A children's dining chair that prevents pinching

Abstract

The utility model discloses an anti-pinching children's dining chair, relates to the technical field of children's dining chairs, comprises a base, an upper surface of the base is symmetrically provided with positioning columns, the tops of the positioning columns are slidably connected with sliding columns, the tops of the sliding columns are fixedly connected with a seat cushion, the upper surface of the seat cushion is symmetrically provided with armrests, the upper surface of the seat cushion is fixedly connected with a backrest, and a height adjustment component is arranged on the base; the height adjustment component comprises a fixing plate, the fixing plate is fixedly connected to the upper surface of the base, one side of the fixing plate is rotatably connected with a rocker, the driving wheel is driven to rotate by rotating the rocker, the driven wheel is driven to rotate under the action of a belt, the two-way screw rod is driven to rotate by the rotation of the driven wheel, thereby driving two groups of sliders to move relative to each other, the spacing of the scissor frames is changed by the movement of the slider, thereby the height of the seat cushion is adjusted, the height of the seat cushion is adjusted by the forward and reverse rotation of the rocker, the adjustment is convenient and accurate, and it is easy to use.

Description

Technical Field

[0001] The utility model relates to the technical field of children's dining chairs, in particular to a children's dining chair that can prevent pinching. Background Art

[0002] A toddler dining chair is a dining chair designed to assist in feeding infants and children. It can hold infants so that parents can have their hands free to feed them. It can also be used as a short-term child placement chair so that parents can take time out to deal with emergencies in a short period of time.

[0003] After searching the existing public patent number: CN202221742357.3, the public patent name is: a children's dining chair that prevents pinching, including a base, a telescopic rod fixedly connected to the top of the base, a support seat fixedly connected to the top of the telescopic rod, a groove is provided inside the support seat, a backrest is fixedly connected to the top of the support seat, a baffle is fixedly connected to the outside of the support seat, and a storage board is fixedly connected between the baffles. The utility model is provided with a storage board, and the storage board is movably connected between two baffles. When the child is larger, a slide groove is provided on the outside of the baffle, and then the slide rod inside the slide groove is used to drive the storage board to move between the baffles, and the distance between the storage board and the backrest is increased. At this time, the nut is rotated on the threaded rod outside the slide rod, so that the nut fixes the slide rod, and the storage board between the baffles is fixed, thereby achieving the effect of preventing children from being pinched.

[0004] However, the height of the children's dining chair needs to be adjusted frequently by stepping on the pedal, which is troublesome to adjust. In addition, the design of the slide has the risk of catching the child's hand, which needs to be improved. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a children's dining chair that is anti-pinching, which solves the problem that height adjustment is troublesome and there is a risk of pinching hands.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a children's dining chair that prevents pinching, comprising: a base, a positioning column is symmetrically arranged on the upper surface of the base, a sliding column is slidably connected to the top of the positioning column, a seat cushion is fixedly connected to the top of the sliding column, an armrest is symmetrically arranged on the upper surface of the seat cushion, a backrest is fixedly connected to the upper surface of the seat cushion, and a height adjustment component is arranged on the base; the height adjustment component comprises a fixing plate, the fixing plate is fixedly connected to the upper surface of the base, a rocker is rotatably connected to one side of the fixing plate, a driving wheel is fixedly connected to one end of the rocker, a slide groove is opened at the center position of the top of the base, a bidirectional screw rod is rotatably connected in the slide groove, a driven wheel is fixedly connected to the surface of the bidirectional screw rod, the driven wheel and the driving wheel are connected through a belt transmission, two sliders are slidably connected in the slide groove, the two sliders are threadedly connected to the two sides of the bidirectional screw rod, a scissors frame is rotatably connected to the slider, a connecting block is rotatably connected to the scissors frame, and the connecting block is slidably connected to the bottom of the seat cushion.

[0007] Preferably, a leg resting groove is provided on the surface of the seat cushion, and an anti-drop rod is fixedly connected to the center position inside the leg resting groove, and the anti-drop rod is configured as a soft rubber rod.

[0008] Preferably, the seat cushion is provided with an auxiliary feeding assembly, the auxiliary feeding assembly includes limiting grooves opened on both sides of the seat cushion, a sliding seat is slidably connected in the limiting groove, a lifting seat is fixedly connected to the top of the sliding seat, a connecting frame is fixedly connected to the movable end of the lifting seat, a placing frame is fixedly connected to the connecting frame, and a storage groove is opened on the upper surface of the placing frame.

[0009] Preferably, limit plates are symmetrically arranged on both sides of the seat cushion, limit holes are arranged in an equidistant array on the limit plates, and limit pins are inserted into the sliding seat.

[0010] Preferably, a through hole matching the limiting hole is opened on the surface of the sliding seat, and the limiting pin is matched with the through hole.

[0011] Preferably, the number of the positioning columns is four and they are symmetrically arranged on the upper surface of the base, and the number of the armrests is two and they are symmetrically arranged on the upper surface of the seat cushion.

