CN218898935U

CN218898935U - Anti-deformation plastic chair surface structure

Info

Publication number: CN218898935U
Application number: CN202222862940.4U
Authority: CN
Inventors: 吴冬青
Original assignee: Mio Furniture Inc
Current assignee: Mio Furniture Inc
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-04-25
Anticipated expiration: 2032-10-28

Abstract

The utility model relates to an anti-deformation plastic chair surface structure which comprises a seat plate and a mounting bracket, wherein the seat plate is of a plastic structure, a supporting skirt edge is arranged on the seat plate, an annular supporting step extending along the circumferential direction of the seat plate is arranged on the inner side of the supporting skirt edge, the seat plate is supported on the mounting bracket through the supporting step, a plurality of reinforcing ribs which are vertically and horizontally crossed are arranged on the back surface of the seat plate, the size of the reinforcing ribs in the vertical direction gradually decreases from the middle to the two ends, and the mounting bracket is of a stainless steel structure. The first object of the utility model is to provide an anti-deformation plastic chair seat structure which is not easy to deform, and solve the problem that the existing plastic chair seat is easy to deform.

Description

Anti-deformation plastic chair surface structure

Technical Field

The utility model relates to the technical field of chairs, in particular to an anti-deformation plastic chair seat structure.

Background

The chair is a daily furniture, and according to materials, the chair comprises a metal chair, a wood chair, a plastic chair and the like. In chinese patent application No. CN201410096480.6, the patent document named "plastic seat without cushion in injection molding" discloses a conventional plastic chair, wherein the seat of the conventional plastic chair is designed as a thin plate structure and is easy to deform; in addition, the chair surface is in an exposed state for a user to sit, so that the chair is not only poor in comfort and easy to age when in use.

Disclosure of Invention

The first object of the utility model is to provide an anti-deformation plastic chair seat structure which is not easy to deform, and solve the problem that the existing plastic chair seat is easy to deform.

The second purpose of the utility model is to further provide the deformation-resistant plastic seat structure which has good comfort when sitting and can delay the aging of the seat, and the problems of poor comfort and easy aging of the seat when the existing plastic seat is taken are solved.

The technical problems are solved by the following technical scheme: the utility model provides a deformation-preventing plastic chair surface structure, includes bedplate and mounting bracket, the bedplate is plastic construction, the bedplate is equipped with the support shirt rim, be equipped with on the inboard of support shirt rim along bedplate circumference extension's annular supporting step, the bedplate passes through the supporting step supports on the mounting bracket, the back of bedplate is equipped with a plurality of criss-cross strengthening ribs, the strengthening rib is along the size of upper and lower direction from the centre to both ends diminish gradually, the mounting bracket is stainless steel construction. According to the utility model, the stainless steel mounting bracket is arranged to support and limit the seat board, and the reinforcing ribs are designed on the lower surface of the seat board, so that the seat is not easy to deform. The upper and lower sizes of the reinforcing ribs are reduced from the middle to two sides, so that the stress effect can be optimized.

Preferably, a lining board is arranged between the seat board and the mounting bracket, the lining board covers the reinforcing ribs, and the lining board and the reinforcing ribs are fixed together. The flatness of the lower surface of the seat board can be improved, and the cleaning is convenient.

Preferably, the peripheral edge of the inner liner is abutted against the inner peripheral surface of the support skirt. The deformation preventing effect can be improved.

Preferably, the seat plate is sleeved with a light shield, the supporting steps are provided with a plurality of vertical jacks, the vertical jacks are distributed along the circumferential direction of the seat plate, the seat plate is covered by the light shield, the edge of the light shield is provided with fixing belts which are inserted into the vertical jacks in a one-to-one correspondence manner, the mounting bracket is provided with a plurality of bolts which are inserted into the vertical jacks in a one-to-one correspondence manner, the bolts are inserted into the vertical jacks in a pluggable manner, the fixing belts are hung in the vertical jacks by the bolts, and the light shield is of a flexible structure. The shading cover is arranged, so that the ageing of the chair surface can be delayed. The sunshade is flexible structure, can improve the travelling comfort when taking. The detachable structure is arranged between the light shield and the chair surface, so that the light shield can be taken down for cleaning. The light shield is fixed reliably. The second object is achieved.

