CN114652133A - Adjustable infant chair - Google Patents
Adjustable infant chair Download PDFInfo
- Publication number
- CN114652133A CN114652133A CN202210290717.9A CN202210290717A CN114652133A CN 114652133 A CN114652133 A CN 114652133A CN 202210290717 A CN202210290717 A CN 202210290717A CN 114652133 A CN114652133 A CN 114652133A
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- Prior art keywords
- chair
- worm
- rod
- gear
- chair seat
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 16
- 230000002457 bidirectional effect Effects 0.000 claims description 15
- 238000003780 insertion Methods 0.000 claims description 15
- 230000037431 insertion Effects 0.000 claims description 15
- 210000001364 upper extremity Anatomy 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 5
- 230000000366 juvenile effect Effects 0.000 claims 8
- 230000000694 effects Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
- A47D1/00—Children's chairs
- A47D1/002—Children's chairs adjustable
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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
- A47D1/0083—Children's chairs with trays movable to inoperative position
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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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
- A47D15/00—Accessories for children's furniture, e.g. safety belts or baby-bottle holders
- A47D15/005—Restraining devices, e.g. safety belts, contoured cushions or side bumpers
- A47D15/006—Restraining devices, e.g. safety belts, contoured cushions or side bumpers in chairs
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pediatric Medicine (AREA)
- Special Chairs (AREA)
Abstract
The application discloses an adjustable infant chair, which belongs to the field of children furniture and comprises a chair seat, supporting legs arranged on the chair seat and a chair back arranged on the chair seat, a tray for holding bowls and dishes is arranged on the chair back, an adjusting component is arranged on the supporting leg, the adjusting component comprises a positioning rod which is arranged in the supporting leg in a penetrating way, a positioning block which is fixedly sleeved on the positioning rod, a first spring which is fixed at one end of the positioning block and a steel wire which is fixed at the other end of the positioning block, the two ends of the positioning rod are provided with rollers, the supporting leg is provided with a positioning groove which is matched with the positioning block in a sliding way, the end part of the first spring, which is far away from the positioning block, is fixedly connected with the inner bottom surface of the positioning groove, and the chair seat is provided with a control assembly for pulling the steel wire. The baby chair has the effect of preventing the baby chair from deviating during dining.
Description
Technical Field
The application relates to the field of children furniture, in particular to an adjustable infant chair.
Background
The infant chair is a common chair, and compared with a common chair, the infant chair is more suitable for the use habit of an infant, has an anti-slip function, is dirty-resistant and easy to clean, and due to the lack of self-control ability of the infant, a common adult can buy a special infant chair for the child in order to ensure the safety of the infant.
In the related art, chinese patent application publication No. CN1985716A discloses a high chair for infants, comprising a support frame including front legs and rear legs; a seat comprising a backrest, a seat surface, and armrests, wherein the seat is connected to and supported by the support frame; the tray, detachably is connected to the seat support, and the gyro wheel is installed to the support frame bottom.
In view of the above-mentioned related arts, the inventor believes that the roller installed at the bottom of the infant chair can facilitate the movement of the infant chair, but when an adult feeds a child on the infant chair, the infant chair may shift along with the swinging of the child, so that an adult needs to continuously adjust the position of the infant chair, and the infant chair is inconvenient to use.
Disclosure of Invention
In order to prevent the baby chair from shifting when a baby has a meal, the application provides an adjustable baby chair.
The application provides an adjustable infant chair adopts following technical scheme:
the utility model provides an adjustable infant chair, includes the chair seat, install in supporting leg on the chair seat, install in chair back on the chair seat, be provided with the tray that is used for holding the bowl dish on the chair back, be provided with adjusting part on the supporting leg, adjusting part is including wearing to locate locating lever, fixed cover in the supporting leg are located locating piece on the locating lever, be fixed in the first spring of locating piece one end and being fixed in the steel wire line of the locating piece other end, the gyro wheel is installed at the locating lever both ends, seted up on the supporting leg be used for with the locating piece complex constant head tank that slides, first spring is kept away from the tip of locating piece with interior bottom fixed connection of constant head tank, install on the chair seat and be used for the pulling the control assembly of steel wire line.
