Improved child learning chair cushion structure
By introducing a latching mechanism and a buckle lock part into the seat cushion of the children's learning chair, the problem of the cover and flexible seat cushion being difficult to disassemble and clean and the seasonal shape change is solved, and convenient disassembly and seasonal adjustment are achieved, thereby improving cleanliness and applicability.
Patent Information
- Application Number
- CN202422645910.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-10-31
AI Technical Summary
In the existing children's learning chair seat cushion structure, the cover and the flexible seat cushion are fixed together, which is difficult to disassemble, clean and replace, and difficult to change the shape according to the season, affecting the user experience.
The plastic backing plate and the flexible seat cushion are connected by a latching mechanism and a buckle lock part, and the cover and the plastic backing plate are detachably connected through an insert frame, an inner screw tube, an outer stud and a knob. Combined with the fixing buckle and the clamping ring, the cover and the flexible seat cushion can be conveniently disassembled and seasonally adjusted.
The cover and flexible seat cushion can be easily disassembled, cleaned and replaced, which improves cleanliness. The seat cushion shape can be adjusted according to the season, which improves applicability and comfort.
Smart Images
Figure CN223403582U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of children's learning chairs, in particular to an improved seat cushion structure of a children's learning chair. Background Art
[0002] Children's growth desk and chair is a type of ergonomic desk and chair, mainly designed for children to meet their growth needs; children's growth desk and chair can adjust the height and inclination of the seat cushion and the height and inclination of the back cushion to help children develop a correct sitting posture, accompany children in learning, and grow all the way.
[0003] The cushion structure of the children's learning chair used in the previous generation is similar to the conventional cushion structure on the market. It consists of four parts, from top to bottom, namely, a cover, a flexible cushion, a wooden pad and a textile cover. After the flexible cushion is placed on the wooden pad, the cover is folded down to wrap the four sides of the flexible cushion, and then the excess part of the cover is fixed to the lower end surface of the wooden pad with a nail gun. Finally, the black textile cover is fixed between the wooden pad and the lower end of the cover with a nail gun to complete the cushion structure. This cushion structure has the following shortcomings in actual use: First, the cover is difficult to remove from the pad after being fixed with a nail gun. This results in the cover or flexible cushion being contaminated after long-term use, and it is difficult to remove and clean it from the pad or replace it. Dust, impurities and bacteria are easily retained inside the cushion. Secondly, most cushion structures are soft-surface designs, which makes it difficult to change the cushion according to the actual use season. When children use soft-surface cushions in summer, the buttocks are prone to heat accumulation and sweating, thereby reducing the children's actual experience of using the cushion.
[0004] In view of this, it is particularly important to design and manufacture a seat cushion structure that is convenient for disassembly of the cover and the flexible seat cushion and can adjust the seat cushion shape according to seasonal conditions. Utility Model Content
[0005] The purpose of the utility model is to solve the problem that the cover and the flexible seat cushion of the previous generation of children's learning chair cushion structure are fixed on the base plate as a whole, which makes it difficult to disassemble, clean and replace them, and it is also difficult to change the shape of the seat cushion according to seasonal conditions. An improved children's learning chair cushion structure is proposed.
[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:
[0007] Disclosed is an improved seat cushion structure for a children's learning chair, comprising a plastic pad, a plurality of mounting holes provided at the lower end of the plastic pad, a flexible seat cushion arranged at the upper end of the plastic pad, and a protective cover sleeved between the flexible seat cushion and the plastic pad. The upper end of the plastic pad is open, and the plastic seat cushion is detachably mounted between the upper end of the plastic pad and the lower end of the flexible seat cushion via a latch mechanism. A latch portion is provided between the plastic pad and the protective cover for facilitating the disassembly of the flexible seat cushion and the protective cover.
[0008] As a further description of the above technical solution:
[0009] The latch mechanism includes an insertion frame fixed to the lower end of the plastic seat cushion and buckled with the side of the plastic pad, an inner screw tube fixed on the four corners of the lower end of the plastic seat cushion and penetrating downward through the plastic pad, through holes opened on the four corners of the plastic pad and corresponding to the inner screw tube, and an outer stud installed at the lower end of the inner screw tube through a threaded engagement.
