CN114652133B

CN114652133B - Adjustable baby chair

Info

Publication number: CN114652133B
Application number: CN202210290717.9A
Authority: CN
Inventors: 黄涛
Original assignee: Beijing Xinte Lejiao Toys Co ltd
Current assignee: Beijing Xinte Lejiao Toys Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2024-11-19
Anticipated expiration: 2042-03-23
Also published as: CN114652133A

Abstract

The present application discloses an adjustable toddler chair, belonging to the field of children's furniture, which includes a chair seat, a support leg mounted on the chair seat, and a chair back mounted on the chair seat, wherein the chair back is provided with a tray for holding dishes, and the support leg is provided with an adjustment component, wherein the adjustment component includes a positioning rod inserted into the support leg, a positioning block fixedly sleeved on the positioning rod, a first spring fixed to one end of the positioning block, and a steel wire fixed to the other end of the positioning block, rollers are installed at both ends of the positioning rod, a positioning groove for slidingly cooperating with the positioning block is provided on the support leg, and the end of the first spring away from the positioning block is fixedly connected to the inner bottom surface of the positioning groove, and a control component for pulling the steel wire is installed on the chair seat. The present application has the effect of preventing the toddler chair from shifting when the toddler is having a meal.

Description

Adjustable infant chair

Technical Field

The application relates to the field of children furniture, in particular to an adjustable infant chair.

Background

Infant chairs are commonly used, and compared with common chairs, the infant chairs are more suitable for the use habit of infants, have an anti-slip function, are dirt-resistant and easy to clean, and are suitable for children to purchase special infant chairs for adults because of the lack of self-control capability of the infants so as to ensure the safety of the infants.

In the related art, the Chinese patent application with publication number CN1985716A discloses a baby highchair, which comprises a supporting frame, a supporting seat and a supporting seat, wherein the supporting frame comprises 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 is detachably connected to the chair seat, and the roller is installed at the bottom of the supporting frame.

In view of the above-mentioned related art, the inventor believes that the rollers installed at the bottom of the baby chair can facilitate the movement of the baby chair by people, but when a child on the baby chair is fed by a adult, the baby chair may deviate along with the shake of the child, so that the adult needs to constantly adjust the position of the baby chair, and the baby chair is inconvenient to use.

Disclosure of Invention

In order to prevent the infant from shifting during dining, the application provides an adjustable infant chair.

The application provides an adjustable infant chair which adopts the following technical scheme:

The utility model provides an adjustable infant's 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 bowl dish on the chair back, be provided with adjusting part on the supporting leg, adjusting part is including wearing to locate locating lever in the supporting leg, fixed cover are located locating piece on the locating lever, be fixed in first spring of locating piece one end and be fixed in the wire line of locating piece other end, the gyro wheel is installed at locating lever both ends, offer on the supporting leg be used for with locating piece slip complex constant head tank, first spring keep away from the tip of locating piece with the interior bottom surface fixed connection of constant head tank, install on the chair seat and be used for pulling the control assembly of wire line.

Through adopting above-mentioned technical scheme, the setting of gyro wheel makes things convenient for operating personnel to remove infant's chair, and when adult utilized the tray to feed for infant, operating personnel utilized control assembly pulling steel wire line, and the steel wire line removes and drives the locating piece and remove, and the locating piece removes and makes the locating lever remove, and the locating lever removes and makes the gyro wheel rise, and then makes the gyro wheel break away from and bottom surface contact, the bottom and the bottom surface butt of supporting leg to improve infant's chair's stability, prevent infant's chair skew at adult's in-process of feeding.

Preferably, the installation cavity has been seted up 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 ends of two-way lead screw, the connecting block with two-way lead screw threaded fit, the 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 screws rotate and make two connecting blocks be close to each other or keep away from, and the connecting block removes and drives the wire line and remove, and then makes things convenient for operating personnel to control the height of locating lever and gyro wheel.