Through adopting above-mentioned technical scheme, the setting up of gyro wheel makes things convenient for operating personnel to remove infant's chair, when the adult utilizes the tray to feed for the infant and eats, operating personnel utilizes control assembly pulling steel wire line, the steel wire line removes and drives the locating piece and remove, the locating piece removes and makes the locating lever remove, the locating lever removes and makes the gyro wheel rise, and then make the gyro wheel break away from with the bottom surface contact, the bottom and the bottom surface butt of supporting leg, thereby improve infant's chair's stability, prevent that infant's chair from feeding the in-process skew of eating at the adult.
Preferably, set up the installation cavity in the chair seat, control assembly including rotate install in two-way lead screw on the installation cavity inside wall, set up in the connecting block at two-way lead screw both ends, the connecting block with two-way lead screw thread fit, the steel wire line is kept away from the tip of locating piece penetrates in the installation cavity and with adjacent connecting block fixed connection, the connecting block with the interior bottom surface of installation cavity rotates to be connected, fixed cover is equipped with first worm wheel on the two-way lead screw, wear to be equipped with in the chair seat be used for with first worm of first worm wheel meshing, be provided with the hand wheel on the first worm.
Through adopting above-mentioned technical scheme, operating personnel rotates the hand wheel, and the hand wheel rotates and makes first worm rotate, and first worm rotates and makes first worm wheel rotate, and first worm wheel rotates and makes two-way lead screw rotate, and two lead screw rotations make two connecting blocks be close to each other or keep away from down, and the connecting block removes and drives the steel wire line and removes, and then makes things convenient for operating personnel to control the height of locating lever and gyro wheel.
Preferably, the supporting leg including set up in the canned paragraph on the chair seat and wear to locate removal section in the canned paragraph, remove the section with the canned paragraph cooperation of sliding, wear to be equipped with the locating pin on the canned paragraph, remove the section and seted up a plurality ofly along self length direction and be used for the locating pin complex locating hole of pegging graft.
Through adopting above-mentioned technical scheme, the setting of canned paragraph and removal section makes things convenient for operating personnel to control the height of supporting leg to make things convenient for operating personnel to adjust the height of infant's chair, the cooperation of locating pin and locating hole makes things convenient for operating personnel fixed removal section, thereby prevents to remove the relative movement between section and the canned paragraph.
Preferably, first dwang is worn to be equipped with by chair seat one end, the second dwang is installed in the rotation of the chair seat other end, the supporting leg divide into install in the foreleg at first dwang both ends and install in the back leg at second dwang both ends, be provided with in the chair seat and be used for the drive the rotatory drive assembly of first dwang, second dwang.
Through adopting above-mentioned technical scheme, when operating personnel need accomodate infant's chair, operating personnel utilizes drive assembly to make first dwang, second dwang rotate, and first dwang rotates and makes the front leg folding, and the second dwang rotates and makes the back leg folding, and the supporting leg is folding to be favorable to reducing the space that infant's chair occupied, and then makes things convenient for operating personnel to accomodate.
Preferably, drive assembly is including wearing to locate actuating lever, rotation in the chair seat install in second worm on the installation cavity inside wall and be used for with two second worm wheels of second worm intermeshing, fixed cover is equipped with the driving gear on the actuating lever, fixed cover be equipped with on the second dwang be used for with driving gear engagement's driven gear, one the fixed cover of second worm wheel is located on the first dwang, another the fixed cover of second worm wheel is located on the actuating lever, be provided with on the chair seat and be used for the drive the rotatory power component of second worm.
Through adopting above-mentioned technical scheme, operating personnel starts power pack, and power pack makes the second worm rotate, and the second worm rotates and makes the second worm wheel rotate, and the second worm wheel rotates and makes first dwang and actuating lever rotate, and the actuating lever rotates and makes the driving gear rotate, and the driving gear rotates and makes driven gear rotate, and driven gear rotates and makes the second dwang rotate.
