first stepped plate in a sliding manner; according to the dining chair, when a child needs to use the dining chair for dining, the second step plate is moved forwards by the pulling handle, the second step plate and the first step plate slide forwards to be unfolded, and the first step plate is positioned by the positioning plugboard, so that the first step plate and the second step plate are prevented from sliding in the use process, the stability of the chair body is ensured, and the child can use the dining chair more safely.
Description
Technical Field
The invention relates to the technical field of household dining chairs, in particular to an improved household dining chair.
Background
The dining chair is a seat with a backrest and armrests, is used for sitting in ancient places, has no chair, is a wood name, is used for dining in modern families, and has the characteristics of comfort and convenience.
The prior art discloses the invention patent in the aspect of part CN201810662796.5, and the chinese patent of patent application number is CN201810662796.5 discloses a domestic dining chair, including dining chair main part, handrail and cushion, the front side of supporting the body frame and the equal fixedly connected with handrail of opposite side, the bottom fixedly connected with cushion of handrail, the front swing joint of open-ended has the extension board, and the extension board is through being connected with the gasket is nested with the opening, the bottom fixedly connected with abrasionproof pad of supporting legs, and the abrasionproof pad has seted up four.
The household dining chairs used by each household in the prior art are basically of the same type, namely, the household dining chairs are identical in shape, and most of the household dining chairs are relatively high in distance from the ground to meet the needs of adults, so that the dining chairs are not used by children every time of dining, and the dining of the children is inconvenient.
Based on the above, the invention designs an improved household dining chair to solve the above problems.
Disclosure of Invention
The invention aims to provide an improved household dining chair, which aims to solve the problems that in the prior art, the household dining chairs used by every family are basically of the same type, namely the household dining chairs have the same shape, most of the household dining chairs are relatively high away from the ground to meet the needs of adults, and the dining chairs are not used by children every time of dining, so that the dining of the children is inconvenient.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an improved generation dining chair for home, includes the seat body, seat body bottom fixedly connected with U type fixed plate, sliding connection has first ladder board on the inside wall of U type fixed plate bottom, sliding connection has the second ladder board on the inside wall of first ladder board, first ladder board with equal fixedly connected with guard plate in second ladder board top, the first dog of U type fixed plate bottom fixedly connected with, fixedly connected with pull handle on the preceding lateral wall of second ladder board, U type fixed plate with all be connected with the positioning mechanism who is used for the location guard plate on the outer lateral wall of first ladder board, all fixedly connected with guide sliding sleeve on the back lateral wall of two landing legs of seat body's bottom front side, guide sliding connection has the sliding leg in inside the guide sliding connection, two equal fixedly connected with non-skid block in sliding leg bottom, the joint has first connecting block on the outer lateral wall of two first connecting block bottom fixedly connected with first landing leg, two the bottom of the first connecting block is connected with pull rod, two the equal fixedly connected with spring support frame of two outer side, two the two outer side of the first landing rod fixedly connected with L fixedly connected with support frames of two, two the top of two seat body's bottom fixedly connected with each other, two top of two support frames are connected with each other on the two side of the first landing rods fixedly connected with L, the bottom ends of the two first pull ropes bypass the first guide wheel and are fixedly connected to the rear side wall of the second connecting block;
the positioning mechanism comprises a positioning plugboard, one end of the positioning plugboard penetrates through a U-shaped fixed plate and is in sliding connection with the U-shaped fixed plate, a second connecting plate is fixedly connected to the other end of the positioning plugboard, a first spring is fixedly connected between the second connecting plate and the U-shaped fixed plate, blocking blocks are fixedly connected to the upper side wall and the lower side wall of the positioning plugboard, the blocking blocks are in contact with the outer side wall of the U-shaped fixed plate, and extrusion grooves are formed in the left side and the right side of the protection plate and are used for extruding the positioning plugboard;
