CN113876148A - Multifunctional light and thin child dining chair - Google Patents
Multifunctional light and thin child dining chair Download PDFInfo
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- CN113876148A CN113876148A CN202110975745.XA CN202110975745A CN113876148A CN 113876148 A CN113876148 A CN 113876148A CN 202110975745 A CN202110975745 A CN 202110975745A CN 113876148 A CN113876148 A CN 113876148A
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- frame
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- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000000712 assembly Effects 0.000 claims abstract description 10
- 238000000429 assembly Methods 0.000 claims abstract description 10
- 230000009471 action Effects 0.000 claims description 22
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000005381 potential energy Methods 0.000 claims description 7
- 235000003166 Opuntia robusta Nutrition 0.000 description 8
- 244000218514 Opuntia robusta Species 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000000867 larynx Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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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
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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
- A47D1/006—Children's chairs dismountable
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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
- A47D1/008—Children's chairs with trays
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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
- A47D1/02—Foldable chairs
- A47D1/023—Foldable chairs of high chair type
Abstract
The invention relates to the technical field of dining chairs, in particular to a multifunctional light and thin child dining chair; the chair comprises a chair seat assembly and a chair frame, wherein the chair seat assembly comprises a chair plate and a back plate, connecting rod assemblies are arranged on two side edges of the chair plate, a handrail frame is arranged above the connecting rod assemblies, a gear sliding block capable of moving back and forth along the handrail frame is arranged on the handrail frame, the rear end of the gear sliding block is rotatably connected with the middle part of the back plate, and a gear locking mechanism is arranged between the gear sliding block and the handrail frame; the connecting rod assembly can be assembled on the chair frame in a vertically movable mode, a locking structure is arranged between the connecting rod assembly and the chair frame assembly so that the connecting rod assembly can be detachably connected with the chair frame, and a plurality of binding holes are formed in the seat plate and the back plate; the folding chair has reasonable structure, the chair seat assembly and the chair frame can be folded to form a thin plate structure, and the whole volume can be minimized so as to facilitate storage and transportation; the seat support subassembly can follow chair frame lift adjustment or dismantle and get off, and the seat support subassembly can be placed alone and use on other platforms, and it is nimble convenient to use, and function expansibility is strong.
Description
Technical Field
The invention relates to the technical field of dining chairs, in particular to a multifunctional light and thin child dining chair.
Background
The child dining chair is a special chair for young children to learn and participate in dining, and in order to prevent children (especially infants) from falling off from the chair seat when taking, the front armrests are usually required to be arranged, and the middle parts of the front armrests are provided with stopping parts which can separate the two feet of the children so as to avoid the phenomenon that the children fall off. There is also a safety requirement in european and american countries for the size of the front arm-rest of a child safety seat, requiring that the child's feet cannot be inserted into the same side of the stop at the same time. At present, the child dining chairs in the market are classified according to the materials, and can be divided into wooden dining chairs, plastic dining chairs, metal dining chairs, material mixed dining chairs and the like. The existing child dining chair has various structures and different functions, and besides safety performance, structural improvement of the child chair is usually based on a foldable function, so that the child chair can be deformed to reduce the size, the storage and transportation in a production circulation link are facilitated, and the occupied space of a user is reduced when the child dining chair is not used.
Chinese patent CN109875315A discloses a folding child dining chair, which comprises a seat board, wherein the rear part of the seat board is rotatably connected with a backrest frame, a dinner plate frame rotatably connected with the backrest frame is arranged above the seat board, X-shaped supports for supporting the seat board are arranged on two sides of the seat board, each X-shaped support comprises a front support and a rear support which are hinged with each other, the upper end of the front support is rotatably connected with the rear side of the seat board, the front side of the seat board is rotatably connected with a connecting sleeve, the upper end of the rear support is provided with a supporting rod, the supporting rod penetrates through the connecting sleeve and is rotatably connected with the dinner plate frame, one side of the dinner plate frame connected with the backrest frame is provided with a first accommodating cavity matched with the backrest frame, and the lower side of the front support is provided with a second accommodating cavity matched with the dinner plate frame; when the dining chair is folded, the backrest frame is folded and accommodated in the first accommodating cavity, and the dinner plate frame is folded and accommodated in the second accommodating cavity.