Preferably, a power cavity is formed in the chair back, the power assembly comprises an insertion rod which is slidably arranged in the chair back in a penetrating manner, a first gear, a second gear and a rack which is slidably arranged in the chair back in a penetrating manner, the first gear and the second gear are mutually meshed, a clamping strip is fixedly connected to the insertion rod, a clamping groove which is matched with the clamping strip in a sliding manner is formed in the inner side wall of the first gear, slots which are used for containing the insertion rod and the clamping strip are formed in the second worm, the rack is mutually meshed with the driving gear, and a pull rod is fixedly connected to the rack.
Through adopting above-mentioned technical scheme, operating personnel outwards stimulate the peg graft pole earlier, when operating personnel rotated the chair back to with chair seat looks butt, operating personnel inserted the peg graft pole in the second worm, operating personnel stimulates the pull rod after that, the pull rod removes and makes the rack remove, the rack removes and makes the second gear rotate, the second gear rotates and makes first gear revolve, first gear makes the peg graft pole rotate through the cooperation of card strip with the draw-in groove, the peg graft pole rotates through the cooperation drive second worm of card strip with the slot, finally make first dwang and second dwang rotate.
Preferably, the fixed cover is equipped with solid fixed ring on the spliced rod, the cover is equipped with the second spring on the spliced rod, second spring one end with gu fixed ring fixed connection, the second spring other end with first gear fixed connection.
Through adopting above-mentioned technical scheme, being provided with of second spring does benefit to the inserted link that resets, when operating personnel pulling inserted link, the inserted link removes and drives solid fixed ring and remove, and the second spring is in tensile state this moment, loosens the inserted link when operating personnel, and solid fixed ring removes under the spring action of second spring, and solid fixed ring removes and drives inserted link and insert in the slot, and in addition, being provided with of second spring does benefit to and prevents that inserted link from the back of the chair.
Preferably, the two sides of the chair seat are fixedly connected with side plates, the chair back is provided with a guard rail, the guard rail is rotatably connected with the chair back, and the guard rail is abutted against the side plates.
By adopting the technical scheme, the arrangement of the side plates and the guard rails is beneficial to preventing the infant from sliding off the infant chair, and the arrangement of the side plates is beneficial to supporting the guard rails so as to determine the position of the guard rails.
Preferably, the chair back is rotatably provided with a fixing frame, the fixing frame is fixedly connected with the tray, and the bottom of the tray is provided with a containing groove which is used for being clamped with the protective guard.
Through adopting above-mentioned technical scheme, the setting up of mount makes things convenient for operating personnel upset tray, and when operating personnel need use the tray, operating personnel rotated the mount and until tray and rail guard joint, and the rail guard is provided with and does benefit to the support tray, and then improves the stability of tray.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the arrangement of the rollers facilitates an operator to move the infant chair, when an adult feeds an infant by using the tray, the operator pulls the steel wire by using the control assembly, the steel wire moves to drive the positioning block to move, the positioning block moves to enable the positioning rod to move, the positioning rod moves to enable the rollers to ascend, further the rollers are separated from being in contact with the bottom surface, and the bottom of the supporting legs is abutted against the bottom surface, so that the stability of the infant chair is improved, and the infant chair is prevented from deviating in the adult feeding process;
2. an operator utilizes the driving assembly to enable the first rotating rod and the second rotating rod to rotate, the first rotating rod rotates to enable the front legs to be folded, the second rotating rod rotates to enable the rear legs to be folded, and the folding of the supporting legs is beneficial to reducing the space occupied by the baby chair, so that the storage of the operator is facilitated;
3. the side plates and the guard railings are arranged to be beneficial to preventing infants from sliding off the infant chair, the side plates are arranged to be beneficial to supporting the guard railings to further determine the positions of the guard railings, and the guard railings are arranged to be beneficial to supporting the tray to further improve the stability of the tray.
Drawings
Fig. 1 is a schematic structural view of a baby chair according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of an adjustment assembly according to an embodiment of the present application.
FIG. 3 is a schematic view of the internal structure of the chair seat according to the embodiment of the present application.
Fig. 4 is an internal structure diagram of a chair back according to an embodiment of the present application.
Fig. 5 is an enlarged schematic view at a in fig. 4.