when the dining chair is used, the first step plate and the second step plate are positioned at the bottom of the seat body, when a child needs to use the dining chair for dining, the second step plate is pulled by pulling the handle to slide forwards along the inner side of the first step plate, when the second step plate slides forwards, the protection plate is driven to move forwards, when the extrusion groove at the front side of the protection plate is contacted with the positioning plugboard, the positioning plugboard is extruded, the positioning plugboard is moved outwards, the first spring is stretched, the protection plate can pass through the positioning plugboard, when the protection plate moves forwards to separate from the positioning plugboard, the protection plate is propped against by the first stop block, the positioning plugboard is tensioned by the first spring and slides into the inner side of the second ladder plate again, the protection plate and the second ladder plate are positioned, the second ladder plate is prevented from sliding when a person uses, then the pulling handle is continuously pulled outwards, the protection plate extrudes the first stop block to drive the first ladder plate above the first stop block to slide forwards along the U-shaped fixed plate, the action of the second ladder plate is repeated, the first ladder plate is pulled to stretch, a climbing ladder is formed between the first ladder plate and the second ladder plate, a child can sit on a household dining chair from the tops of the stretched first ladder plate and the second ladder plate, when the protection plate at the rear of the second ladder plate moves forwards, the second connecting block pulls the first pull rope to enable the pulling plate to move downwards to drive the two sliding support legs to slide downwards along the guiding sliding sleeve, the sliding support legs extend out and are supported on the front side of the dining chair, the phenomenon that a child falls over when the first ladder plate and the second ladder plate rise is avoided, the integral stability of the dining chair is ensured, after dining is finished, the first ladder plate and the second ladder plate need to be retracted below the chair body, the chair body is prevented from being occupied by the first ladder plate and the second ladder plate, the positioning insertion plate is driven to move outwards through pulling the second connecting plate on the outer side of the first ladder plate, the positioning insertion plate is separated from the protection plate, the protection plate can move backwards at the moment, then the second ladder plate is pushed backwards through the pulling handle, the second ladder plate slides into the bottom of the first ladder plate, in addition, when the second ladder plate and the protection plate move backwards, the tensioning of the first pull rope is released, the chair body is slowly taken in under the action of the gas spring by the two sliding support legs, the space occupation is avoided, then, the second connecting plates at the two sides of the U-shaped fixing plate at the top are pulled to separate the two positioning plugboards at the top from the protection plate of the first ladder plate, the second ladder plate drives the first ladder plate to move backwards together, and finally returns to the original position, so that the first ladder plate and the second ladder plate are completely retracted into the bottom of the seat body, more space is avoided, the second ladder plate is enabled to move forwards by using the pulling handle when a child needs to use the dining chair each time, the second ladder plate is extruded and passes over the positioning plugboards to be positioned by the positioning plugboards, and then is pulled forwards continuously, the second ladder plate drives the first ladder plate to slide forwards along the U-shaped fixing plate through the first stop block, and similarly, the first ladder plate is positioned by the positioning plugboards, so that the first ladder plate and the second ladder plate are prevented from sliding in the use process, the safety of whole equipment is guaranteed, and when second step board moved forward, pulling first stay cord drove pulling board and two slip landing legs and stretch out to the front side of seat body, support in the bottom of two step boards to form a whole with the seat body, avoid when using two step boards to go up the seat body and take place to empty, guarantee the stability of seat body, safer when messenger child uses the seat of having dinner.
As a further scheme of the invention, the rear side walls of the two second connecting plates on the left side are fixedly connected with first L-shaped rack plates, the rear side walls of the two second connecting plates on the right side are fixedly connected with second L-shaped rack plates, the second L-shaped rack plates are positioned on the front side of the first L-shaped rack plates, the U-shaped fixing plates and the rear side walls of the first step plates are fixedly connected with third connecting blocks, the bottoms of the two third connecting blocks are respectively and rotatably connected with a second rotating rod, the outer surfaces of the two second rotating rods are respectively and fixedly connected with gears, and the gears are meshed with the first L-shaped rack plates and the second L-shaped rack plates; during operation, because need pull out simultaneously two location picture peg and guard plate break away from at every turn, need personnel's both hands simultaneous operation, be inconvenient for personnel to promote the second cascade plate, through at every turn need pull out the second connecting plate of one side with the location picture peg, make the second connecting plate move outwards, drive first L type rack board and move outwards simultaneously, first L type rack board makes second L type rack board move to the opposite side through gear reversing, second L type rack board drives the second connecting block rather than fixed connection and moves outwards simultaneously, make with two second connecting plates of group can be when pulling any one of them, another homoenergetic is driven simultaneously and moves, make with two second connecting blocks of group can drive two location picture peg simultaneously and move outwards, break away from the guard plate, avoid personnel's both hands to operate the second connecting plate, make single can withdraw two cascade plates, and is convenient and fast.