[0012] Preferably, both sides of the placement rack are provided with rounded corners, both sides of the armrest are also provided with rounded corners, and the seat cushion is configured as a breathable cushion. Beneficial Effects

[0013] The utility model provides a children's dining chair that prevents pinching, which has at least the following beneficial effects compared with the prior art:

[0014] The driving wheel is driven to rotate by rotating the rocker, and the driven wheel is driven to rotate by the action of the belt. The rotation of the driven wheel drives the bidirectional screw to rotate, thereby driving the two sets of sliders to move relative to each other. The spacing of the scissors frame is changed by the movement of the slider, so as to adjust the height of the seat cushion. The height of the seat cushion is adjusted by the forward and reverse rotation of the rocker. The adjustment is convenient and accurate, and it is easy to use.

[0015] The placement rack is driven to move by the movement of the sliding seat, and the sliding seat slides along the limiting groove. The limiting groove is arranged on the outside of the handrail to prevent the placement rack from causing pinching injuries to children's hands when the placement rack moves, thereby improving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the height adjustment component of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the auxiliary feeding assembly of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the anti-drop rod of the utility model.

[0020] In the figure: 1. base; 2. positioning column; 3. sliding column; 4. seat cushion; 5. armrest; 6. backrest; 7. height adjustment component; 701. fixing plate; 702. rocker; 703. driving wheel; 704. belt; 705. driven wheel; 706. slide groove; 707. two-way screw rod; 708. slider; 709. scissor frame; 710. connecting block; 8. auxiliary feeding component; 801. limiting groove; 802. sliding seat; 803. lifting seat; 804. connecting frame; 805. placement frame; 806. storage slot; 807. limiting plate; 808. limiting hole; 809. limiting pin; 9. leg slot; 10. anti-drop rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0022] See also Figure 1-4The utility model provides a technical solution: a base 1, a positioning column 2 is symmetrically arranged on the upper surface of the base 1, a sliding column 3 is slidably connected to the top of the positioning column 2, a seat cushion 4 is fixedly connected to the top of the sliding column 3, an armrest 5 is symmetrically arranged on the upper surface of the seat cushion 4, a backrest 6 is fixedly connected to the upper surface of the seat cushion 4, and a height adjustment component 7 is arranged on the base 1; the height adjustment component 7 includes a fixing plate 701, the fixing plate 701 is fixedly connected to the upper surface of the base 1, one side of the fixing plate 701 is rotatably connected to a rocker 702, and one end of the rocker 702 is fixedly connected to a driving wheel 703 A slide groove 706 is provided at the center of the top of the base 1, and a bidirectional screw rod 707 is rotatably connected in the slide groove 706. A driven wheel 705 is fixedly connected to the surface of the bidirectional screw rod 707. The driven wheel 705 is connected to the driving wheel 703 through a belt 704. Two sliders 708 are slidably connected in the slide groove 706. The two sliders 708 are threadedly connected to the two sides of the bidirectional screw rod 707. A scissors frame 709 is rotatably connected to the slider 708. A connecting block 710 is rotatably connected to the scissors frame 709. The connecting block 710 is slidably connected to the bottom of the cushion 4.

[0023] Analysis of the above content: by rotating the rocker 702, the driving wheel 703 is driven to rotate, and the driven wheel 705 is driven to rotate under the action of the belt 704, and the rotation of the driven wheel 705 drives the bidirectional screw 707 to rotate, thereby driving the two sets of sliders 708 to move relative to each other, and the distance between the scissor frames 709 is changed by the movement of the sliders 708, so as to adjust the height of the seat cushion 4, and the lifting and lowering of the seat cushion 4 is adjusted by the forward and reverse rotation of the rocker 702. When adjusting the height, the sliding column 3 moves up and down along the positioning column 2 to ensure the stability of the seat cushion 4 when adjusting the height. Example

[0024] See also Figure 1-4 The utility model provides a technical solution based on the first embodiment: a leg placement groove 9 is provided on the surface of the seat cushion 4, and an anti-drop rod 10 is fixedly connected to the center position of the leg placement groove 9, and the anti-drop rod 10 is set as a rubber soft rod.

[0025] Analysis of the above content: The leg slot 9 is used to facilitate the placement of the baby's legs, and the anti-fall rod 10 is provided to prevent the baby from falling from the leg slot 9, thereby improving safety. Example

[0026] See also Figure 1-4The utility model provides a technical solution based on the first embodiment: the seat cushion 4 is provided with an auxiliary feeding assembly 8, which includes a limiting groove 801 opened on both sides of the seat cushion 4, a sliding seat 802 is slidably connected in the limiting groove 801, a lifting seat 803 is fixedly connected to the top of the sliding seat 802, a connecting frame 804 is fixedly connected to the movable end of the lifting seat 803, a placing frame 805 is fixedly connected to the connecting frame 804, and a storage slot 806 is opened on the upper surface of the placing frame 805. Both sides of the placing frame 805 are provided with rounded corners, and both sides of the armrest 5 are also provided with rounded corners, and the seat cushion 4 is provided as a breathable cushion.