Description of reference numerals:
1. a chair seat; 11. a side plate; 111. positioning the bolt; 12. a first rotating lever; 13. a fixing plate; 14. a second rotating lever; 141. a connection box; 142. a driven gear; 15. installing a cavity; 16. a first worm gear; 17. a first worm; 171. a hand wheel; 2. supporting legs; 21. a fixed section; 211. positioning pins; 22. a moving section; 221. positioning holes; 23. mounting a rod; 231. positioning a groove; 232. a butting block; 24. a front leg; 25. a rear leg; 3. an adjustment assembly; 31. positioning a rod; 311. a roller; 32. positioning blocks; 33. a first spring; 34. a steel wire; 4. a control component; 41. a bidirectional screw rod; 42. connecting blocks; 5. a drive assembly; 51. a drive rod; 511. a driving gear; 52. a second worm; 521. a slot; 53. a second worm gear; 6. a chair back; 61. a power cavity; 62. protecting the fence; 63. a fixed mount; 64. a tray; 641. accommodating grooves; 7. a power assembly; 71. a plug rod; 711. a disc; 712. clamping the strip; 713. a fixing ring; 714. a second spring; 72. a first gear; 721. a card slot; 73. a second gear; 74. a rack; 741. a pull rod.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses an adjustable infant chair. Referring to fig. 1, the baby chair includes a chair seat 1 and support legs 2.
Referring to fig. 1 and 2, a chair seat 1 is horizontally arranged, the cross section of the chair seat 1 is rectangular, and side plates 11 are fixedly connected to two sides of the chair seat 1. The supporting leg 2 includes the canned paragraph 21 and wears to locate the removal section 22 in the canned paragraph 21, and the end that the canned paragraph 21 kept away from the removal section 22 sets up on the chair seat 1, and canned paragraph 21 and removal section 22 sliding fit. The end portion of the fixed section 21 close to the moving section 22 is provided with a positioning pin 211 in a penetrating manner, the moving section 22 is provided with a plurality of positioning holes 221 for being in insertion fit with the positioning pin 211, and the plurality of positioning holes 221 are uniformly arranged along the length direction of the moving section 22. The end part of the moving section 22 far away from the fixed section 21 is provided with an installation rod 23, the length direction of the installation rod 23 is consistent with that of the moving section 22, the upper end of the installation rod 23 is rotatably connected with the moving section 22, and the bottom of the installation rod 23 is fixedly connected with a butting block 232.
Referring to fig. 1 and 2, four supporting legs 2 are provided, each supporting leg 2 is provided with an adjusting assembly 3, and each adjusting assembly 3 comprises a positioning rod 31, a positioning block 32, a first spring 33 and a steel wire 34. The positioning block 32 is disposed on the mounting rod 23 in a penetrating manner, the mounting rod 23 is provided with a positioning groove 231, the cross section of the positioning groove 231 is rectangular, and the positioning block 32 is in sliding fit with the inner side wall of the positioning groove 231. The positioning rod 31 horizontally penetrates through the positioning block 32, the positioning rod 31 is rotatably connected with the positioning block 32, and rollers 311 are mounted at two ends of the positioning rod 31. The first spring 33 is disposed at the bottom of the positioning block 32, one end of the first spring 33 is fixedly connected to the positioning block 32, and the other end of the first spring 33 is fixedly connected to the inner bottom surface of the positioning slot 231. The steel wire 34 is disposed at an end of the positioning block 32 far from the first spring 33, one end of the steel wire 34 is fixedly connected to the positioning block 32, and the other end of the steel wire 34 sequentially passes through the mounting rod 23, the moving section 22 and the fixing section 21.
Referring to fig. 1 and 2, the support legs 2 are divided into two front legs 24 provided at one end of the chair seat 1 and two rear legs 25 provided at the other end of the chair seat 1. A first rotating rod 12 horizontally penetrates through the end part of the chair seat 1 close to the front leg 24, and the first rotating rod 12 is respectively connected with the chair seat 1 and the side plate 11 in a rotating manner. Two ends of the first rotating rod 12 are respectively fixedly connected with a front leg 24, and the front leg 24 is matched with the side plate 11 in a sliding manner. Two fixing plates 13 are mounted on the bottom surface of the chair seat 1 close to the rear legs 25, the two fixing plates 13 are symmetrically arranged, and a second rotating rod 14 is rotatably mounted between the two fixing plates 13. Two ends of the second rotating rod 14 are respectively fixedly connected with a rear leg 25, and the rear legs 25 are in sliding fit with the fixed plate 13.