As a further scheme of the invention, two second pull ropes are fixedly connected to the rear side wall of the protection plate above, a third rotating rod is jointly connected to the inner side wall of the two first connecting plates in a rotating way, two second guide wheels are fixedly connected to the outer surface of the third rotating rod, an L-shaped fixing frame is jointly and fixedly connected between two support legs at the rear side of the seat body and two L-shaped supporting frames, a fourth rotating rod is jointly and fixedly connected to the two L-shaped fixing frames, two third guide wheels are fixedly connected to the outer surface of the fourth rotating rod, a stabilizing plate is jointly and fixedly connected between the support legs at the two sides of the rear side of the bottom of the seat body, the rear ends of the two second pull ropes bypass the second guide wheels and the third guide wheels and penetrate through the stabilizing plate, a baffle disc is fixedly connected to the rear ends of the two second pull ropes, two second springs are jointly and fixedly connected between the baffle disc and the stabilizing plate, and the two second springs are respectively sleeved on the outer surfaces of the two second pull ropes; during operation, because first step board and second step board are in unsettled state, for guaranteeing the steadiness of seat body, avoid the seat to appear the phenomenon of overturning, through fixedly connected with's second stay cord on the guard plate back lateral wall at top, when first step board and guard plate move forward at every turn, through the second stay cord pulling baffle earlier the tray and remove, compress the second spring, after the second spring is compressed to a certain extent, the baffle that the second stay cord drove begins the rear two landing legs of taut seat body bottom, forward slope when messenger's seat body originally is used by the personnel can cushion, and the second stay cord exists elasticity, in guard plate duration forward side movement in-process, the second stay cord is to steadiness board and tensioning force are increasingly big, make the seat body physical stamina more firm, the security when guaranteeing child and using dining seat.
As a further scheme of the invention, the top ends of the two sliding support legs are fixedly connected with plug-in blocks, the bottom of the first connecting plate is provided with a plug-in interface, and the plug-in blocks are used for being inserted into the plug-in interface to be in butt joint with the first connecting plate when the sliding support legs are retracted; during operation, because the support of two slip landing legs is lacking to the seat body when the slip landing leg shrink seat body, can reduce its holistic firm, through at slip landing leg top fixedly connected with grafting piece, when slip landing leg retract seat body bottom, the grafting piece at its top is driven to the slip landing leg is pegged graft in the inside of first connecting plate, can form the triangle with between first connecting plate and the seat plate body, strengthens the intensity of seat body, avoids the seat to be damaged by the extrusion of heavy object.
As a further scheme of the invention, the tops of the first step plate and the second step plate are respectively provided with an anti-skid groove; during operation, because child is rising when using first riser and second riser, first riser and second riser top probably remain food waste, easily lead to the child to slide down, through having seted up anti-skidding groove at first riser and second riser top, utilize anti-skidding groove to strengthen the frictional force of child and first riser and second riser, avoid the child to slide down when using first riser and second riser.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the dining chair, when a child needs to use the dining chair for dining, the second step plate moves forwards by utilizing the pulling handle, is extruded and passes through the positioning plugboard and is positioned by the positioning plugboard, and then is pulled forwards continuously, the second step plate drives the first step plate to slide forwards along the U-shaped fixed plate through the first stop block, and the first step plate is positioned by utilizing the positioning plugboard, so that the first step plate and the second step plate are prevented from sliding in the using process, the safety of the whole device is ensured, and when the second step plate moves forwards, the first pull rope is pulled to drive the pulling plate and the two sliding supporting legs to extend towards the front side of the chair body, the pulling plate and the two sliding supporting legs are supported at the bottoms of the two step plates and form a whole with the chair body, so that the chair body is prevented from tilting when the two step plates are used, the stability of the chair body is ensured, and the child is safer when using the dining chair.
2. According to the invention, when the positioning plugboard is required to be pulled out each time, only one hand is required to pull the second connecting plate on one side, so that the second connecting plate moves outwards, the first L-shaped rack plate is driven to move outwards simultaneously, the first L-shaped rack plate is subjected to gear reversing to enable the second L-shaped rack plate to move towards the other side, the second L-shaped rack plate drives the second connecting block fixedly connected with the second L-shaped rack plate to move outwards simultaneously, when any one of the two second connecting plates in the same group is pulled, the other second connecting plate can be simultaneously driven to move, the two positioning plugboards in the same group can be simultaneously driven to move outwards, and the protection plates are prevented from being separated from each other, so that a person can retract the two step plates by two hands, and the safety and convenience are realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a first perspective view of the overall structure of the present invention;
FIG. 2 is a second perspective view of the overall structure of the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 2 at A;
FIG. 4 is a third perspective view of the general structure of the present invention (concealing the first connecting plate, L-shaped mount and second pull cord);
FIG. 5 is a fifth perspective view of the overall structure of the present invention;
FIG. 6 is a schematic view of the first step plate and shield plate of the present invention as they are retracted;
FIG. 7 is a schematic view showing the structure of the first step plate and the guard plate of the present invention when they are unfolded;
FIG. 8 is a schematic view of a first stair plate structure according to the present invention;
fig. 9 is an enlarged view of the structure at B in fig. 8.