Preferably, the lower end of the light shield is provided with an inner folded edge, a protective sleeve is formed between the inner folded edge and the side wall of the light shield, the lower end of the support skirt is arranged in the protective sleeve in a penetrating manner, the fixing belt is connected to the inner folded edge, and the lower end of the support skirt outputs the mounting bracket downwards. The sunshade can cover the whole chair surface, and the anti-aging effect is good.

Preferably, the mounting bracket is provided with a plurality of pressing blocks extending along the circumferential direction of the supporting skirt, and the inner peripheral surface of the pressing blocks matched with the supporting skirt clamps the inner folded edge. The fixing reliability can be improved, and the probability of damaging the fixing belt when the light shield is pulled up is reduced.

Preferably, the pressing block is of a spring plate structure. The requirement on the matching precision between the support skirt and the pressing block can be reduced, and the convenience in manufacturing is improved.

Preferably, a hanging sleeve is arranged on the fixing belt, and the hanging sleeve covers the upper end of the bolt to hang the fixing belt in the vertical jack through the bolt. The convenience of the bolt when the fixing belt is installed in the vertical jack can be improved.

Preferably, the mounting bracket is provided with a plurality of chair leg fixing structures, one chair leg fixing structure is used for fixing one chair leg with the mounting bracket, the chair leg fixing structure comprises two fixing bolts and two bolt holes formed in the mounting bracket, the bolt holes penetrate through the mounting bracket along the up-down direction, the two fixing bolts penetrate through the two bolt holes in a one-to-one correspondence manner, the threaded ends of the fixing bolts face downwards, the fixing bolts are hexagon socket head bolts, and two screw holes matched with the two fixing bolts of the same chair leg are formed in the chair leg. The chair leg is reliable and firm when fixed, and the chair leg can not rotate to cause connection looseness.

Preferably, the chair leg fixing structure further comprises a connecting sheet and two bolts, the lower end of each bolt is a regular hexagonal prism section, the upper end of each bolt is a cylindrical section, the cylindrical section is located on the upper end face of each regular hexagonal prism section, a step face is formed between the cylindrical section and each regular hexagonal prism section, the connecting sheet is sleeved on the cylindrical section and is placed on the step face, the size of the regular hexagonal prism section is equal to that of an inner hexagonal hole of the head of each fixing bolt, a hanging block located above the connecting sheet is arranged on the cylindrical section, two limit stops matched with the hanging blocks are arranged on the upper surface of each connecting sheet, the hanging blocks are located between the two limit stops, the rotating angle of each hanging block when rotating from one limit stop to the other limit stop is larger than 60 degrees, and the lower ends of the two bolts are inserted into the inner hexagonal holes of the heads of the two fixing bolts in a one-to-one correspondence mode. The fixing bolt can be prevented from loosening.

Preferably, the distance between the lower end face of one bolt and the hanging block is larger than the distance between the lower end face of the other bolt and the hanging block. The bolt is convenient to insert into the fixing bolt. When the bolt is used, one bolt is positioned outside the fixing bolt, then the other bolt is rotated to be aligned with the inner hexagonal hole of the other fixing bolt and inserted into the inner hexagonal hole of the other fixing bolt until the other bolt is interfered by the one bolt, then the one bolt is rotated to be aligned with the inner hexagonal hole of the other fixing bolt, and then the connecting piece is pressed down so that the two bolts are correspondingly inserted into the inner hexagonal holes of the two fixing bolts one by one.

The utility model has the following beneficial effects: the structural strength is good, and the deformation is not easy; the shading cover is arranged, so that the ageing of the chair surface can be delayed; the light shield is of a flexible structure, so that the comfort is good when sitting; the light shield can be detached, so that the light shield is convenient to take down and clean; the fixation between the light shield and the seat board is reliable.

Drawings

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is an enlarged partial schematic view at A of FIG. 1;

fig. 3 is a schematic top view of the chair leg fixing structure in use.