Referring to fig. 2 and 3, a control assembly 4 is arranged in the chair seat 1, the control assembly 4 includes a bidirectional screw rod 41 and a connecting block 42, an installation cavity 15 is arranged in the chair seat 1, and the cross section of the installation cavity 15 is rectangular. One end of the bidirectional screw rod 41 is close to the front leg 24, the other end of the bidirectional screw rod 41 is close to the rear leg 25, and two ends of the bidirectional screw rod 41 are rotatably connected with the inner side wall of the mounting cavity 15. The number of the connecting blocks 42 is two, the two connecting blocks 42 are respectively arranged at two ends of the bidirectional screw rod 41, and the connecting blocks 42 are in threaded fit with the bidirectional screw rod 41. The steel wire 34 located at the front leg 24 penetrates into the first rotating rod 12 from the fixed section 21, and the steel wire 34 extends for a certain distance along the length direction of the first rotating rod 12 and then penetrates out of the first rotating rod 12 and is fixedly connected with the adjacent connecting block 42.
Referring to fig. 2 and 3, the steel wire 34 at the rear leg 25 is inserted from the fixed section 21 into the second rotating lever 14, and then inserted from the second rotating lever 14 through the fixed plate 13, the inner bottom surface of the installation cavity 15, and fixedly connected to the adjacent connecting block 42. The middle part of the bidirectional screw rod 41 is sleeved with a first worm wheel 16, and the first worm wheel 16 is fixedly connected with the bidirectional screw rod 41. A first worm 17 penetrates through the chair seat 1, the first worm 17 is rotatably connected with the chair seat 1, the end part of the first worm 17 extending into the installation cavity 15 is meshed with the first worm wheel 16, and a hand wheel 171 is fixedly connected to the end part of the first worm 17 located outside the chair seat 1.
Referring to fig. 2 and 3, an operator rotates the hand wheel 171, the hand wheel 171 rotates to enable the first worm 17 to rotate, the first worm 17 rotates to drive the first worm wheel 16 to rotate, the first worm wheel 16 rotates to enable the bidirectional screw rod 41 to rotate, and the bidirectional screw rod 41 rotates to enable the two connecting blocks 42 to approach or separate from each other. When the two connecting blocks 42 are close to each other, the connecting blocks 42 drive the steel wire 34 to move, the steel wire 34 pulls the positioning block 32 to ascend, the positioning block 32 ascends to enable the positioning rod 31 and the roller 311 to ascend, the abutting block 232 abuts against the ground, the deviation of the infant chair is prevented, and the first spring 33 is in a stretching state; when the two connecting blocks 42 are away from each other, the steel wire 34 is loosened, the positioning block 32 moves downwards under the elastic force of the first spring 33, and the positioning block 32 moves to drive the positioning rod 31 and the roller 311 to move, so that the roller 311 is contacted with the bottom surface, and the infant chair is convenient to move by people.
Referring to fig. 2 and 3, a driving assembly 5 for driving the first rotating rod 12 and the second rotating rod 14 to rotate is disposed in the chair seat 1, and the driving assembly 5 includes a driving rod 51, a second worm 52, and a second worm wheel 53. The driving rod 51 is disposed at an end portion of the chair seat 1 close to the second rotating rod 14, the driving rod 51 is disposed horizontally, and two ends of the driving rod 51 are respectively rotatably connected with an inner side wall of the installation cavity 15. The second rotating rod 14 is sleeved with a connecting box 141, the connecting box 141 is fixedly connected with the bottom of the chair seat 1, and an inner cavity of the connecting box 141 is communicated with the installation cavity 15. The driving rod 51 is fixedly sleeved with a driving gear 511, the second rotating rod 14 is fixedly sleeved with a driven gear 142, the driven gear 142 is disposed in the inner cavity of the connecting box 141, and the driving gear 511 and the driven gear 142 are engaged with each other. Two second worm gears 53 are provided, one second worm gear 53 is fixedly sleeved on the first rotating rod 12, and the other second worm gear 53 is fixedly sleeved on the driving rod 51. The length direction of the second worm 52 is consistent with the length direction of the bidirectional screw rod 41, the end part of the second worm 52 is rotatably connected with the inner side wall of the mounting cavity 15, and the second worm 52 is respectively meshed with the two second worm wheels 53.