In the drawings, the list of components represented by the various numbers is as follows:
the seat body 1, the U-shaped fixed plate 2, the first step plate 3, the second step plate 4, the protection plate 5, the first stop block 6, the pull handle 7, the guide sliding sleeve 8, the sliding support leg 9, the anti-skid block 10, the first connecting plate 11, the first connecting block 12, the gas spring 13, the pulling plate 14, the first pull rope 15, the L-shaped supporting frame 16, the first rotating rod 17, the first guide wheel 18, the second connecting block 19, the locating plugboard 20, the second connecting plate 21, the first spring 22, the blocking block 23, the extrusion groove 24, the first L-shaped toothed plate 25, the second L-shaped toothed plate 26, the third connecting block 27, the second rotating rod 28, the gear 29, the second pull rope 30, the third rotating rod 31, the second guide wheel 32, the L-shaped fixing frame 33, the fourth rotating rod 34, the third guide wheel 35, the stabilizing plate 36, the blocking disc 37, the second spring 38, the plug-in block 39, the plug-in interface 40 and the anti-skid groove 41.
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. 1-9, the present invention provides a technical solution: an improved household dining chair comprises a chair body 1, wherein the bottom of the chair body 1 is fixedly connected with a U-shaped fixed plate 2, the inner side wall of the bottom of the U-shaped fixed plate 2 is connected with a first stepped plate 3 in a sliding manner, the inner side wall of the first stepped plate 3 is connected with a second stepped plate 4 in a sliding manner, the tops of the first stepped plate 3 and the second stepped plate 4 are fixedly connected with a protection plate 5, the bottom of the U-shaped fixed plate 2 is fixedly connected with a first stop block 6, the front side wall of the second stepped plate 4 is fixedly connected with a drawing handle 7, the outer side walls of the U-shaped fixed plate 2 and the first stepped plate 3 are respectively connected with a positioning mechanism for positioning the protection plate 5, the rear side walls of the two support legs of the front side of the bottom of the chair body 1 are respectively fixedly connected with a guide sliding sleeve 8, the inner parts of the guide sliding sleeve 8 are respectively connected with a sliding support leg 9, the bottoms of the two sliding support legs 9 are respectively fixedly connected with an anti-skid block 10, a first connecting plate 11 is fixedly connected between the front supporting leg and the rear supporting leg of the seat body 1, first connecting blocks 12 are fixedly connected to the outer side walls of the two first connecting plates 11, gas springs 13 are fixedly connected to the bottoms of the two first connecting blocks 12, the bottom ends of the gas springs 13 are fixedly connected to the outer side walls of the sliding supporting legs 9, pulling plates 14 are fixedly connected to the top ends of the two sliding supporting legs 9, first pull ropes 15 are fixedly connected to the bottoms of the pulling plates 14, L-shaped supporting frames 16 are fixedly connected to the rear side walls of the two supporting legs on the front side of the seat body 1, first rotating rods 17 are fixedly connected between the two L-shaped supporting frames 16 in a rotating mode, first guide wheels 18 which are symmetrically arranged are fixedly connected to the first rotating rods 17, two second connecting blocks 19 are fixedly connected to the bottoms of the second step plates 4, the bottom ends of the two first pull ropes 15 bypass the first guide wheels 18 and are fixedly connected to the rear side wall of the second connecting block 19;
the positioning mechanism comprises a positioning plugboard 20, one end of the positioning plugboard 20 penetrates through the U-shaped fixed plate 2 and is in sliding connection with the U-shaped fixed plate, the other end of the positioning plugboard 20 is fixedly connected with a second connecting plate 21, a first spring 22 is fixedly connected between the second connecting plate 21 and the U-shaped fixed plate 2, blocking blocks 23 are fixedly connected to the upper side wall and the lower side wall of the positioning plugboard 20, the blocking blocks 23 are in contact with the outer side wall of the U-shaped fixed plate 2, extrusion grooves 24 are formed in the left side and the right side of the protection plate 5, and the extrusion grooves 24 are used for extruding the positioning plugboard 20;
in operation, since the home dining chairs used in each household in the prior art are basically of the same type, namely the shapes of the home dining chairs are the same, most of the home dining chairs are relatively high from the ground in order to meet the needs of adults, the dining of children is inconvenient without using the dining chairs each time the children eat, the invention provides a technical scheme for solving the problems, in the use of the invention, the first step plate 3 and the second step plate 4 are positioned at the bottom of the seat body 1, when the children need to eat the dining chairs, the second step plate 4 is pulled by pulling the handle to slide forward along the inner side of the first step plate 3, when the second step plate 4 slides forward, the protection plate 5 is driven to move forward, when the extrusion groove 24 at the front side of the protection plate 5 contacts with the positioning insertion plate 20, the positioning insertion plate 20 is extruded, the positioning insertion plate 20 is driven to move outwards, the first spring 22 is stretched to enable the protection plate 5 to pass through the positioning plugboard 20, when the protection plate 5 moves forwards to be separated from the positioning plugboard 20, the protection plate 5 is propped against the first stop block 6, meanwhile, the positioning plugboard 20 is