[0010] As a further description of the above technical solution:
[0011] The lower end of the outer stud is fixedly connected with a knob which fits with the inner screw tube and the lower end surface of the plastic pad.
[0012] As a further description of the above technical solution:
[0013] The four corners of the flexible seat cushion are all provided with lower inserting holes for accommodating the inner spiral tube.
[0014] As a further description of the above technical solution:
[0015] The locking part includes a plurality of fixing buckles fixed on the four sides of the lower end of the plastic pad and a plurality of fixing rings installed on the four sides of the lower end of the sleeve and engaged with the plurality of fixing buckles. Anti-deflection rings that are transitionally matched with the external studs are installed at the four corners of the lower end of the sleeve.
[0016] As a further description of the above technical solution:
[0017] The plurality of fixing buckles are in an L-shaped structure, and the horizontal ends of the plurality of fixing buckles are all directed toward the middle of the plastic pad.
[0018] As a further description of the above technical solution:
[0019] The inner side of the upper end of the plastic pad is integrally fixedly connected with reinforcing ribs distributed in a grid, and the lower end of the flexible seat cushion is provided with a lower buckle groove corresponding to the reinforcing ribs.
[0020] As a further description of the above technical solution:
[0021] The flexible seat cushion is provided with a plurality of first air holes that are vertically distributed and penetrate through the seat cushion, and the plastic seat cushion is provided with a plurality of second air holes that correspond to the positions of the first air holes.
[0022] As a further description of the above technical solution:
[0023] The flexible seat cushion is made of silica gel, latex, sponge or pure cotton material.
[0024] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:
[0025] In the utility model, the original seat cushion structure is scientifically and rationally improved, and a plastic seat cushion, an insert frame, an inner screw tube, an outer stud and a knob are arranged between the plastic pad and the flexible seat cushion. At the same time, a fixing buckle and a fixing ring are arranged between the plastic pad and the cover. The cover and the flexible seat cushion can be removed from above the plastic seat cushion by sliding the fixing ring on the cover away from the fixing buckle on the plastic pad. At this time, the exposed plastic seat plate can be used as a seat cushion structure for summer use, and the removed flexible seat cushion can be stuffed into the gap between the plastic pad and the plastic seat cushion. This structure can realize the convenient disassembly, cleaning and replacement of the cover and the flexible seat cushion. At the same time, the shape of the seat cushion can be adjusted to a soft surface or a hard surface according to the season of use, which not only improves the convenience of the cleaning operation of the seat cushion structure, but also improves the applicability of the seat cushion structure. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 This is a three-dimensional disassembly diagram of the seat cushion structure of an improved children's learning chair proposed in this utility model Figure 1 ;
[0027] Figure 2 This is a three-dimensional disassembly diagram of the utility model Figure 2 ;
[0028] Figure 3 This is a schematic diagram of the assembled three-dimensional front view of the present invention;
[0029] Figure 4 This is a 90° angled cross-sectional view of the present invention.
[0030] Legend:
[0031] 1. Plastic pad; 101. Mounting hole; 102. Reinforcing rib; 103. Through hole; 104. Fixing buckle; 2. Flexible seat cushion; 201. First air hole; 202. Lower plug hole; 203. Lower buckle groove; 3. Sheath; 301. Fixing clamp; 302. Anti-deflection ring; 4. Plastic seat cushion; 401. Insert frame; 402. Second air hole; 403. Inner screw tube; 5. Outer stud; 501. Knob. DETAILED DESCRIPTION
[0032] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0033] See also Figure 1-4 The utility model provides a technical solution: an improved children's learning chair cushion structure, comprising a plastic pad 1, a plurality of mounting holes 101 opened at the lower end of the plastic pad 1, a flexible seat cushion 2 arranged at the upper end of the plastic pad 1, and a protective cover 3 sleeved between the flexible seat cushion 2 and the plastic pad 1. The upper end of the plastic pad 1 is open, and a plastic seat cushion 4 is detachably mounted between the upper end of the plastic pad 1 and the lower end of the flexible seat cushion 2 through a latch mechanism. A latch portion is provided between the plastic pad 1 and the protective cover 3 for facilitating the disassembly of the flexible seat cushion 2 and the protective cover 3.