Referring to fig. 1, 4 and 5, the chair seat 1 is hinged to a chair back 6 at an end portion close to the second rotating rod 14, the chair back 6 can abut against the chair seat 1, and the chair back 6 is provided with a power assembly 7 for driving the second worm 52 to rotate. The power assembly 7 comprises an insertion rod 71, a first gear 72, a second gear 73 and a rack 74, a power cavity 61 is formed in the chair back 6, and the cross section of the power cavity 61 is rectangular. The insertion rod 71 penetrates through the side surface of the chair back 6 far away from the chair seat 1, the insertion rod 71 is matched with the chair back 6 in a sliding mode, and the end portion, located outside the chair back 6, of the insertion rod 71 is fixedly connected with a disc 711. The first gear 72 is disposed on the inner sidewall of the power cavity 61 far from the disc 711, the first gear 72 is rotatably connected with the inner sidewall of the power cavity 61, and the insertion rod 71 is sleeved with the first gear 72. The peripheral surface of the insertion rod 71 is fixedly connected with a clamping strip 712 along the length direction thereof, the inner side wall of the first gear 72 is provided with a clamping groove 721, the clamping strip 712 is in sliding fit with the inner side wall of the clamping groove 721, and the end surface of the second worm 52 close to the chair back 6 is provided with a slot 521 for accommodating the insertion rod 71 and the clamping groove 721.
Referring to fig. 4 and 5, a fixing ring 713 is fixedly sleeved on the insertion rod 71, a second spring 714 is arranged between the fixing ring 713 and the first gear 72, one end of the second spring 714 is fixedly connected with the fixing ring 713, and the other end of the second spring 714 is fixedly connected with the first gear 72. The second gear 73 is rotatably mounted on the inner sidewall of the power cavity 61, and the second gear 73 is engaged with the first gear 72. The rack 74 vertically penetrates through the chair back 6, the rack 74 and the second gear 73 are meshed with each other, and the rack 74 is in sliding fit with the inner side wall of the power cavity 61. A pull rod 741 is fixedly connected to the upper end of the rack 74, one end of the pull rod 741, which is far away from the rack 74, penetrates through the chair back 6, and the pull rod 741 is in sliding fit with the chair back 6.
Referring to fig. 4 and 5, an operator pulls the disc 711 first, the disc 711 drives the inserting rod 71 and the fixing ring 713 to move, the second spring 714 is in a stretching state at this time, then the operator rotates the chair back 6 to abut against the chair seat 1, the disc 711 and the fixing ring 713 loosened by the operator move under the action of the second spring 714, and the fixing ring 713 moves to drive the inserting rod 71 to be inserted into the slot 521 of the second worm 52. An operator moves the pull rod 741, the pull rod 741 moves to drive the rack 74 to move, the rack 74 moves to rotate the second gear 73, the second gear 73 rotates to rotate the first gear 72, the first gear 72 rotates the plug rod 71 through the cooperation of the locking strip 712 and the locking slot 721, the plug rod 71 rotates to rotate the second worm 52, the second worm 52 rotates to rotate the second worm wheel 53, so that the first rotating rod 12 and the driving rod 51 rotate, the first rotating rod 12 rotates to fold the front leg 24, the driving rod 51 rotates to rotate the driving gear 511, the driving gear 511 rotates to rotate the driven gear 142, the driven gear 142 rotates to rotate the second rotating rod 14, and the second rotating rod 14 rotates to fold the rear leg 25.