tensioned by the first spring 22 and slides into the inner side of the second step board 4 again, the protection plate 5 and the second step board 4 are positioned to prevent the second step board 4 from sliding when people use, then the pulling handle 7 is pulled outwards continuously, the protection plate 5 presses the first stop block 6 to drive the first step board 3 above the first step board 3 to slide forwards along the U-shaped fixed board 2, the action of the second step board 4 is repeated, the first step board 3 is pulled to stretch, a climbing step is formed with the second step board 4, a child can sit on a dining chair from the top of the stretched first step board 3 and the second step board 4, and when the protection plate 5 behind the second step board 4 moves forwards, the first pull rope 15 is pulled by the second connecting block 19 to enable the pulling plate 14 to move downwards, the two sliding supporting legs 9 are driven to slide downwards along the guide sliding sleeve 8, the sliding supporting legs 9 extend out and are supported on the front side of the dining chair, the phenomenon that a child falls over on a dining ladder when the first ladder plate 3 and the second ladder plate 4 are used for ascending is avoided, the integral stability of the dining chair is ensured, when dining is completed, the first ladder plate 3 and the second ladder plate 4 need to be retracted below the chair body 1, a large space is avoided, the second connecting plate 21 outside the first ladder plate 3 is pulled to drive the positioning inserting plate 20 to move outwards, the positioning inserting plate 20 is separated from the protection plate 5, the protection plate 5 can move backwards at the moment, then the second ladder plate 4 is pushed backwards by the pulling handle 7, the second ladder plate 4 slides into the bottom of the first ladder plate 3, and when the second step plate 4 and the protection plate 5 move backward, the tension on the first pull rope 15 is released, the two sliding support legs 9 are slowly retracted into the seat body 1 under the action of the gas springs 13, the space occupied by the sliding support legs 9 is avoided, then, the second connecting plates 21 at the two sides of the U-shaped fixing plate 2 at the top are pulled, so that the two positioning plugboards 20 at the top are separated from the protection plate 5 of the first step plate 3, the second step plate 4 is continuously pushed backward, the second step plate 4 drives the first step plate 3 to move backward together, finally, the second step plate 4 returns to the original position, the first step plate 3 and the second step plate 4 are completely retracted into the bottom of the seat body 1, more space is avoided, so that when a child needs to use a dining chair at each time, the second step plate 4 is moved forward by using the pulling handle 7, and the positioning plugboards 20 are extruded, finally, the first ladder plate 3 is driven by the locating plugboard 20 to be located and then pulled forwards continuously by the second ladder plate 4 through the first stop block 6 to slide forwards along the U-shaped fixed plate 2, the locating plugboard 20 is utilized to locate the first ladder plate 3, the first ladder plate 3 and the second ladder plate 4 are prevented from sliding in the using process, the safety of the whole equipment is guaranteed, when the second ladder plate 4 moves forwards, the first pull rope 15 is pulled to drive the pulling plate 14 and the two sliding supporting legs 9 to extend out to the front side of the seat body 1, the pulling plate 14 and the two sliding supporting legs 9 are supported at the bottoms of the two ladder plates and form a whole with the seat body 1, the seat body 1 is prevented from toppling when the two ladder plates are used, the stability of the seat body 1 is guaranteed, and the child is safer when using the dining seat.
As a further scheme of the invention, the rear side walls of the left two second connecting plates 21 are fixedly connected with first L-shaped rack plates 25, the rear side walls of the right two second connecting plates 21 are fixedly connected with second L-shaped rack plates 26, the second L-shaped rack plates 26 are positioned at the front sides of the first L-shaped rack plates 25, the U-shaped fixed plates 2 and the rear side walls of the first stepped plates 3 are fixedly connected with third connecting blocks 27, the bottoms of the two third connecting blocks 27 are respectively and rotatably connected with a second rotating rod 28, the outer surfaces of the two second rotating rods 28 are respectively and fixedly connected with gears 29, and the gears 29 are meshed with the first L-shaped rack plates 25 and the second L-shaped rack plates 26; during operation, because each time need extract two location picture peg 20 simultaneously and break away from with guard plate 5, need personnel's both hands simultaneous operation, be inconvenient for personnel to promote second step board 4, through the second connecting plate 21 of only needing one hand pulling one side at each time need extract location picture peg 20, make second connecting plate 21 outside remove, drive first L type rack board 25 and remove outside simultaneously, first L type rack board 25 makes second L type rack board 26 remove to the opposite side through gear 29 switching-over, second L type rack board 26 drives the second connecting block 19 with its fixed connection and removes outside simultaneously, make with two second connecting plates 21 of group can be when pulling any one of them, another homoenergetic is driven simultaneously and is removed, make with two second connecting blocks 19 of group can drive two location 20 outside simultaneously, break away from guard plate 5, avoid personnel's operation second connecting plate 21, make single person can withdraw two step boards, and is convenient and fast.