Preferably, the supporting leg is including setting up in fixed section on the chair seat and wearing to locate the removal section in the fixed section, remove the section with the cooperation of sliding of fixed section, wear to be equipped with the locating pin on the fixed section, it is used for a plurality of locating holes of locating pin grafting complex to have seted up along self length direction to remove the section.

Through adopting above-mentioned technical scheme, the height of convenient operating personnel control supporting leg of setting up of fixed section and removal section to make things convenient for operating personnel to adjust the height of infant's chair, the cooperation in locating pin and locating hole makes things convenient for operating personnel to fix the removal section, thereby prevents the relative movement between removal section and the fixed section.

Preferably, the first rotating rod is arranged at one end of the chair seat in a penetrating way, the second rotating rod is arranged at the other end of the chair seat in a rotating way, the supporting legs are divided into front legs arranged at two ends of the first rotating rod and rear legs arranged at two ends of the second rotating rod, and a driving assembly used for driving the first rotating rod and the second rotating rod to rotate is arranged in the chair seat.

Through adopting above-mentioned technical scheme, when operating personnel need accomodate infant 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 rear leg folding, and the supporting leg is folding to be favorable to reducing infant chair space that occupies, and then makes things convenient for operating personnel to accomodate.

Preferably, the driving assembly comprises a driving rod penetrating through the chair seat, a second worm rotatably installed on the inner side wall of the installation cavity, and two second worm gears meshed with the second worm gears, a driving gear is fixedly sleeved on the driving rod, a driven gear meshed with the driving gear is fixedly sleeved on the second rotating rod, one second worm gear is fixedly sleeved on the first rotating rod, the other second worm gear is fixedly sleeved on the driving rod, and a power assembly used for driving the second worm gears to rotate is arranged on the chair seat.

Through adopting above-mentioned technical scheme, operating personnel starts power component, and power component 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, the power cavity has been seted up in the chair back, power component including slide wear locate plug rod in the chair back, rotate install in first gear, second gear on the power cavity inside wall and slide wear to locate rack in the chair back, first gear with the second gear intermeshing, fixedly connected with card strip on the plug rod, set up on the first gear inside wall be used for with card strip slip complex draw-in groove, set up on the second worm and be used for holding plug rod, card strip's slot, the rack with driving gear intermeshing, just fixedly connected with pull rod on the rack.

Through adopting above-mentioned technical scheme, operating personnel outwards stimulate the plug rod earlier, when operating personnel rotates the chair back to with chair seat looks butt, operating personnel inserts the plug rod in the second worm, then operating personnel pulls the pull rod, 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 rotate, first gear makes the plug rod rotate through the cooperation of draw-in strip with the draw-in groove, the plug rod drives the second worm through the cooperation of draw-in strip with the slot and rotates, finally make first dwang and second dwang rotate.

Preferably, the fixed ring is sleeved on the inserting connection rod, the second spring is sleeved on the inserting connection rod, one end of the second spring is fixedly connected with the fixed ring, and the other end of the second spring is fixedly connected with the first gear.

Through adopting above-mentioned technical scheme, the second spring be provided with be favorable to resetting the plug rod, when operating personnel pulls the plug rod, the plug rod removes and drives solid fixed ring and remove, and the second spring is in tensile state this moment, loosens the plug rod when operating personnel, and gu fixed ring removes under the elasticity effect of second spring, and gu fixed ring removes and drives the plug rod and insert in the slot, in addition, the second spring be provided with be favorable to preventing that the plug rod breaks away from the chair back.

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 rotationally connected with the chair back, and the guard rail is abutted to the side plates.

Through adopting above-mentioned technical scheme, the setting of curb plate and rail guard is favorable to preventing infant from sliding down from infant's chair, and the setting of curb plate is favorable to supporting the rail guard, and then confirms the position of rail guard.

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 for being clamped with the guard rail.