This patent inlays in the first intracavity that holds, the dinner plate frame wholly inlays in the second intracavity that holds through the back frame, can make children's dining chair fold and become a flat board, has that the focus is more steady, occupation space is less, move convenient effect. Seat and chair frame structure are articulated among this kind of current technical scheme, form normal running fit through a plurality of pin joints between the two and realize folding effect, and the dining chair can't be dismantled with the support, and overall structure when accomodating still has great thickness, uses the flexibility relatively poor.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
The invention aims to provide a multifunctional light and thin child dining chair which is reasonable in structure, convenient to use and strong in flexibility, aiming at the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the multifunctional light and thin child dining chair comprises a chair seat assembly and a chair frame, wherein the chair seat assembly comprises a seat plate and a back plate, connecting rod assemblies are arranged on two side edges of the seat plate, a handrail frame is arranged above the connecting rod assemblies, and the handrail frame, the connecting rod assemblies, the seat plate and the back plate are sequentially connected in a rotating mode; the handrail frame is provided with a gear slide block which can move back and forth along the handrail frame, the rear end of the gear slide block is rotatably connected with the middle part of the back plate, and a gear locking mechanism is arranged between the gear slide block and the handrail frame; the connecting rod component is matched and connected with the chair frame so as to enable the chair seat component to be installed on the chair frame.
According to the scheme, the upper end of the connecting rod assembly is rotatably connected with the middle part of the armrest frame through a first hinge shaft, the lower end of the connecting rod assembly is rotatably connected with the middle part of the seat plate through a second hinge shaft, and a locking device is arranged on the second hinge shaft; the rear end of the gear sliding block is rotatably connected with the middle of the back plate through a third hinge shaft, and the lower end of the back plate is rotatably connected with the rear end of the seat plate through a fourth hinge shaft.
According to the scheme, the locking device comprises a wheel rotating plate and an opening and closing bolt, the wheel rotating plate is arranged on two side edges of the middle part of the seat plate, and the lower end of the connecting rod assembly is rotatably connected with the wheel rotating plate through a second hinge shaft; a clamping groove is formed in the outer edge of the wheel rotating disc, a sliding groove matched with the clamping groove is formed in the connecting rod assembly, the opening and closing bolt is movably arranged in the sliding groove in a penetrating mode, and one end of the opening and closing bolt can be inserted into the clamping groove; and a locking spring is arranged between the sliding groove and the opening and closing bolt, the locking spring enables the opening and closing bolt to always have potential energy tending to the wheel rotating disc, and a switch handle is arranged at the other end of the opening and closing bolt.
According to the scheme, a gear cushion block is arranged in the armrest frame, a guide curved surface is arranged on the bottom surface of the gear cushion block, a bearing bottom plate is arranged below the gear cushion block at intervals, the bearing bottom plate is matched with the guide curved surface and is integrally formed with the armrest frame, and an arc-shaped slide rail channel is formed in an inner cavity of the armrest frame between the bearing bottom plate and the gear cushion block; the gear slide block is characterized in that a limiting shaft is arranged in the slide rail channel, two ends of the limiting shaft are fixedly connected with the armrest frame respectively, an arc-shaped guide groove is formed in the gear slide block, and the limiting shaft is movably arranged in the guide groove in a penetrating mode, so that the gear slide block can move back and forth along the slide rail channel.
According to the scheme, the gear locking mechanism comprises a gear cushion block, a gear bolt and a control knob, a plurality of gear holes are formed in the guide curved surface, an action hole is formed in the gear sliding block, and the upper end of the action hole penetrates through the gear sliding block to be matched with the gear holes; the gear bolt is movably arranged in the action hole in a penetrating mode, a gear spring is arranged between the action hole and the gear bolt, the gear spring enables the gear bolt to always have potential energy tending to the gear cushion block, and the upper end of the gear bolt can extend out of the action hole and is inserted into any one of the gear holes; the control knob is rotatably arranged on the third hinge shaft and is connected with the gear bolt through a pull rope so as to be integrally linked with the gear bolt.
According to the scheme, the reinforcing ribs are arranged on the back face of the back plate in a surrounding mode, and the rear end of the gear sliding block is rotatably connected with the side walls of the reinforcing ribs through the third hinge shaft; the lower end of the reinforcing rib is provided with two pivoting terminals, the rear end of the seat plate is provided with two bearing seats, and the pivoting terminals are rotatably connected with the corresponding bearing seats through a fourth hinge shaft.
According to the scheme, the chair frame comprises two opening and closing assemblies, the opening and closing assemblies are provided with a front supporting rod and a rear supporting rod, the connecting rod assembly is provided with a pipe hoop seat, the pipe hoop seat is provided with a hose hoop hole, the front supporting rod movably penetrates through the hose hoop hole, and a locking structure is arranged between the pipe hoop seat and the front supporting rod.