As a further scheme of the invention, two second pull ropes 30 are fixedly connected to the rear side wall of the upper protection plate 5, a third rotating rod 31 is connected to the inner side wall of the two first connecting plates 11 in a common rotation mode, two second guide wheels 32 are fixedly connected to the outer surface of the third rotating rod 31, an L-shaped fixing frame 33 is fixedly connected between two support legs at the rear side of the seat body 1 and the two L-shaped supporting frames 16 in a common rotation mode, a fourth rotating rod 34 is connected to the two L-shaped fixing frames 33 in a common rotation mode, two third guide wheels 35 are fixedly connected to the outer surface of the fourth rotating rod 34, a stabilizing plate 36 is fixedly connected to the support legs at the two sides at the rear side of the bottom of the seat body 1 in a common rotation mode, the rear ends of the two second pull ropes 30 bypass the second guide wheels 32 and the third guide wheels 35 and penetrate through the stabilizing plate 36, a baffle disc 37 is fixedly connected to the rear ends of the two second pull ropes 30, two second springs 38 are fixedly connected between the baffle disc 37 and the stabilizing plate 36, and the two second springs 38 are sleeved on the outer surfaces of the two second pull ropes 30 respectively; during operation, as the first step plate 3 and the second step plate 4 are in a suspended state, the phenomenon of overturning of the seat is avoided in order to ensure the stability of the seat body 1, the second pull rope 30 fixedly connected to the rear side wall of the protection plate 5 at the top is used, when the first step plate 3 and the protection plate 5 move to the front side each time, the baffle disc 37 is pulled to move forwards through the second pull rope 30, the second spring 38 is compressed, after the second spring 38 is compressed to a certain degree, the baffle disc 37 driven by the second pull rope 30 starts to tighten the rear two support legs at the bottom of the seat body 1, the forward inclination of the seat body 1 originally used by a person is buffered, the second pull rope 30 has elasticity, and the second pull rope 30 is more and more stable to the stability plate 36 and the tightening force in the continuous forward side moving process of the protection plate 5, so that the seat body 1 can be more stable, and the safety of a child when the child uses the seat is ensured.
As a further scheme of the invention, the top ends of the two sliding support legs 9 are fixedly connected with plug-in blocks 39, the bottom of the first connecting plate 11 is provided with plug-in interfaces 40, and the plug-in blocks 39 are used for being inserted into the plug-in interfaces 40 to be in butt joint with the first connecting plate 11 when the sliding support legs 9 are retracted; during operation, because the support of two slip landing legs 9 is lacking in the seat body 1 when the slip landing leg 9 is retracted into the seat body 1, the overall stability of the seat body 1 can be reduced, through fixedly connected with plug 39 at the top of the slip landing leg 9, when the slip landing leg 9 is retracted into the bottom of the seat body 1, the plug 39 at the top of the slip landing leg 9 is driven to be plugged into the first connecting plate 11, the triangle can be formed between the first connecting plate 11 and the seat plate body, the strength of the seat body 1 is enhanced, and the seat is prevented from being extruded and damaged by heavy objects.
As a further scheme of the invention, the tops of the first step plate 3 and the second step plate 4 are provided with anti-skid grooves 41; during operation, because the child is ascending when using first ladder plate 3 and second ladder plate 4, first ladder plate 3 and second ladder plate 4 top probably remain food waste, easily lead to the child to slide down, through having seted up anti-skidding groove 41 at first ladder plate 3 and second ladder plate 4 top, utilize anti-skidding groove 41 to strengthen the child and the frictional force of first ladder plate 3 and second ladder plate 4, avoid the child to slide down when using first ladder plate 3 and second ladder plate 4.