Referring to fig. 1 and 4, a positioning bolt 111 penetrates through the side plate 11, the positioning bolt 111 penetrates into the chair back 6 and is in threaded fit with the chair back 6, and the positioning bolt 111 is arranged to further fix the chair back 6, so that the stability of the infant chair is improved. The guard rail 62 is rotatably mounted on the chair back 6, a large friction force exists between the guard rail 62 and the chair back 6, and after the guard rail 62 rotates by a certain angle, the guard rail 62 abuts against the side plate 11. The guard rail 62 is provided to prevent the infant from slipping off, and the side plates 11 are provided to support the guard rail 62 and prevent the guard rail 62 from further rotating.
Referring to fig. 1 and 4, a fixing frame 63 is installed on the chair back 6, a tray 64 is fixedly connected to the fixing frame 63, the fixing frame 63 is rotatably connected to the chair back 6, and the inner side wall of the fixing frame 63 is slidably fitted to the outer side wall of the guard rail 62. A receiving groove 641 is formed in the bottom of the tray 64, and an end of the guard rail 62 close to the tray 64 abuts against an inner wall of the receiving groove 641. When an adult needs to feed a baby, the adult rotates the fixing frame 63 until the protective guard 62 is clamped with the accommodating groove 641 of the tray 64, and the protective guard 62 is beneficial to preventing the fixing frame 63 and the tray 64 from further rotating.
The implementation principle of this application embodiment adjustable infant chair does: the setting of gyro wheel 311 makes things convenient for operating personnel to remove infant's chair, when the adult utilizes tray 64 to feed for the infant, operating personnel rotates hand wheel 171, hand wheel 171 rotates and makes first worm 17 rotate, first worm 17 rotates and drives first worm wheel 16 and rotate, first worm wheel 16 rotates and makes two-way lead screw 41 rotate, two-way lead screw 41 rotates and makes two connecting blocks 42 be close to each other, when two connecting blocks 42 are close to each other, connecting block 42 drives steel wire 34 and removes, steel wire 34 stimulates locating piece 32 and rises, locating piece 32 removes and makes locating lever 31 remove, locating lever 31 removes and makes gyro wheel 311 rise, and then make gyro wheel 311 break away from and the bottom surface contact, the bottom and the bottom surface butt of supporting leg 2, thereby improve infant's chair's stability, prevent infant's chair at adult's in-process skew of feeding.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides an adjustable infant chair, includes chair seat (1), install in supporting leg (2) on chair seat (1), install in chair back (6) on chair seat (1), be provided with tray (64) that are used for holding the bowl dish on chair back (6), its characterized in that: the novel chair is characterized in that an adjusting component (3) is arranged on the supporting leg (2), the adjusting component (3) comprises a positioning rod (31) arranged in the supporting leg (2) in a penetrating mode, a positioning block (32) fixedly sleeved on the positioning rod (31), a first spring (33) fixed at one end of the positioning block (32) and a steel wire (34) fixed at the other end of the positioning block (32), rollers (311) are installed at two ends of the positioning rod (31), a positioning groove (231) matched with the positioning block (32) in a sliding mode is formed in the supporting leg (2), the end portion of the positioning block (32) is far away from the first spring (33) and the inner bottom surface of the positioning groove (231) are fixedly connected, and a control component (4) used for pulling the steel wire (34) is installed on the chair seat (1).
2. An adjustable juvenile chair as claimed in claim 1, wherein: a mounting cavity (15) is formed in the chair seat (1), the control assembly (4) comprises a bidirectional screw rod (41) rotatably mounted on the inner side wall of the mounting cavity (15) and connecting blocks (42) arranged at two ends of the bidirectional screw rod (41), the connecting block (42) is in threaded fit with the bidirectional screw rod (41), the end part of the steel wire (34) far away from the positioning block (32) penetrates into the mounting cavity (15) and is fixedly connected with the adjacent connecting block (42), the connecting block (42) is rotationally connected with the inner bottom surface of the mounting cavity (15), fixed cover is equipped with first worm wheel (16) on two-way lead screw (41), wear to be equipped with in chair seat (1) be used for with first worm (17) of first worm wheel (16) meshing, be provided with hand wheel (171) on first worm (17).
3. An adjustable juvenile chair as claimed in claim 1, wherein: supporting leg (2) including set up in canned paragraph (21) on chair seat (1) and wear to locate removal section (22) in canned paragraph (21), remove section (22) with canned paragraph (21) cooperation of sliding, wear to be equipped with locating pin (211) on canned paragraph (21), remove section (22) and seted up a plurality of being used for along self length direction locating pin (211) grafting complex locating hole (221).