According to above scheme, the locking structure includes that shirking the key and spacing colluding the board, and the keyway has been seted up to one side of ferrule seat, and the keyway sets up with larynx hoop hole intercommunication, is equipped with the shirking key in the keyway, be equipped with spacing colluding the board on the shirking key, shirk key and spacing colluding the board and rotate through pivot and ferrule seat and be connected, seted up the jack on the lateral wall of support front rod, a plurality of jacks are along the axis of supporting the front rod interval setting in proper order, thereby and spacing colluding arbitrary jack that the board buckle can be connected on supporting the front rod makes ferrule seat and support front rod fixed connection.
According to above scheme, still include two extension rods, two the extension rod upper end can be dismantled with the support front boom lower extreme that corresponds respectively and be connected, is equipped with the connecting rod between two extension rods, the both ends of connecting rod respectively with the lower extreme fixed connection of two extension rods, all be equipped with a plurality of binding holes on bedplate and the backplate.
According to the scheme, the opening and closing assembly comprises a first pipe joint and a second pipe joint, the first pipe joint is fixedly connected with the upper end of the front support rod, and the second pipe joint is fixedly connected with the upper end of the rear support rod; the first pipe joint is rotationally connected with the second pipe joint through a concentric shaft, and a clutch mechanism is arranged between the first pipe joint and the second pipe joint; the clutch mechanism comprises a clutch key, a first shaft sleeve is arranged on the first pipe joint, a second shaft sleeve is arranged on the second pipe joint, the first shaft sleeve and the second shaft sleeve are arranged in a matching mode and are in rotary connection through a concentric shaft; all be equipped with the meshing tooth's socket on the opposite face of first axle sleeve and second axle sleeve, be equipped with the separation and reunion key on the concentric shaft, thereby the separation and reunion key can be connected with two meshing tooth's sockets cooperations between first axle sleeve and second axle sleeve reciprocating motion, be equipped with the control key on the second axle sleeve, the control key passes through the connecting rod and connects the separation and reunion key.
The invention has the beneficial effects that: the folding chair has reasonable structure, the chair seat assembly and the chair frame can be folded to form a thin plate structure, and the whole volume can be minimized so as to facilitate storage and transportation; the seat support subassembly can follow chair frame lift adjustment or dismantle and get off, and the seat support subassembly can be placed alone and use on other platforms, and it is nimble convenient to use, and function expansibility is strong.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the seat assembly of the present invention in an independent use condition;
FIG. 3 is a schematic view of a connecting rod assembly of the present invention in a disassembled configuration;
FIG. 4 is a side cross-sectional structural schematic view of the seat assembly of the present invention;
FIG. 5 is an enlarged sectional view of the portion A of FIG. 4;
FIG. 6 is a partial schematic view of the portion A in FIG. 4;
FIG. 7 is a schematic view of the overall structure of the invention after folding;
FIG. 8 is an exploded view of the chair frame and the opening/closing assembly of the present invention.
In the figure:
1. a seat assembly; 2. a chair frame; 3. a connecting rod assembly; 4. a handrail frame; 5. a first hinge axis; 6. a tray assembly; 7. a pedal baffle plate; 11. a seat plate; 12. a back plate; 13. binding holes; 14. a wheel turntable; 15. a card slot; 16. strengthening the muscles and bones; 17. a pivot terminal; 18. a bearing seat; 21. an opening and closing assembly; 22. supporting the front bar; 23. supporting the rear bar; 24. an extension rod; 25. a connecting rod; 26. a first pipe joint; 27. a second pipe joint; 28. concentric shafts; 29. a clutch key; 261. a first bushing; 262. engaging the tooth grooves; 271. a second shaft sleeve; 272. a control key; 31. opening and closing the bolt; 32. a pipe hoop seat; 33. a hose clamp hole; 34. key detachment; 35. a limiting hook plate; 36. a keyway; 37. a chute; 41. a gear slide block; 42. a gear cushion block; 43. a guide curved surface; 44. A bearing bottom plate; 45. a slide rail channel; 46. a limiting shaft; 47. a guide groove; 48. a gear bolt; 49. a control knob; 411. an action hole; 431. a gear hole; 51. a second hinge axis; 52. a third hinge shaft; 53. and a fourth hinge axis.
Detailed Description
The technical solution of the present invention is described below with reference to the accompanying drawings and examples.