Working principle: when the invention is used, the first step plate 3 and the second step plate 4 are positioned at the bottom of the seat body 1, when a child needs to use a dining chair to eat, the second step plate 4 is pulled by pulling the handle to slide forward along the inner side of the first step plate 3, when the second step plate 4 slides forward, the protection plate 5 is driven to move forward, when the extrusion groove 24 on the front side of the protection plate 5 is contacted with the positioning plugboard 20, the positioning plugboard 20 is extruded to move outwards, the first spring 22 is stretched, the protection plate 5 can pass through the positioning plugboard 20, when the protection plate 5 moves forward and moves away from the positioning plugboard 20, the protection plate 5 is propped by the first stop block 6, meanwhile, the positioning plugboard 20 is pulled by the first spring 22 to slide into the inner side of the second step plate 4 again, the protection plate 5 and the second step plate 4 are positioned, and the second step plate 4 is prevented from sliding when the person uses the seat, then, the pulling handle 7 is pulled outwards continuously, the protection plate 5 extrudes the first stop block 6 to drive the first stepped plate 3 above the first stop block to slide forwards along the U-shaped fixed plate 2, the action of the second stepped plate 4 is repeated, the first stepped plate 3 is pulled to stretch and form a climbing step with the second stepped plate 4, a child can sit on the dining chair from the tops of the stretched first stepped plate 3 and the second stepped plate 4, when the protection plate 5 behind the second stepped plate 4 moves forwards, the first pull rope 15 is pulled by the second connecting block 19 to enable the pulling plate 14 to move downwards to drive the two sliding support legs 9 to slide downwards along the guide sliding sleeve 8, the sliding support legs 9 extend out and are supported on the front side of the dining chair, and the phenomenon that the dining step is overturned when the child ascends by using the first stepped plate 3 and the second stepped plate 4 is avoided, the integral stability of the dining chair is guaranteed, after dining is completed, the first step plate 3 and the second step plate 4 are required to be retracted below the chair body 1, the situation that the lower part occupies a large space is avoided, the second connecting plate 21 on the outer side of the first step plate 3 is pulled to drive the positioning plugboards 20 to move outwards, the positioning plugboards 20 are separated from the protection plates 5, the protection plates 5 can move backwards at the moment, then the second step plate 4 is pushed backwards through the pulling handle 7, the second step plate 4 slides into the bottom of the first step plate 3, in addition, when the second step plate 4 and the protection plates 5 move backwards, the tensioning of the first pull ropes 15 is released, the two sliding support legs 9 are slowly retracted into the chair body 1 under the action of the gas springs 13, the situation that the sliding support legs 9 occupy space is avoided, then the second connecting plates 21 on the two sides of the U-shaped fixing plates 2 on the top are pulled, the two positioning plugboards 20 on the top are separated from the protection plates 5 of the first step plate 3, the second step plate 4 is continuously pushed backwards, the second step plate 4 drives the first step plate 3 to move backwards, and finally the step plate 3 moves backwards, the first step plate 3 is retracted into the seat body, and the first step plate 1 is prevented from occupying more space completely.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (4)
1. An improved household dining chair comprises a seat body (1), and is characterized in that: the utility model discloses a seat, including seat body (1), U type fixed plate (2), sliding connection has first ladder board (3) on the inside wall of U type fixed plate (2) bottom, sliding connection has second ladder board (4) on the inside wall of first ladder board (3), first ladder board (3) with equal fixedly connected with guard plate (5) in second ladder board (4) top, first dog (6) of U type fixed plate (2) bottom fixedly connected with, fixedly connected with pull handle (7) on the preceding lateral wall of second ladder board (4), all be connected with the positioning mechanism who is used for location guard plate (5) on U type fixed plate (2) with on the lateral wall of first ladder board (3), all fixedly connected with direction sliding sleeve (8) on the back lateral wall of two landing legs of the bottom front side of seat body (1), two equal fixedly connected with slider (10) in slider (9) bottom, two front landing legs (1) are all fixedly connected with air spring (12) between two first connecting blocks (12) and two first connecting blocks (12) are all fixedly connected with on the first connecting blocks (12), the bottom end of the gas spring (13) is fixedly connected to the outer side wall of the sliding support leg (9), the top ends of the two sliding support legs (9) are fixedly connected with pulling plates (14) together, the bottoms of the pulling plates (14) are fixedly connected with first pull ropes (15), the rear side walls of the two support legs at the front side of the seat body (1) are fixedly connected with L-shaped support frames (16), the two L-shaped support frames (16) are fixedly connected with first rotating rods (17) in a rotating mode together, the first rotating rods (17) are fixedly connected with two symmetrically arranged first guide wheels (18), the bottoms of the second step plates (4) are fixedly connected with two second connecting blocks (19), and the bottom ends of the two first pull ropes (15) bypass the first guide wheels (18) and are fixedly connected to the rear side walls of the second connecting blocks (19);
the positioning mechanism comprises a positioning inserting plate (20), one end of the positioning inserting plate (20) penetrates through a U-shaped fixed plate (2) and is in sliding connection with the U-shaped fixed plate, a second connecting plate (21) is fixedly connected to the other end of the positioning inserting plate (20), a first spring (22) is fixedly connected between the second connecting plate (21) and the U-shaped fixed plate (2), blocking blocks (23) are fixedly connected to the upper side wall and the lower side wall of the positioning inserting plate (20), the blocking blocks (23) are in contact with the outer side wall of the U-shaped fixed plate (2), extrusion grooves (24) are formed in the left side and the right side of the protection plate (5), and the extrusion grooves (24) are used for extruding the positioning inserting plate (20);
the left side is two all fixedly connected with first L type rack board (25) on the lateral wall behind second connecting plate (21), the right side is two all fixedly connected with second L type rack board (26) on the lateral wall behind second connecting plate (21), second L type rack board (26) are located the front side of first L type rack board (25), U type fixed plate (2) with all fixedly connected with third connecting block (27) on the lateral wall behind first step board (3), two all rotate in third connecting block (27) bottom is connected with second bull stick (28), two all fixedly connected with gear (29) on second bull stick (28) surface, gear (29) are with first L type rack board (25) and second L type rack board (26) meshing.