Through adopting above-mentioned technical scheme, the setting of mount makes things convenient for operating personnel to overturn the tray, and when operating personnel needed to use the tray, operating personnel rotated the mount until tray and rail guard joint, and the setting of rail guard is favorable to supporting the 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 the operator to move the infant chair, when the operator feeds the infant by using the tray, the operator pulls the steel wire by using the control component, 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 rise, the rollers are further enabled to be separated from contact with the bottom surface, the bottoms of the supporting legs are abutted with the bottom surface, and therefore the stability of the infant chair is improved, and the infant chair is prevented from being deviated in the adult feeding process;

2. An operator uses 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 supporting legs are folded to be beneficial to reducing the space occupied by the infant chair, so that the infant chair is convenient for the operator to store;

3. the side plates and the guard rails are arranged to be favorable for preventing infants from sliding off from the infant chairs, the guard rails are supported by the side plates, the position of the guard rails is determined, the support tray is favorable for supporting the guard rails, and the stability of the tray is improved.

Drawings

Fig. 1 is a schematic view of a baby chair according to an embodiment of the present application.

Fig. 2 is a schematic structural view of an adjusting assembly according to an embodiment of the present application.

Fig. 3 is a schematic view illustrating an internal structure of a chair seat according to an embodiment of the present application.

Fig. 4 is a schematic view showing an internal structure of a chair back according to an embodiment of the present application.

Fig. 5is an enlarged schematic view at a in fig. 4.

Reference numerals illustrate:

1. A chair seat; 11. a side plate; 111. positioning bolts; 12. a first rotating lever; 13. a fixing plate; 14. a second rotating lever; 141. a connection box; 142. a driven gear; 15. a mounting cavity; 16. a first worm wheel; 17. a first worm; 171. a hand wheel; 2. support legs; 21. a fixed section; 211. a positioning pin; 22. a moving section; 221. positioning holes; 23. a mounting rod; 231. a positioning groove; 232. an abutment block; 24. a front leg; 25. a rear leg; 3. an adjustment assembly; 31. a positioning rod; 311. a roller; 32. a positioning block; 33. a first spring; 34. a steel wire; 4. a control assembly; 41. a two-way screw rod; 42. a connecting block; 5. a drive assembly; 51. a driving rod; 511. a drive gear; 52. a second worm; 521. a slot; 53. a second worm wheel; 6. a chair back; 61. a power cavity; 62. a guard rail; 63. a fixing frame; 64. a tray; 641. a receiving groove; 7. a power assembly; 71. inserting a connecting rod; 711. a disc; 712. clamping strips; 713. a fixing ring; 714. a second spring; 72. a first gear; 721. a clamping groove; 73. a second gear; 74. a rack; 741. and (5) a pull rod.

Detailed Description

The application is described in further detail below with reference to fig. 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, the chair seat 1 is horizontally arranged, the cross section of the chair seat 1 is rectangular, and side plates 11 are fixedly connected to both sides of the chair seat 1. The support leg 2 comprises a fixed section 21 and a movable section 22 penetrating through the fixed section 21, wherein the end part of the fixed section 21 far away from the movable section 22 is arranged on the chair seat 1, and the fixed section 21 is in sliding fit with the movable section 22. The end of the fixed section 21, which is close to the movable section 22, is provided with a positioning pin 211 in a penetrating way, the movable section 22 is provided with a plurality of positioning holes 221 which are used for being in plug-in fit with the positioning pin 211, and the positioning holes 221 are uniformly distributed along the length direction of the movable section 22. The end of the movable section 22 far away from the fixed section 21 is provided with a mounting rod 23, the length direction of the mounting rod 23 is consistent with the length direction of the movable section 22, the upper end of the mounting rod 23 is rotationally connected with the movable section 22, and the bottom of the mounting rod 23 is fixedly connected with an abutting block 232.