As shown in fig. 1-8, the multifunctional light and thin child dining chair comprises a seat component 1 and a chair frame 2, wherein the seat component 1 comprises a seat plate 11 and a back plate 12, two side edges of the seat plate 11 are respectively provided with a connecting rod assembly 3, a handrail frame 4 is arranged above the connecting rod assembly 3, and the handrail frame 4, the connecting rod assembly 3, the seat plate 11 and the back plate 12 are sequentially connected in a rotating manner; a gear slide block 41 capable of moving back and forth along the armrest frame 4 is arranged on the armrest frame, the rear end of the gear slide block 41 is rotatably connected with the middle part of the back plate 12, and a gear locking mechanism is arranged between the gear slide block 41 and the armrest frame 4; the connecting rod assembly 3 is matched and connected with the chair frame 2 so as to enable the seat assembly 1 to be installed on the chair frame 2. The seat component 1 further comprises a dinner plate component 6 and a pedal baffle 7, two ends of the dinner plate component 6 are detachably mounted on the armrest frame 4, and the pedal baffle 7 is rotatably connected with the front end of the seat plate 11. Handrail frame 4 and link assembly 3 set up respectively in both sides and rotate and connect bedplate 11 and backplate 12, but bedplate 11 and backplate 12 relative rotation fold, and folding handrail frame 4 and link assembly 3 draw in seat support subassembly 1 both sides and bedplate 11 and backplate 12 coincidence after folding to make seat subassembly 1's thickness littleer more frivolous, be convenient for transport and accomodate. The back plate 12 adjusts the elevation angle of the back plate 12 on the seat plate 11 through the movement of the gear slide block 41 on the armrest frame 4, and the gear locking mechanism is arranged on the gear slide block 41, so that the structural integrity of the back plate 12 is prevented from being damaged, and the back plate 12 has a smooth plane without using a seat cover. Thereby link assembly 3 can follow the height of chair frame 2 activity from top to bottom in order to adjust seat support subassembly 1, be connected for dismantling between link assembly 3 and the chair frame 2 to make seat support subassembly 1 can be with the chair frame 2 partition, thereby seat support subassembly 1 can the independent utility expand children's dining chair's application range, promote the use flexibility.
The upper end of the connecting rod assembly 3 is rotatably connected with the middle part of the armrest frame 4 through a first hinge shaft 5, the lower end of the connecting rod assembly 3 is rotatably connected with the middle part of the seat plate 11 through a second hinge shaft 51, and a locking device is arranged on the second hinge shaft 51; the rear end of the gear slide block 41 is rotatably connected with the middle of the back plate 12 through a third hinge shaft 52, and the lower end of the back plate 12 is rotatably connected with the rear end of the seat plate 11 through a fourth hinge shaft 53. The first hinge shaft 5, the second hinge shaft 51, the third hinge shaft 52 and the fourth hinge shaft 53 are sequentially connected to form a parallelogram, the armrest frame 4, the connecting rod assembly 3, the seat plate 11 and the back plate 12 are sequentially connected in a rotating manner, and the side of the parallelogram formed by the components enables the seat component 1 to be integrally folded and furled, so that the thickness of the furled seat component 1 can be effectively reduced, the seat component is lighter and thinner, the transportation and the storage are convenient, and the use experience of a user is improved.
The locking device comprises a wheel rotating disc 14 and an opening and closing bolt 31, the wheel rotating disc 14 is arranged on two side edges of the middle part of the seat plate 11, and the lower end of the connecting rod component 3 is rotatably connected with the wheel rotating disc 14 through a second hinge shaft 51; a clamping groove 15 is formed in the outer edge of the wheel rotating disc 14, a sliding groove 37 matched with the clamping groove 15 is formed in the connecting rod assembly 3, the opening and closing bolt 31 is movably arranged in the sliding groove 37 in a penetrating mode, and one end of the opening and closing bolt 31 can be inserted into the clamping groove 15; a locking spring is arranged between the sliding chute 37 and the opening and closing bolt 31, the locking spring enables the opening and closing bolt 31 to always have potential energy tending to the wheel rotating disc 14, and a switch handle is arranged at the other end of the opening and closing bolt 31. The connecting rod assembly 3 is rotatably connected with the wheel rotating disc 14 through the second hinge shaft 51, the sliding groove 37 and the opening and closing bolt 31 on the connecting rod assembly 3 relatively rotate around the wheel rotating disc 14, when the sliding groove 37 is arranged opposite to the clamping groove 15, the closing spring drives the opening and closing bolt 31 to enable one end of the opening and closing bolt to be inserted into the clamping groove 15, circumferential position locking is formed between the connecting rod assembly 3 and the wheel rotating disc 14, the second hinge shaft 51 cannot rotate, the parallelogram structure cannot be deformed, and the seat assembly 1 is used for sitting. When the switch handle is pushed to make the switch bolt 31 overcome the potential energy of the locking spring and disengage from the slot 15, the second hinge shaft 51 can rotate again to make the parallelogram deformable, so that the seat board 11 and the back board 12 can rotate relatively to fold the seat assembly 1.