2. An improved household dining chair as in claim 1, wherein: the top fixedly connected with two second stay ropes (30) on guard plate (5) rear side wall, two joint rotation is connected with third bull stick (31) on first connecting plate (11) inside wall jointly, fixedly connected with two second leading wheels (32) on third bull stick (31) surface, joint fixedly connected with L type mount (33) between two landing legs of seat body (1) rear side and two L type support frames (16), two joint rotation is connected with fourth bull stick (34) between L type mount (33), fixedly connected with two third leading wheels (35) of symmetrical arrangement on fourth bull stick (34), joint fixedly connected with firm board (36) between two landing legs of seat body (1) bottom rear side jointly, two second stay ropes (30) rear end are walked around second leading wheel (32) and third leading wheel (35) and are run through firm board (36), two equal fixedly connected with fender dish (37) in the rear end between second stay ropes (30), correspond baffle dish (37) and second spring (38) are established jointly and are fixed with between two second spring (38).
3. An improved household dining chair as in claim 1, wherein: two sliding support legs (9) are fixedly connected with plug-in blocks (39) at the top ends, plug-in interfaces (40) are formed in the bottoms of the first connecting plates (11), and the plug-in blocks (39) are used for being inserted into the plug-in interfaces (40) to be in butt joint with the first connecting plates (11) when the sliding support legs (9) are retracted.
4. An improved household dining chair as in claim 1, wherein: anti-skid grooves (41) are formed in the tops of the first step plate (3) and the second step plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110389408.2A CN112932126B (en) | 2021-04-12 | 2021-04-12 | Improved household dining chair |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110389408.2A CN112932126B (en) | 2021-04-12 | 2021-04-12 | Improved household dining chair |
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| CN112932126A CN112932126A (en) | 2021-06-11 |
| CN112932126B true CN112932126B (en) | 2023-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110389408.2A Active CN112932126B (en) | 2021-04-12 | 2021-04-12 | Improved household dining chair |
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| CN (1) | CN112932126B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108577351A (en) * | 2018-03-28 | 2018-09-28 | 戚腾丹 | A kind of children dinning chair |
| CN111870083A (en) * | 2020-09-10 | 2020-11-03 | 祝甜 | Children prevent dining chair that collides with adjustable height |
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2021
- 2021-04-12 CN CN202110389408.2A patent/CN112932126B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108577351A (en) * | 2018-03-28 | 2018-09-28 | 戚腾丹 | A kind of children dinning chair |
| CN111870083A (en) * | 2020-09-10 | 2020-11-03 | 祝甜 | Children prevent dining chair that collides with adjustable height |
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| CN112932126A (en) | 2021-06-11 |
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Effective date of registration: 20231113 Address after: 253000 East Head of Sunshine Street, Development Zone, Ningcheng Street, Ningjin County, Dezhou City, Shandong Province (Business premises: South side of Xiangjiang East Street and East side of Gongye Fourth Road, East New Area, Ningjin County, Dezhou City, Shandong Province) Applicant after: Shandong Dimei Furniture Co.,Ltd. Address before: No.5, 8, 9 and 10, the third industrial zone of Lecong community residents committee, Lecong Town, Shunde District, Foshan City, Guangdong Province, 528300 Applicant before: Foshan Shunde xinshitai Furniture Industry Co.,Ltd. |
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