Child learning chair with electric lifting structure

Abstract

The utility model relates to the technical field of child learning chairs, in particular to a child learning chair with an electric lifting structure. A child learning chair with an electric lifting structure is characterized in that a child learning chair body comprises a seat part, a guide rail lifting part and a control part, the guide rail lifting part comprises a lifting stand column, the lifting stand column is arranged between a base and the seat part, and one side of the lifting stand column is provided with an anti-pinch device; the control component comprises a control panel, the control panel is connected with an electric motor of the lifting stand column, and control keys are arranged on the control panel. According to the design, the operation is simple and convenient, the adjustment is accurate, the stability of the child learning chair in the lifting process is ensured through the cooperative work of the seat component, the guide rail lifting component, the control component and the like, accurate height adjustment can be realized, abnormal conditions in the lifting process can be detected, the use safety of children is ensured, and the safety is improved. Therefore, the children can keep good sitting postures when using the chair at different age groups.

Description

TECHNICAL FIELD

[0001] The utility model belongs to children's study chair technical field, especially a kind of children's study chair with electric lifting structure. BACKGROUND

[0002] With the increasing concern of children's health and comfort, various ergonomic study chairs have appeared on the market, aiming to help children maintain correct posture by adjusting the height and angle of the seat. However, most existing study chairs still rely on manual adjustment for height adjustment, which generally uses air pressure rods or mechanical gear to adjust the height. While this structure meets some market demand in terms of functionality and application range, there is still room for improvement in terms of precise adjustment, stability and safety, which cannot meet the needs of children for quick and accurate height adjustment, and lacks perfect safety design, for example: 1. Poor lifting stability, existing electric lifting systems are prone to seat shaking or instability during lifting, resulting in poor experience for children during use; 2. Lack of safety, some lifting systems lack anti-pinch design, which poses a potential risk of finger pinching when children operate; 3. Insufficient lifting precision, existing technology cannot achieve precise height adjustment, and can only set a limited height, which cannot meet the fine needs of children at different height stages; 4. Complex operation, the lifting control panel of some designs is not intuitive, making it difficult for children to adjust it themselves. SUMMARY

[0003] The utility model aims to provide a kind of children's study chair with electric lifting structure to solve the problems raised in the above background technology.

[0004] To achieve the above purpose, the utility model realizes the following technical scheme:

[0005] A children's study chair with electric lifting structure, comprising a children's study chair body, characterized in that the children's study chair body comprises a seat component, a guide rail lifting component and a control component.

[0006] The seat component comprises a base, a seat is provided above the base, armrests are provided on both sides of the seat, and a backrest is provided at the rear side of the seat.

[0007] The guide rail lifting component comprises a lifting column, the lifting column is arranged between the base and the seat, and an anti-pinch device is provided on one side of the lifting column.

[0008] The control component comprises a control panel, the control panel is connected to the electric motor of the lifting column, control keys are provided on the control panel, and the control keys comprise an up key, a down key and at least one fixed-height up key.

[0009] Further, a plurality of wheels are arranged under the base.

[0010] Further, the control panel is arranged on the seat.

[0011] Further, the control panel is arranged on the armrest.

[0012] Further, the seat component comprises a seat support frame matched with the guide rail lifting component, the seat support frame comprises a seat support frame arranged under the seat, a connecting rod for connecting the upper part of the lifting column is arranged on the lower part of the seat support frame, and a backrest support rod for connecting the backrest is arranged on the rear side of the seat support frame.

[0013] A decorative box is arranged on the upper part of the base, a sleeve is arranged in the decorative box, the sleeve is sleeved on the outer side of the lifting column, and an opening for extending the sleeve is arranged on the upper part of the decorative box.

[0014] Further, a magnetic sensor for detecting the lifting height of the seat is arranged on the lifting column, a magnet matched with the magnetic sensor is fixed on the sleeve, and the magnetic sensor is electrically connected with the control panel.

[0015] Further, the anti-pinch hand device comprises an anti-pinch hand sensor, the anti-pinch hand sensor is arranged on the opening, and the anti-pinch hand sensor is electrically connected with the control panel.

[0016] Further, the anti-pinch hand sensor adopts one of an optical switch, an infrared sensor, and an ultrasonic sensor.

[0017] Further, a connecting joint for connecting the lifting column is arranged on the lower part of the connecting rod, the anti-pinch hand device comprises a spring plunger arranged on one side of the connecting joint, and a limiting groove matched with the spring plunger is arranged on the sleeve.

[0018] Further, the guide rail lifting component adopts a double guide rail lifting device, the double guide rail lifting device comprises two first lifting columns arranged in front and back.

[0019] The connecting rod is two, and one of the two connecting rods is arranged under the backrest support rod.

[0020] Further, the guide rail lifting component adopts a single guide rail lifting device, the single guide rail lifting device comprises a second lifting column.

[0021] The lower part of the seat support frame near the backrest support rod is provided with the connecting rod.