A gear cushion block 42 is arranged in the handrail frame 4, a guide curved surface 43 is arranged on the bottom surface of the gear cushion block 42, a bearing bottom plate 44 is arranged below the gear cushion block 42 at intervals, the bearing bottom plate 44 is matched with the guide curved surface 43 and is integrally formed with the handrail frame 4, and an arc-shaped slide rail channel 45 is formed in an inner cavity of the handrail frame 4 between the bearing bottom plate 44 and the gear cushion block 42; a limiting shaft 46 is arranged in the slide rail channel 45, two ends of the limiting shaft 46 are respectively fixedly connected with the armrest frame 4, an arc-shaped guide groove 47 is arranged on the gear slide block 41, and the limiting shaft 46 can movably penetrate through the guide groove 47, so that the gear slide block 41 can move back and forth along the slide rail channel 45. The gear slide block 41 is also in an arc structure to be matched with the slide rail channel 45, the limiting shaft 46 on the slide rail channel 45 is matched with the guide groove 47 on the gear slide block 41 to assemble the gear slide block 41 in the armrest frame 4, and the displacement track of the gear slide block 41 is controlled and guided, and the back plate 12 is driven to rotate around the fourth hinge shaft 53 to change the elevation angle of the back plate through the back and forth movement of the gear slide block 41 on the armrest frame 4.
The gear locking mechanism comprises a gear cushion block 42, a gear bolt 48 and a control knob 49, a plurality of gear holes 431 are formed in the guide curved surface 43, an action hole 411 is formed in the gear sliding block 41, and the upper end of the action hole 411 penetrates through the gear sliding block 41 and is matched with the gear holes 431; the gear bolt 48 is movably arranged in the action hole 411 in a penetrating mode, a gear spring is arranged between the action hole 411 and the gear bolt 48, the gear spring enables the gear bolt 48 to always have potential energy tending to the gear cushion block 42, and the upper end of the gear bolt 48 can extend out of the action hole 411 and is inserted into any one of the gear holes 431; the control knob 49 is rotatably provided on the third hinge shaft 52, and the control knob 49 is connected to the shift position bolt 48 through a cable so as to be integrally linked therewith. The forward and backward movement of the gear slide block 41 along the slide rail channel 45 is equivalent to the rotation around the fourth hinge shaft 53, the action hole 411 is opened at the front end of the gear slide block 41, when the gear slide block 41 moves forward and backward along the slide rail channel 45, the action hole 411 passes through a plurality of gear holes 431 in sequence, after the angle of the back plate 12 is adjusted to a certain position, the action hole 411 corresponds to any one gear hole 431, the gear bolt 48 extends out of the action hole 411 under the driving of the gear spring to enable the upper end of the gear bolt to be inserted into the gear hole 431, so that the gear slide block 41 is fixedly connected with the armrest frame 4, and at the moment, the back plate 12 is fixedly connected with the seat plate 11 relatively.
The back of the back plate 12 is provided with a reinforcing rib 16 in a surrounding manner, and the rear end of the gear slide block 41 is rotatably connected with the side wall of the reinforcing rib 16 through a third hinge shaft 52; the lower end of the reinforcing rib 16 is provided with two pivoting terminals 17, the rear end of the seat plate 11 is provided with two bearing seats 18, and the pivoting terminals 17 are rotatably connected with the corresponding bearing seats 18 through a fourth hinge shaft 53. The reinforcing ribs 16 are disposed on the back of the back plate 12 to prevent the flatness of the front of the back plate 12 from being damaged, the reinforcing ribs 16 are disposed around the edge of the back plate 12 to improve the structural strength of the back plate 12, and further the third hinge shaft 52 is connected to the back plate 12 through the reinforcing ribs 16. The pivot terminal 17 and the reinforcement rib 16 are integrally formed on the back plate 12, the pivot terminal 17 is respectively disposed at two ends of the bottom edge of the back plate 12, and the pivot terminal 17 is connected to the support seat 18 through the fourth hinge shaft 53, so that the back plate 12 and the seat plate 11 can rotate relatively to adjust the angle or open and close.
The chair frame 2 comprises two opening and closing components 21, a front supporting rod 22 and a rear supporting rod 23 are arranged on the opening and closing components 21, a pipe hoop seat 32 is arranged on the connecting rod component 3, a hose hoop hole 33 is formed in the pipe hoop seat 32, the front supporting rod 22 movably penetrates through the hose hoop hole 33, and a locking structure is arranged between the pipe hoop seat 32 and the front supporting rod 22. The front supporting rod 22 and the rear supporting rod 23 are connected to the opening and closing assembly 21 to form an inverted V-shaped chair frame 2, and the connecting rod assembly 3 forms hole-shaft fit with the front supporting rod 22 through a hose hoop hole 33 on the hose hoop seat 32, so that the height of the chair seat assembly 1 on the chair frame 2 can be adjusted through the connecting rod assembly 3. The hoop seat 32 is connected to the front support rod 22 by a locking structure to fix the seat assembly 1 to the frame 2, and further, when the locking structure is opened, the hoop seat 32 can be detached from the front support rod 22 to separate the seat assembly 1 from the frame 2.