[0027] Analysis of the above content: inserting the limit pin 809 into the corresponding limit hole 808 can fix the position of the sliding seat 802, and pulling out the limit pin 809, the sliding seat 802 slides along the limit groove 801, and the position of the placement rack 805 is adjusted to accommodate children of different ages and sizes. The limit groove 801 is set on the outside of the handrail 5 to avoid the danger caused by the child putting his hand into the limit groove 801. Example

[0028] See also Figure 1-4 The utility model provides a technical solution based on the first embodiment: the limit plates 807 are symmetrically arranged on both sides of the seat cushion 4, the limit holes 808 are arranged in an equidistant array on the limit plates 807, and the limit pins 809 are inserted in the sliding seat 802.

[0029] Analysis of the above content: The position of the sliding seat 802 is locked by the cooperation between the limiting pin 809 and the limiting hole 808 to prevent the items from falling due to the random movement of the placement rack 805. Example

[0030] See also Figure 1-4 The utility model provides a technical solution based on the first embodiment: a through hole matching the limiting hole 808 is opened on the surface of the sliding seat 802, and the limiting pin 809 is matched with the through hole.

[0031] Analysis of the above content: insert the limit pin 809 into the corresponding through hole and the limit hole 808 to lock the position of the sliding seat 802. Example

[0032] See also Figure 1-4 The utility model provides a technical solution based on the first embodiment: the number of positioning columns 2 is four and they are symmetrically arranged on the upper surface of the base 1 , and the number of armrests 5 is two and they are symmetrically arranged on the upper surface of the seat cushion 4 .

[0033] Analysis of the above content: The positioning column 2 and the sliding column 3 cooperate with each other to ensure the stability of the seat cushion 4 when the height is adjusted, to prevent the child from falling due to the shaking of the seat cushion 4, and to improve safety. The armrest 5 is filled with sponge to reduce the damage to the child caused by the collision.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A children's dining chair that prevents pinching, characterized in that: include: A base (1), wherein a positioning column (2) is symmetrically arranged on the upper surface of the base (1), a sliding column (3) is slidably connected to the top of the positioning column (2), a seat cushion (4) is fixedly connected to the top of the sliding column (3), an armrest (5) is symmetrically arranged on the upper surface of the seat cushion (4), a backrest (6) is fixedly connected to the upper surface of the seat cushion (4), and a height adjustment component (7) is arranged on the base (1); The height adjustment assembly (7) comprises a fixing plate (701), the fixing plate (701) being fixedly connected to the upper surface of the base (1), a rocker (702) being rotatably connected to one side of the fixing plate (701), a driving wheel (703) being fixedly connected to one end of the rocker (702), a slide groove (706) being provided at the center of the top of the base (1), a bidirectional screw rod (707) being rotatably connected in the slide groove (706), and a driven wheel (703) being fixedly connected to the surface of the bidirectional screw rod (707). (705), the driven wheel (705) and the driving wheel (703) are connected to each other by a belt (704), two sliders (708) are slidably connected in the slide groove (706), the two sliders (708) are threadedly connected to the two sides of the bidirectional screw rod (707), the sliders (708) are rotatably connected to a scissors frame (709), the scissors frame (709) is rotatably connected to a connecting block (710), and the connecting block (710) is slidably connected to the bottom of the seat cushion (4).

2. The anti-pinch children's dining chair according to claim 1, characterized in that: The seat cushion (4) is provided with a leg resting groove (9) on its surface, and an anti-drop rod (10) is fixedly connected to the center of the leg resting groove (9), wherein the anti-drop rod (10) is configured as a soft rubber rod.

3. The anti-pinch children's dining chair according to claim 1, characterized in that: The seat cushion (4) is provided with an auxiliary feeding assembly (8), the auxiliary feeding assembly (8) comprising limiting grooves (801) opened on both sides of the seat cushion (4), a sliding seat (802) being slidably connected in the limiting grooves (801), a lifting seat (803) being fixedly connected to the top of the sliding seat (802), a connecting frame (804) being fixedly connected to the movable end of the lifting seat (803), a placing frame (805) being fixedly connected to the connecting frame (804), and a storage groove (806) being opened on the upper surface of the placing frame (805).

4. The anti-pinch children's dining chair according to claim 3, characterized in that: Limiting plates (807) are symmetrically arranged on both sides of the seat cushion (4), limiting holes (808) are arranged in an equidistant array on the limiting plates (807), and limiting pins (809) are inserted into the sliding seat (802).

5. The anti-pinch children's dining chair according to claim 4, characterized in that: A through hole matching the limiting hole (808) is provided on the surface of the sliding seat (802), and the limiting pin (809) is arranged to match the through hole.

6. The anti-pinch children's dining chair according to claim 1, characterized in that: The number of the positioning columns (2) is four and they are symmetrically arranged on the upper surface of the base (1); the number of the armrests (5) is two and they are symmetrically arranged on the upper surface of the seat cushion (4).

7. The anti-pinch children's dining chair according to claim 3, characterized in that: Both sides of the placement rack (805) are provided with rounded corners, both sides of the armrest (5) are also provided with rounded corners, and the seat cushion (4) is configured as a breathable soft cushion.

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