[0022] The utility model discloses a beneficial effect is: provide a kind of children learning chair with electric lifting structure, easy operation, adjustment precision, cooperate work through seat component, guide rail lifting component in control component etc., the stability of children learning chair in the process of lifting is guaranteed, and accurate height adjustment can be realized, abnormal condition in the process of lifting can also be detected, ensure the use safety of children, to ensure that children can maintain good sitting posture when using in different age stages.

[0023] Other features and advantages of the present application will be set forth in the following description of the application, and in part will become apparent to those skilled in the art upon examination of the following or can be learned by practice of the application. The objects and other advantages of the application can be realized and attained by the structure particularly pointed out in the description and claims hereof as well as the appended drawings. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0025] Figure 1 Part of the structure schematic diagram of the utility model is shown;

[0026] Figure 2 Part of the structure exploded schematic diagram of the double guide rail lifting device of the utility model is shown;

[0027] Figure 3 Part of the structure exploded schematic diagram of the single guide rail lifting device of the utility model is shown;

[0028] Figure 4 Part of the structure exploded schematic diagram of the spring plunger of the utility model is shown;

[0029] Figure 5 Part of the structure schematic diagram of the control panel of the utility model is set in chair seat is shown;

[0030] Figure 6 Part of the structure schematic diagram of the control panel of the utility model is set in armrest is shown;

[0031] Figure 7 Part of the structure schematic diagram of the control panel of the utility model is shown.

[0032] In the diagram: 1. Armrest; 2. Control panel; 3. Casters; 4. Base; 5. Decorative box; 6. Seat; 7. Backrest support rod; 8. Backrest; 9. Seat bracket; 10. Connecting rod; 11. Anti-pinch sensor; 12. Connecting connector; 13. Lifting column; 14. Sleeve; 15. Electric motor; 16. Magnetic sensor; 17. Spring plunger; 18. Limit groove; 19. Control button; 20. Up button; 21. Down button; 22. Height-hold up button. Detailed Implementation

[0033] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0034] like Figures 1-7 As shown, a children's study chair with an electric height-adjustable structure includes a chair body, which comprises a seat component, a guide rail lifting component, and a control component. The seat component includes a base 4, a seat 6 on top of the base 4, armrests 1 on both sides of the seat 6, and a backrest 8 at the rear of the seat 6. The guide rail lifting component includes a lifting column 13, which is positioned between the base 4 and the seat 6, and has an anti-pinch device on one side. The control component includes a control panel 2, which is connected to an electric motor 15 of the lifting column 13. The control panel 2 has control buttons 19, including an up button 20, a down button 21, and at least one height-fixed up button 22. This design is easy to operate and provides precise adjustment. Through the coordinated operation of the seat component, the guide rail lifting component, and the control component, the stability of the children's study chair during height adjustment is ensured, precise height adjustment is achieved, and abnormal situations during height adjustment can be detected to ensure children's safety. This ensures that children of different ages can maintain a good sitting posture when using the chair.

[0035] To facilitate moving the children's study chair, casters 3 are provided under the base 4. Furthermore, casters 3 can be swivel casters.

[0036] Control panel 2 is located on seat 6. Alternatively, control panel 2 is located on armrest 1, making it convenient for children to control the height adjustment of seat 6 via control panel 2.

[0037] In order to guarantee the use effect of the child learning chair, the seat part comprises a seat support frame matched with the guide rail lifting part, the seat support frame comprises a seat support 9 arranged below the seat 6, a connecting rod 10 arranged at the lower part of the seat support 9 and used for connecting the upper part of the lifting column 13, and a back support rod 7 arranged at the rear side of the seat support 9 and used for connecting the back 8; the upper part of the base 4 is provided with a decorative box 5, the decorative box 5 is internally provided with a sleeve 14, the sleeve 14 is sleeved on the outer side of the lifting column 13, and the upper part of the decorative box 5 is provided with an opening used for extending the sleeve 14, the cooperation of the seat support 9, the back support rod 7 and other structures guarantees the stable lifting of the child learning chair, and the exposure of the lifting column 13 is reduced through the decorative box 5 and the sleeve 14, thereby improving the use safety of the child learning chair.

[0038] The lifting column 13 is provided with a magnetic sensor 16 used for detecting the lifting height of the seat 6, a magnet matched with the magnetic sensor 16 is fixed on the sleeve 14, and the magnetic sensor 16 is electrically connected with the control panel 2, so as to detect the lifting height of the seat 6 through the magnetic sensor 16, monitor the height of the seat 6 in real time, and ensure that each adjustment can accurately reach the set position.

[0039] The anti-pinch hand device comprises an anti-pinch hand sensor 11 arranged at the opening, the anti-pinch hand sensor 11 is electrically connected with the control panel 2, so as to monitor whether an obstacle is encountered in the lifting process through the anti-pinch hand sensor 11, and stop the lifting of the lifting column 13 through the control panel 2 if an abnormality is detected. Specifically, the anti-pinch hand sensor 11 adopts one of an optical switch, an infrared sensor and an ultrasonic sensor.