The locking structure comprises a detachment key 34 and a limiting hook plate 35, a key groove 36 is formed in one side of the pipe hoop seat 32, the key groove 36 is communicated with the hose hoop hole 33, the detachment key 34 is arranged in the key groove 36, the limiting hook plate 35 is arranged on the detachment key 34, the detachment key 34 and the limiting hook plate 35 are rotatably connected with the pipe hoop seat 32 through rotating shafts, jacks are formed in the outer side wall of the front support rod 22, a plurality of jacks are sequentially arranged at intervals along the axis of the front support rod 22, and the limiting hook plate 35 can be connected with any jack on the front support rod 22 in a buckling mode so that the pipe hoop seat 32 is fixedly connected with the front support rod 22.
Still include two extension rods 24, two the extension rod 24 upper end can be dismantled with the support front mast 22 lower extreme that corresponds respectively and be connected, is equipped with connecting rod 25 between two extension rods 24, the both ends of connecting rod 25 respectively with two extension rod 24's lower extreme fixed connection, all be equipped with a plurality of binding holes 13 on bedplate 11 and the backplate 12. The connecting rod 25 fixedly connects the lower ends of the two extending rods 24, so as to connect the two chair frames 2 into a whole, and it can be understood that the connecting rod 25 is also arranged between the two supporting rear rods 23. When the seat assembly 1 is to be removed for use, the extension rod 24 is disconnected from the front support rod 22 so that the ferrule holder 32 can be detached from and attached to the lower end of the front support rod 22. The extension rod 24 and the front support rod 22 are connected in a matched mode through a nesting hole shaft, and the extension rod and the front support rod are fixed and detached through bolts. The seat assembly 1 can be placed on other platforms for use alone, and the seat assembly 1 can be fixed through the binding holes 13 through which the binding ropes are threaded.
The opening and closing assembly 21 comprises a first pipe joint 26 and a second pipe joint 27, wherein the first pipe joint 26 is fixedly connected with the upper end of the front support rod 22, and the second pipe joint 27 is fixedly connected with the upper end of the rear support rod 23; the first pipe joint 26 is rotationally connected with the second pipe joint 27 through a concentric shaft 28, and a clutch mechanism is arranged between the first pipe joint 26 and the second pipe joint 27; the clutch mechanism comprises a clutch key 29, a first shaft sleeve 261 is arranged on the first pipe joint 26, a second shaft sleeve 271 is arranged on the second pipe joint 27, the first shaft sleeve 261 and the second shaft sleeve 271 are arranged in a matching mode, and the first shaft sleeve 261 and the second shaft sleeve 271 are in rotary connection through a concentric shaft 28; the opposite surfaces of the first shaft sleeve 261 and the second shaft sleeve 271 are respectively provided with an engaging tooth groove 262, the concentric shaft 28 is provided with a clutch key 29, the clutch key 29 can reciprocate between the first shaft sleeve 261 and the second shaft sleeve 271 so as to be matched and connected with the two engaging tooth grooves 262, the second shaft sleeve 271 is provided with a control key 272, and the control key 272 is connected with the clutch key 29 through a connecting rod. The engaging tooth grooves 262 between the first shaft sleeve 261 and the second shaft sleeve 271 form an action cavity, the clutch key 29 can slide in the action cavity along the concentric shaft 28, and when the clutch key 29 simultaneously engages the engaging tooth grooves 262 on the two shaft sleeves, the first shaft sleeve 261 and the second shaft sleeve 271 are fixedly connected, so that the chair frame 2 is a stable support structure. When the control key 272 pushes the clutch key 29 to disengage from one of the engaging tooth slots 262 through the connecting rod, the first sleeve 261 and the second sleeve 271 can rotate relatively, so that the relative included angle between the front supporting rod 22 and the rear supporting rod 23 on the chair frame 2 can be adjusted to change the height of the chair seat assembly 1, or the front supporting rod 22 and the rear supporting rod 23 can be completely closed to facilitate the storage and storage of the chair frame 2.
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present invention are included in the scope of the present invention.