Referring to fig. 1 and 2, the support legs 2 are provided with four, each support leg 2 is provided with an adjusting assembly 3, and the adjusting assembly 3 includes a positioning rod 31, a positioning block 32, a first spring 33, and a wire 34. The positioning block 32 is arranged on the mounting rod 23 in a penetrating way, 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 locating rod 31 horizontally penetrates through the locating block 32, the locating rod 31 is rotatably connected with the locating block 32, and rollers 311 are mounted at two ends of the locating 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 with the positioning block 32, and the other end of the first spring 33 is fixedly connected with the inner bottom surface of the positioning slot 231. The steel wire 34 is disposed at an end of the positioning block 32 far away from the first spring 33, one end of the steel wire 34 is fixedly connected with 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 leg 2 is 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. The end of the chair seat 1 near the front leg 24 is horizontally penetrated with a first rotating rod 12, and the first rotating rod 12 is respectively connected with the chair seat 1 and the side plate 11 in a rotating way. The two ends of the first rotating rod 12 are respectively fixedly connected with a front leg 24, and the front leg 24 is in sliding fit with the side plate 11. Two fixing plates 13 are arranged 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 arranged between the two fixing plates 13. The two ends of the second rotating rod 14 are respectively fixedly connected with a rear leg 25, and the rear leg 25 is in sliding fit with the fixed plate 13.

Referring to fig. 2 and 3, a control assembly 4 is disposed in the chair seat 1, the control assembly 4 includes a bidirectional screw rod 41 and a connection block 42, a mounting cavity 15 is formed in the chair seat 1, and a cross section of the mounting cavity 15 is rectangular. One end of the bidirectional screw 41 is close to the front leg 24, the other end of the bidirectional screw 41 is close to the rear leg 25, and two ends of the bidirectional screw 41 are rotatably connected with the inner side wall of the mounting cavity 15. The two connecting blocks 42 are arranged at two ends of the bidirectional screw 41, and the two connecting blocks 42 are in threaded fit with the bidirectional screw 41. The wire 34 located on the front leg 24 penetrates into the first rotating rod 12 from the fixed section 21, and the wire 34 extends 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 wire 34 positioned at the rear leg 25 penetrates the second rotating rod 14 from the fixed section 21, and sequentially penetrates the fixed plate 13, the inner bottom surface of the installation cavity 15 and is fixedly connected with the adjacent connection block 42 from the second rotating rod 14. The middle part of the two-way screw rod 41 is sleeved with a first worm wheel 16, and the first worm wheel 16 is fixedly connected with the two-way screw rod 41. The first worm 17 is penetrated in the chair seat 1, the first worm 17 is connected with the chair seat 1 in a rotating way, the end part of the first worm 17 extending into the installation cavity 15 is meshed with the first worm wheel 16, and the end part of the first worm 17 positioned outside the chair seat 1 is fixedly connected with a hand wheel 171.

Referring to fig. 2 and 3, the operator rotates the hand wheel 171, the hand wheel 171 rotates the first worm 17, the first worm 17 rotates the first worm wheel 16, the first worm wheel 16 rotates the bidirectional screw 41, and the bidirectional screw 41 rotates the two connection blocks 42 toward or away 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 rise, the positioning block 32 rises to enable the positioning rod 31 and the roller 311 to rise, and then the abutting block 232 abuts against the ground to prevent the infant chair from deviating, and the first spring 33 is in a stretched state; when the two connecting blocks 42 are far away from each other, the steel wire 34 is loosened, the positioning block 32 moves downwards under the action of 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 people can conveniently move the baby chair.

Referring to fig. 2 and 3, a driving unit 5 for driving the rotation of the first and second rotating levers 12 and 14 is provided in the chair seat 1, and the driving unit 5 includes a driving lever 51, a second worm 52, and a second worm wheel 53. The driving rod 51 is disposed at the end of the chair seat 1 near the second rotating rod 14, the driving rod 51 is horizontally disposed, and two ends of the driving rod 51 are respectively rotatably connected with the inner side wall of the mounting 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 the inner cavity of the connecting box 141 is communicated with the mounting 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 arranged in the inner cavity of the connecting box 141, and the driving gear 511 and the driven gear 142 are meshed 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 rotationally connected with the inner side wall of the mounting cavity 15, and the second worm 52 is respectively meshed with two second worm gears 53.