[0034] Specifically, such as Figure 1-4 As shown, the latch mechanism includes an insertion frame 401 fixed to the lower end of the plastic cushion 4 and buckled with the side of the plastic pad 1, an inner screw tube 403 fixed on the four corners of the lower end of the plastic cushion 4 and penetrating downward through the plastic pad 1, through holes 103 opened on the four corners of the plastic pad 1 and corresponding to the inner screw tube 403, and an outer stud 5 installed at the lower end of the inner screw tube 403 by screwing.
[0035] Among them, the lower end of the outer stud 5 is fixedly connected to a knob 501 that fits with the inner screw tube 403 and the lower end surface of the plastic pad 1. On the one hand, it is convenient for the operator to hold and rotate the outer stud 5, and on the other hand, it can increase the contact area of the lower end of the outer stud 5, and the inner screw tube 403 can be stably fixed on the lower end of the plastic pad 1.
[0036] At the same time, lower insertion holes 202 for accommodating the inner screw tube 403 are opened on the four corners of the flexible seat cushion 2, so that the inner screw tube 403 can pass through the flexible seat cushion 2 and then be hidden and stored between the plastic pad 1 and the plastic seat cushion 4.
[0037] Specifically, such as Figure 2 and Figure 3The cam 302 of the embodiment of the present invention is fixed on the upper and lower ends of the cam 304, and the cam 303 of the embodiment of the present invention is fixed on the upper and lower ends of the cam 304.
[0038] Specifically, such as Figure 1 、 Figure 2 and Figure 4 As shown, the inner side of the upper end of the plastic pad 1 is integrally fixedly connected with reinforcing ribs 102 distributed in a grid, which can enhance the impact resistance, bending resistance and fracture resistance of the plastic pad 1 and improve the overall structural strength of the plastic pad 1. The lower end of the flexible seat cushion 2 is provided with a lower buckle groove 203 corresponding to the reinforcing rib 102, which facilitates the flexible seat cushion 2 to be inserted between the plastic pad 1 and the plastic seat cushion 4 for storage.
[0039] The flexible seat cushion 2 is provided with a plurality of first air holes 201 distributed vertically therethrough, and the plastic seat cushion 4 is provided with a plurality of second air holes 402 corresponding to the positions of the first air holes 201. The setting of the first air holes 201 and the second air holes 402 facilitates the flow of external air in the flexible seat cushion 2 and the plastic seat cushion 4, thereby improving the air fluidity of the flexible seat cushion 2 and the plastic seat cushion 4, reducing the occurrence of local heat storage problems, and thus improving the heat dissipation effect of the seat cushion structure.
[0040] The flexible seat cushion 2 is made of silicone, latex, sponge or pure cotton. In the actual production process, one of the above materials can be selected as the material for making the flexible seat cushion 2, and other flexible materials can also be selected as the material for making the flexible seat cushion 2.
[0041] The utility model provides a seat cushion structure for a children's study chair, which can be transformed and applied to other parts of the children's study chair, such as the cushion part of the children's study chair, according to actual production and processing requirements. It can realize the convenient disassembly, cleaning and replacement operations of the backrest part of the children's study chair, and the cushion shape can be adjusted to a soft surface or a hard surface according to the season of use.