4. An adjustable juvenile chair as claimed in claim 2, wherein: first dwang (12) are worn to be equipped with by chair seat (1) one end, chair seat (1) other end rotates and installs second dwang (14), supporting leg (2) divide into install in foreleg (24) at first dwang (12) both ends and install in back leg (25) at second dwang (14) both ends, be provided with in chair seat (1) and be used for the drive first dwang (12), the rotatory drive assembly (5) of second dwang (14).
5. An adjustable juvenile chair as claimed in claim 4, wherein: drive assembly (5) including wear to locate actuating lever (51), rotation in chair seat (1) install in second worm (52) on installation cavity (15) inside wall and be used for with two second worm wheel (53) of second worm (52) intermeshing, fixed cover is equipped with driving gear (511) on actuating lever (51), fixed cover is equipped with on second dwang (14) be used for with driven gear (142) of driving gear (511) meshing, one second worm wheel (53) are fixed to be located on first dwang (12), another second worm wheel (53) are fixed to be located on actuating lever (51), be provided with on chair seat (1) and be used for the drive the rotatory power component (7) of second worm (52).
6. An adjustable juvenile chair as claimed in claim 5, wherein: a power cavity (61) is arranged in the chair back (6), the power component (7) comprises an insertion rod (71) which is arranged in the chair back (6) in a sliding and penetrating way, a first gear (72) and a second gear (73) which are rotatably arranged on the inner side wall of the power cavity (61) and a rack (74) which is arranged in the chair back (6) in a sliding and penetrating way, the first gear (72) and the second gear (73) are mutually meshed, a clamping strip (712) is fixedly connected to the insertion rod (71), a clamping groove (721) which is matched with the clamping strip (712) in a sliding way is arranged on the inner side wall of the first gear (72), the second worm (52) is provided with a slot (521) for accommodating the insertion rod (71) and the clamping strip (712), the rack (74) is meshed with the driving gear (511), and a pull rod (741) is fixedly connected to the rack (74).
7. An adjustable juvenile chair as claimed in claim 6, wherein: the fixed cover is equipped with solid fixed ring (713) on grafting pole (71), the cover is equipped with second spring (714) on grafting pole (71), second spring (714) one end with gu fixed ring (713) fixed connection, the second spring (714) other end with first gear (72) fixed connection.
8. An adjustable juvenile chair according to claim 1, wherein: both sides of the chair seat (1) are fixedly connected with side plates (11), a guard rail (62) is arranged on the chair back (6), the guard rail (62) is rotatably connected with the chair back (6), and the guard rail (62) is abutted to the side plates (11).
9. An adjustable juvenile chair as claimed in claim 8, wherein: rotate on the chair back (6) and install mount (63), mount (63) and tray (64) fixed connection, just holding tank (641) that are used for with rail guard (62) joint are seted up to the bottom of tray (64).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210290717.9A CN114652133A (en) | 2022-03-23 | 2022-03-23 | Adjustable infant chair |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210290717.9A CN114652133A (en) | 2022-03-23 | 2022-03-23 | Adjustable infant chair |
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CN114652133A true CN114652133A (en) | 2022-06-24 |
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Family Applications (1)
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CN202210290717.9A Pending CN114652133A (en) | 2022-03-23 | 2022-03-23 | Adjustable infant chair |
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CN214678389U (en) * | 2021-01-04 | 2021-11-12 | 杭州迈浪工业设计有限公司 | Multifunctional dining chair |
CN113749473A (en) * | 2021-09-01 | 2021-12-07 | 胡梅荣 | Safety chair for preschool education |
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US6089666A (en) * | 1998-09-25 | 2000-07-18 | Cosco, Inc. | High chair having retractable rollers |
DE102008025258A1 (en) * | 2008-05-27 | 2009-12-03 | Recaro Gmbh & Co. Kg | High chair for use as baby couch for e.g. toddler, in car, has seat area formed by seat surface, and locking device adjusting inclination of seat area that is pivotable around rotation axis opposite to upper end of legs |
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