Referring to fig. 1, 4 and 5, the end of the chair seat 1 near the second rotating rod 14 is hinged with a chair back 6, the chair back 6 can be abutted with 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 a plug-in rod 71, a first gear 72, a second gear 73 and a rack 74, wherein a power cavity 61 is formed in the chair back 6, and the cross section of the power cavity 61 is rectangular. The inserting rod 71 is arranged on the side surface of the chair back 6 far away from the chair seat 1 in a penetrating way, the inserting rod 71 is matched with the chair back 6 in a sliding way, and the end part of the inserting rod 71 positioned outside the chair back 6 is fixedly connected with a disc 711. The first gear 72 is disposed on an inner side wall of the power cavity 61 far away from the disc 711, the first gear 72 is rotationally connected with the inner side wall of the power cavity 61, and the first gear 72 is sleeved on the insertion rod 71. The outer peripheral surface of the insertion rod 71 is fixedly connected with a clamping strip 712 along the length direction of the insertion rod, a clamping groove 721 is formed in the inner side wall of the first gear 72, the clamping strip 712 is in sliding fit with the inner side wall of the clamping groove 721, and a slot 521 for accommodating the insertion rod 71 and the clamping groove 721 is formed in the end surface, close to the chair back 6, of the second worm 52.

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. A second gear 73 is rotatably mounted on the inner side wall of the power cavity 61, the second gear 73 intermeshes with the first gear 72. The rack 74 vertically penetrates through the chair back 6, the rack 74 is meshed with the second gear 73, and the rack 74 is in sliding fit with the inner side wall of the power cavity 61. The upper end of the rack 74 is fixedly connected with a pull rod 741, one end of the pull rod 741 far away from the rack 74 penetrates out of the chair back 6, and the pull rod 741 is in sliding fit with the chair back 6.

Referring to fig. 4 and 5, the operator pulls the disc 711, the disc 711 drives the insertion rod 71 and the fixing ring 713 to move, at this time, the second spring 714 is in a stretched state, then the operator rotates the chair back 6 to abut against the chair seat 1, the disc 711 released by the operator moves under the action of the second spring 714, and the fixing ring 713 moves to drive the insertion rod 71 to be inserted into the slot 521 of the second worm 52. The 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 clamping strip 712 and the clamping groove 721, the plug rod 71 rotates to rotate the second worm 52, the second worm 52 rotates to rotate the second worm wheel 53, 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 is arranged on the side plate 11 in a penetrating manner, and the positioning bolt 111 penetrates into the chair back 6 and is in threaded fit with the chair back 6, and the chair back 6 is further fixed by the arrangement of the positioning bolt 111, so that the stability of the baby 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 for a certain angle, the guard rail 62 is abutted with the side plate 11. The arrangement of the guard rail 62 is advantageous in preventing the baby from slipping off, and the arrangement of the side plates 11 is advantageous in providing support for the guard rail 62, preventing the guard rail 62 from further rotation.

Referring to fig. 1 and 4, a fixing frame 63 is mounted on the chair back 6, a tray 64 is fixedly connected to the fixing frame 63, the fixing frame 63 is rotatably connected with the chair back 6, and the inner side wall of the fixing frame 63 is slidably matched with the outer side wall of the guard rail 62. The bottom of the tray 64 is provided with a receiving groove 641, and the end of the guard rail 62 near the tray 64 abuts against the inner side wall of the receiving groove 641. When the adult needs to feed the infant, the adult rotates the fixing frame 63 until the guard rail 62 is clamped with the accommodating groove 641 of the tray 64, and the guard rail 62 is beneficial to preventing the fixing frame 63 and the tray 64 from further rotating.