[0040] The lower part of the connecting rod 10 is provided with a connecting joint 12 used for connecting the lifting column 13, the anti-pinch hand device comprises a spring plunger 17 arranged at one side of the connecting joint 12, and the sleeve 14 is provided with a limiting groove 18 matched with the spring plunger 17, so as to realize mechanical limiting through the cooperation of the spring plunger 17 and the limiting groove 18, and prevent the seat 6 from being excessively lifted, the limiting device blocks the lifting process of the lifting column 13 when the seat 6 is lifted to the limit position, thereby avoiding continuous movement.

[0041] The guide rail lifting part adopts a double guide rail lifting device, the double guide rail lifting device comprises two first lifting columns arranged in front and back; the connecting rod 10 is two, and one of the two connecting rods 10 is located below the back support rod 7, the double guide rail lifting device can guarantee the stability of the seat 6 in the lifting process, so that the whole lifting process is smooth. Alternatively, the guide rail lifting part adopts a single guide rail lifting device, the single guide rail lifting device comprises a second lifting column; the lower part of the seat support 9 close to the back support rod 7 is provided with a connecting rod 10, so as to reduce the production cost through the single guide rail lifting device.

[0042] The lifting height range of the chair seat 6 is 40mm-60mm, so as to adapt to the use requirements of children of different ages. Specifically, the fixed height lifting buttons 22 are three, and the three fixed height lifting buttons 22 include a first fixed height lifting button for controlling the chair seat 6 to be lifted by 40mm, a second fixed height lifting button for controlling the chair seat 6 to be lifted by 50mm, and a third fixed height lifting button for controlling the chair seat 6 to be lifted by 60mm.

[0043] The children learning chair with the electric lifting structure has the following advantages

[0044] Beneficial effects:

[0045] (1) The double-guide-rail lifting system can be used to ensure the stability of the chair seat during lifting;

[0046] (2) The height can be accurately adjusted to prevent too fast or too slow lifting;

[0047] (3) The hand clamping prevention design detects abnormal conditions during lifting to ensure the use safety of children.

[0048] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A children's study chair with an electrically adjustable height structure, comprising a children's study chair body, characterized in that, The children's learning chair body includes a seat component, a guide rail lifting component, and a control component; The seat component includes a base, a seat is provided on the top of the base, armrests are provided on both sides of the seat, and a backrest is provided on the rear side of the seat; The guide rail lifting component includes a lifting column, which is disposed between the base and the seat, and an anti-pinch device is provided on one side of the lifting column. The control component includes a control panel connected to the electric motor of the lifting column. The control panel is equipped with control buttons, including an up button, a down button, and at least one fixed-height up button.

2. A children's study chair with an electric lifting structure as described in claim 1, characterized in that, Casters are provided on the bottom of the base.

3. A children's study chair with an electric lifting structure as described in claim 1, characterized in that, The control panel is located on the chair seat.

4. A children's study chair with an electric lifting structure as described in claim 1, characterized in that, The control panel is located on the handrail.

5. A children's study chair with an electric lifting structure as described in claim 1, characterized in that, The seat component includes a seat support frame adapted to the guide rail lifting component. The seat support frame includes a seat bracket disposed below the seat. The lower part of the seat bracket is provided with a connecting rod for connecting to the upper part of the lifting column, and the rear side of the seat bracket is provided with a backrest support rod for connecting to the backrest. A decorative box is provided above the base, and a sleeve is provided inside the decorative box. The sleeve is fitted onto the outside of the lifting column, and the upper part of the decorative box is provided with an opening for the sleeve to extend out.

6. A children's study chair with an electric lifting structure as described in claim 5, characterized in that, The lifting column is equipped with a magnetic sensor for detecting the height of the chair seat. A magnet adapted to the magnetic sensor is fixed on the sleeve. The magnetic sensor is electrically connected to the control panel.

7. A children's study chair with an electric lifting structure as described in claim 5, characterized in that, The anti-pinch device includes an anti-pinch sensor, which is provided at the opening and is electrically connected to the control panel. The anti-pinch sensor uses one of the following: photoelectric switch, infrared sensor, or ultrasonic sensor.

8. A children's study chair with an electric lifting structure as described in claim 5 or 7, characterized in that, The lower part of the connecting rod is provided with a connecting joint for connecting the lifting column. The anti-pinch device includes a spring plunger provided on one side of the connecting joint. The sleeve is provided with a limiting groove that matches the spring plunger.

9. A children's study chair with an electric lifting structure as described in claim 5, characterized in that, The guide rail lifting component adopts a dual guide rail lifting device, which includes two first lifting columns arranged in front and behind. There are two connecting rods, and one of the two connecting rods is located below the chair back support rod.

10. A children's study chair with an electric lifting structure as described in claim 5, characterized in that, The guide rail lifting component adopts a single guide rail lifting device, which includes a second lifting column. The connecting rod is located below the seat bracket near the backrest support rod.

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