Claims (10)
1. The utility model provides a multi-functional frivolous children's dining chair, includes seat support subassembly (1) and chair frame (2), its characterized in that: the chair seat assembly (1) comprises a seat plate (11) and a back plate (12), wherein connecting rod assemblies (3) are arranged on two side edges of the seat plate (11), a handrail frame (4) is arranged above the connecting rod assemblies (3), and the handrail frame (4), the connecting rod assemblies (3), the seat plate (11) and the back plate (12) are sequentially connected in a rotating manner; a gear sliding block (41) capable of moving back and forth along the armrest frame (4) is arranged on the armrest frame, the rear end of the gear sliding block (41) is rotatably connected with the middle part of the back plate (12), and a gear locking mechanism is arranged between the gear sliding block (41) and the armrest frame (4); the connecting rod component (3) is matched and connected with the chair frame (2) so as to enable the chair seat component (1) to be installed on the chair frame (2).
2. The multifunctional lightweight thin children's dining chair of claim 1, wherein: the upper end of the connecting rod assembly (3) is rotatably connected with the middle part of the armrest frame (4) through a first hinge shaft (5), the lower end of the connecting rod assembly (3) is rotatably connected with the middle part of the seat plate (11) through a second hinge shaft (51), and a locking device is arranged on the second hinge shaft (51); the rear end of the gear slide block (41) is rotatably connected with the middle of the back plate (12) through a third hinge shaft (52), and the lower end of the back plate (12) is rotatably connected with the rear end of the seat plate (11) through a fourth hinge shaft (53).
3. The multifunctional lightweight thin children's dining chair of claim 2, wherein: the locking device comprises a wheel rotating disc (14) and an opening and closing bolt (31), the wheel rotating disc (14) is arranged on two side edges of the middle part of the seat plate (11), and the lower end of the connecting rod component (3) is rotatably connected with the wheel rotating disc (14) through a second hinge shaft (51); a clamping groove (15) is formed in the outer edge of the wheel rotating disc (14), a sliding groove (37) matched with the clamping groove (15) is formed in the connecting rod assembly (3), the opening and closing bolt (31) is movably arranged in the sliding groove (37) in a penetrating mode, and one end of the opening and closing bolt (31) can be inserted into the clamping groove (15); a locking spring is arranged between the sliding chute (37) and the opening and closing bolt (31), the locking spring enables the opening and closing bolt (31) to always have potential energy tending to the wheel rotating disc (14), and a switch handle is arranged at the other end of the opening and closing bolt (31).
4. The multifunctional lightweight thin children's dining chair of claim 1, wherein: a gear cushion block (42) is arranged in the handrail frame (4), a guide curved surface (43) is arranged on the bottom surface of the gear cushion block (42), a bearing bottom plate (44) is arranged below the gear cushion block (42) at intervals, the bearing bottom plate (44) is matched with the guide curved surface (43) and is integrally formed with the handrail frame (4), and an arc-shaped sliding rail channel (45) is formed in the inner cavity of the handrail frame (4) between the bearing bottom plate (44) and the gear cushion block (42); be equipped with spacing axle (46) in slide rail passageway (45), the both ends of spacing axle (46) respectively with handrail frame (4) fixed connection, be equipped with curved guide way (47) on gear slider (41), spacing axle (46) movably wears to locate in guide way (47) to make gear slider (41) can follow slide rail passageway (45) back-and-forth movement.
5. The multifunctional lightweight thin children's dining chair of claim 4, wherein: the gear locking mechanism comprises a gear cushion block (42), a gear bolt (48) and a control knob (49), a plurality of gear holes (431) are formed in a guide curved surface (43), an action hole (411) is formed in a gear sliding block (41), and the upper end of the action hole (411) penetrates through the gear sliding block (41) and is matched with the gear holes (431); the gear bolt (48) is movably arranged in the action hole (411) in a penetrating mode, a gear spring is arranged between the action hole (411) and the gear bolt (48), the gear spring enables the gear bolt (48) to always have potential energy tending to the gear cushion block (42), and the upper end of the gear bolt (48) can extend out of the action hole (411) and is inserted into any one gear hole (431); the control knob (49) is rotatably arranged on the third hinge shaft (52), and the control knob (49) is connected with the gear bolt (48) through a guy cable so as to be integrally linked with the gear bolt.
6. The multifunctional lightweight thin children's dining chair of claim 2, wherein: the back surface of the back plate (12) is provided with a reinforcing rib (16) in a surrounding manner, and the rear end of the gear slide block (41) is rotationally connected with the side wall of the reinforcing rib (16) through a third hinge shaft (52); the lower end of the reinforcing rib (16) is provided with two pivoting terminals (17), the rear end of the seat plate (11) is provided with two bearing seats (18), and the pivoting terminals (17) are rotatably connected with the corresponding bearing seats (18) through fourth hinge shafts (53).