The embodiment of the application provides an adjustable infant chair, which has the implementation principle that: the setting of gyro wheel 311 makes things convenient for operating personnel to remove infant's chair, when adult utilizes tray 64 to feed to 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 rotate and make 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 line 34 and removes, steel wire line 34 pulling locating piece 32 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 with 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 skew at adult's feeding's in-process.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

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 of the body (6) on chair seat (1), be provided with on chair back of the body (6) and be used for holding tray (64) of bowl dish, its characterized in that: the chair comprises a supporting leg (2), wherein an adjusting component (3) is arranged on the supporting leg (2), the adjusting component (3) comprises a positioning rod (31) penetrating through the supporting leg (2), 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 arranged at two ends of the positioning rod (31), a positioning groove (231) which is used for being in sliding fit with the positioning block (32) is formed in the supporting leg (2), the end part, away from the positioning block (32), of the first spring (33) is fixedly connected with the inner bottom surface of the positioning groove (231), and a control component (4) for pulling the steel wire (34) is arranged on the chair seat (1);

The utility model discloses a chair, including chair seat (1) and chair seat, set up in chair seat (1) has offered installation cavity (15), control assembly (4) including rotate install in two-way lead screw (41) on installation cavity (15) inside wall, set up in connecting block (42) at two-way lead screw (41) both ends, connecting block (42) with two-way lead screw (41) screw-thread fit, wire (34) are kept away from the tip of locating piece (32) penetrates in installation cavity (15) and with adjacent connecting block (42) fixed connection, connecting block (42) with the interior bottom surface of installation cavity (15) rotates to be connected, 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).

2. An adjustable child chair according to claim 1, wherein: the support leg (2) comprises a fixed section (21) arranged on the chair seat (1) and a movable section (22) penetrating through the fixed section (21), wherein the movable section (22) is in sliding fit with the fixed section (21), a positioning pin (211) is penetrated on the fixed section (21), and a plurality of positioning holes (221) for the insertion fit of the positioning pin (211) are formed in the movable section (22) along the length direction of the movable section.

3. An adjustable child chair according to claim 1, wherein: the novel chair comprises a chair seat (1), wherein a first rotating rod (12) is arranged at one end of the chair seat (1) in a penetrating mode, a second rotating rod (14) is arranged at the other end of the chair seat (1) in a rotating mode, supporting legs (2) are divided into front legs (24) arranged at two ends of the first rotating rod (12) and rear legs (25) arranged at two ends of the second rotating rod (14), and a driving assembly (5) used for driving the first rotating rod (12) and the second rotating rod (14) to rotate is arranged in the chair seat (1).

4. An adjustable child chair according to claim 3, wherein: the driving assembly (5) comprises a driving rod (51) penetrating through the chair seat (1), a second worm (52) rotatably installed on the inner side wall of the installation cavity (15) and two second worm gears (53) meshed with the second worm (52), a driving gear (511) is fixedly sleeved on the driving rod (51), a driven gear (142) meshed with the driving gear (511) is fixedly sleeved on the second rotating rod (14), one second worm gear (53) is fixedly sleeved on the first rotating rod (12), the other second worm gear (53) is fixedly sleeved on the driving rod (51), and a power assembly (7) used for driving the second worm (52) to rotate is arranged on the chair seat (1).

5. An adjustable child chair according to claim 4, wherein: the utility model provides a chair back of body (6) has seted up power cavity (61), power pack (7) including slide wear locate plug rod (71) in chair back of body (6), rotate install in first gear (72), second gear (73) and slide wear locate rack (74) in chair back of body (6), first gear (72) with second gear (73) intermeshing, fixedly connected with card strip (712) on plug rod (71), set up on first gear (72) inside wall be used for with card strip (712) slip complex draw-in groove (721), set up on second worm (52) be used for holding plug rod (71), card strip (712) slot (521), rack (74) with driving gear (511) intermeshing, just fixedly connected with pull rod (741) on rack (74).

6. An adjustable child chair according to claim 5, 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, second spring (714) other end with first gear (72) fixed connection.

7. An adjustable child chair according to claim 1, wherein: the novel chair is characterized in that side plates (11) are fixedly connected to two sides of the chair seat (1), a guard rail (62) is arranged on the chair back (6), the guard rail (62) is rotationally connected with the chair back (6), and the guard rail (62) is abutted to the side plates (11).

8. An adjustable child chair according to claim 7, wherein: the chair back (6) is rotatably provided with a fixing frame (63), the fixing frame (63) is fixedly connected with a tray (64), and the bottom of the tray (64) is provided with a containing groove (641) for being clamped with the guard rail (62).