[0042] Working principle: When in use, the other parts of the children's learning chair (chair legs, armrests and cushions, etc.) can be installed and fixed on the plastic base plate 1 through the mounting holes 101 and fasteners. Under normal circumstances, the cover 3 is fixed to the fixing buckle 104 of the plastic base plate 1 through the fixing clamp 301, and the flexible seat cushion 2 is tightly wrapped between the plastic base plate 1 and the upper end of the plastic seat cushion 4. At this time, the seat cushion structure is a soft surface structure, which is suitable for use in spring, autumn and winter. When used in summer, the operator can remove the fixing clamp 301 on the cover 3 from the fixing buckle 104 on the plastic base plate 1, hold and turn the multiple knobs 5 under the plastic base plate 1 01, the outer stud 5 can be unscrewed from the inner screw tube 403 on the plastic seat cushion 4, thereby releasing the locking state between the plastic seat cushion 4 and the plastic pad 1, and the plastic seat cushion 4 can be slid vertically away from the top of the plastic pad 1, and then the flexible seat cushion 2 can be inserted into the inner side of the plastic pad 1 through the lower plug hole 202 and the lower buckle groove 203, and finally the plastic seat cushion 4 is reset downward onto the plastic pad 1, and the knob 501 is held and turned again, so that the outer stud 5 can be screwed upward and fixed between the plastic pad 1 and the lower end of the inner screw tube 403. At this time, the seat cushion structure is a hard surface structure, which is not easy to accumulate heat and sweat compared to a seat cushion with a soft surface structure.
[0043] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. An improved children's learning chair seat cushion structure, comprising a plastic backing plate (1), a plurality of mounting holes (101) provided at the lower end of the plastic backing plate (1), a flexible seat cushion (2) provided at the upper end of the plastic backing plate (1), and a protective cover (3) provided between the flexible seat cushion (2) and the plastic backing plate (1), characterized in that: The upper end of the plastic pad (1) is open, and a plastic cushion (4) is detachably mounted between the upper end of the plastic pad (1) and the lower end of the flexible cushion (2) via a latch mechanism. A latch portion is provided between the plastic pad (1) and the cover (3) for facilitating the disassembly of the flexible cushion (2) and the cover (3).
2. The improved children's learning chair cushion structure according to claim 1, characterized in that: The latch mechanism comprises an insert frame (401) fixed to the lower end of the plastic cushion (4) and engaged with the side of the plastic pad (1), an inner screw tube (403) fixed to the four corners of the lower end of the plastic cushion (4) and penetrating downwardly through the plastic pad (1), through holes (103) provided at the four corners of the plastic pad (1) and corresponding to the inner screw tube (403), and an outer stud (5) screwed onto the lower end of the inner screw tube (403) through a thread.
3. The improved children's learning chair cushion structure according to claim 2, characterized in that: The lower end of the outer stud (5) is fixedly connected to a knob (501) that fits with the inner screw tube (403) and the lower end surface of the plastic pad (1).
4. The improved children's learning chair cushion structure according to claim 2, characterized in that: The four corners of the flexible cushion (2) are each provided with a lower insertion hole (202) for accommodating an inner spiral tube (403).
5. The improved children's learning chair cushion structure according to claim 1, characterized in that: The locking portion comprises a plurality of fixing buckles (104) fixed on the four sides of the lower end of the plastic pad (1) and a plurality of fixing rings (301) installed on the four sides of the lower end of the sleeve (3) and engaged with the plurality of fixing buckles (104). Anti-deflection collars (302) that are in transitional fit with the outer stud (5) are installed at the four corners of the lower end of the sleeve (3).
6. The improved children's learning chair cushion structure according to claim 5, characterized in that: The plurality of fixing buckles (104) are in the shape of an L-shaped structure, and the horizontal ends of the plurality of fixing buckles (104) are all directed toward the middle of the plastic pad (1).
7. The improved children's learning chair seat cushion structure according to claim 1, characterized in that: The inner side of the upper end of the plastic pad (1) is integrally fixedly connected with reinforcing ribs (102) distributed in a grid pattern, and the lower end of the flexible seat cushion (2) is provided with a lower buckle groove (203) corresponding to the reinforcing ribs (102).
8. The improved children's study chair cushion structure according to claim 1, characterized in that: The flexible seat cushion (2) is provided with a plurality of first air holes (201) distributed vertically and through-through, and the plastic seat cushion (4) is provided with a plurality of second air holes (402) corresponding to the positions of the first air holes (201).
9. The improved children's learning chair cushion structure according to claim 1, characterized in that: The flexible seat cushion (2) is made of silicone, latex, sponge or pure cotton material.