7. The multifunctional lightweight thin children's dining chair of claim 1, wherein: chair frame (2) include two subassembly (21) that open and shut, are equipped with on the subassembly (21) that opens and shuts and support preceding pole (22) and support back pole (23), be equipped with ferrule seat (32) on link assembly (3), be equipped with hose clamp hole (33) on ferrule seat (32), support preceding pole (22) movably wear to locate in hose clamp hole (33), and be equipped with locking structure between hose clamp seat (32) and support preceding pole (22).
8. The multifunctional lightweight thin children's dining chair of claim 7, wherein: the locking structure comprises a detaching key (34) and a limiting hook plate (35), a key groove (36) is formed in one side of a pipe hoop seat (32), the key groove (36) is communicated with a hose hoop hole (33), the detaching key (34) is arranged in the key groove (36), the limiting hook plate (35) is arranged on the detaching key (34), the detaching key (34) and the limiting hook plate (35) are rotatably connected with the pipe hoop seat (32) through a rotating shaft, jacks are formed in the outer side wall of the front support rod (22), the jacks are sequentially arranged at intervals along the axis of the front support rod (22), and the limiting hook plate (35) can be connected with any jack on the front support rod (22) in a buckling mode so that the pipe hoop seat (32) is fixedly connected with the front support rod (22).
9. The multifunctional lightweight thin children's dining chair of claim 8, wherein: still include two extension rods (24), two extension rod (24) upper end is connected with the support front mast (22) lower extreme that corresponds can be dismantled respectively, is equipped with connecting rod (25) between two extension rods (24), the both ends of connecting rod (25) respectively with the lower extreme fixed connection of two extension rods (24), all be equipped with a plurality of holes of binding (13) on bedplate (11) and backplate (12).
10. The multifunctional lightweight thin children's dining chair of claim 7, wherein: the opening and closing assembly (21) comprises a first pipe joint (26) and a second pipe joint (27), the first pipe joint (26) is fixedly connected with the upper end of the front support rod (22), and the second pipe joint (27) is fixedly connected with the upper end of the rear support rod (23); the first pipe joint (26) is rotationally connected with the second pipe joint (27) through a concentric shaft (28), and a clutch mechanism is arranged between the first pipe joint (26) and the second pipe joint (27); the clutch mechanism comprises a clutch key (29), a first shaft sleeve (261) is arranged on the first pipe joint (26), a second shaft sleeve (271) is arranged on the second pipe joint (27), the first shaft sleeve (261) and the second shaft sleeve (271) are arranged in a matched mode, and the first shaft sleeve (261) and the second shaft sleeve (271) are rotatably connected through a concentric shaft (28); all be equipped with meshing tooth's socket (262) on the opposite face of first axle sleeve (261) and second axle sleeve (271), be equipped with clutch key (29) on concentric shaft (28), thereby clutch key (29) can be between first axle sleeve (261) and second axle sleeve (271) reciprocating motion and be connected with two meshing tooth's socket (262) cooperations, be equipped with control key (272) on second axle sleeve (271), control key (272) pass through the connecting rod and connect clutch key (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110975745.XA CN113876148A (en) | 2021-08-24 | 2021-08-24 | Multifunctional light and thin child dining chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110975745.XA CN113876148A (en) | 2021-08-24 | 2021-08-24 | Multifunctional light and thin child dining chair |
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| Publication Number | Publication Date |
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| CN113876148A true CN113876148A (en) | 2022-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110975745.XA Pending CN113876148A (en) | 2021-08-24 | 2021-08-24 | Multifunctional light and thin child dining chair |
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| EP3677151A1 (en) * | 2017-11-28 | 2020-07-08 | Goodbaby Child Products Co., Ltd | Dining chair for children |
| CN211883113U (en) * | 2019-12-26 | 2020-11-10 | 宁波妈咪宝婴童用品制造有限公司 | Folding dining chair for children |
| CN113184038A (en) * | 2021-05-12 | 2021-07-30 | 宁波妈咪宝婴童用品制造有限公司 | Seat folding mechanism |
-
2021
- 2021-08-24 CN CN202110975745.XA patent/CN113876148A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110233983A1 (en) * | 2010-03-27 | 2011-09-29 | Shunjie Lu | Chair with back-and-forth moving backrest |
| CN202515115U (en) * | 2012-01-11 | 2012-11-07 | 好孩子儿童用品有限公司 | Foldable connecting rod and child dinning chair |
| CN205513645U (en) * | 2015-12-25 | 2016-08-31 | 广东乐美达集团有限公司 | Folding high dining chair of children of linkage |
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| CN211883113U (en) * | 2019-12-26 | 2020-11-10 | 宁波妈咪宝婴童用品制造有限公司 | Folding dining chair for children |
| CN113184038A (en) * | 2021-05-12 | 2021-07-30 | 宁波妈咪宝婴童用品制造有限公司 | Seat folding mechanism |
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