In the figure: the seat board 1, the mounting bracket 2, the supporting skirt 3, the supporting step 4, the reinforcing rib 5, the inner lining board 6, the light shield 7, the vertical insertion hole 8, the inner folded edge 9, the fixing band 10, the bolt 11, the hanging sleeve 12, the pressing block 13, the fixing bolt 14, the connecting piece 15, the bolt 16, the regular hexagonal prism section 17, the cylindrical section 18, the step surface 19, the inner hexagonal hole 20 of the fixing bolt head, the hanging block 21, the limit stop 22 and the zipper 23.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 3, a deformation-preventing plastic seat structure includes a seat plate 1 and a mounting bracket 2. The bedplate is plastic construction, and the bedplate is equipped with and supports shirt rim 3, is equipped with on the inboard of supporting shirt rim along bedplate circumference extension's annular supporting step 4, and the bedplate passes through supporting step and supports on the mounting bracket, and the back of bedplate is equipped with a plurality of criss-cross strengthening ribs 5, and the size of strengthening rib along the upper and lower direction diminishes gradually to both ends from the centre. The mounting bracket is of a stainless steel structure. An inner lining plate 6 is arranged between the seat plate and the mounting bracket, covers the reinforcing ribs, and is fixed together with the reinforcing ribs. The periphery of the inner lining plate is abutted with the inner peripheral surface of the supporting skirt. The seat board is sleeved with a light shield 7, a plurality of vertical jacks 8 are arranged on the supporting steps, the vertical jacks are distributed along the circumferential direction of the seat board, and the light shield covers the seat board. The lower extreme of lens hood is equipped with interior hem 9, forms the lag between the lateral wall of interior hem and lens hood, and the lower extreme of support shirt rim wears to establish in the lag, is equipped with a plurality of fixed bands 10 on the interior hem, and the lower extreme of support shirt rim exports the mounting bracket downwards. The light shield is of a flexible structure. The fixing belts are inserted into the vertical jacks in a one-to-one correspondence manner. The mounting bracket is provided with a plurality of bolts 11 which are correspondingly penetrated in the vertical jacks one by one, and the bolts are inserted in the vertical jacks in a pluggable manner. The bolt hangs the fixed band in vertical jack, specifically: the fixing belt is provided with a hanging sleeve 12 which covers the upper end of the bolt to hang the fixing belt in the vertical jack through the bolt. The mounting bracket is provided with a plurality of pressing blocks 13 extending along the circumference of the supporting skirt, and the inner peripheral surface of the supporting skirt is matched with the pressing blocks to clamp the inner folded edge. The pressing block is of a spring plate structure.

The mounting bracket is provided with a plurality of chair leg fixing structures, the number of the chair leg fixing structures is the same as that of the chair legs of the chair with the utility model, and one chair leg fixing structure is used for fixing one chair leg with the mounting bracket. The chair leg fixing structure comprises two fixing bolts 14 and two bolt holes arranged on the mounting bracket, the bolt holes penetrate through the mounting bracket along the up-down direction, the two fixing bolts penetrate through the two bolt holes in a one-to-one correspondence mode, the threaded ends of the fixing bolts face downwards, the fixing bolts are hexagon socket head cap bolts, and two threaded holes matched with the fixing bolts and the same chair leg are formed in the chair leg. The chair leg fixing structure further comprises a connecting sheet 15 and two bolts 16, wherein the lower end of each bolt is a regular hexagonal prism section 17, the upper end of each bolt is a cylindrical section 18, the cylindrical section is located on the upper end face of each regular hexagonal prism section, a step face 19 is formed between the cylindrical section and each regular hexagonal prism section, the connecting sheet is sleeved on the cylindrical section and is placed on the step face, the size of the regular hexagonal prism section is equal to that of an inner hexagonal hole 20 of the head of each fixing bolt, a hanging block 21 located above the connecting sheet is arranged on the cylindrical section, two limit stops 22 matched with the hanging blocks are arranged on the upper surface of each connecting sheet, the hanging blocks are located between the two limit stops, and the rotating angle of each hanging block when rotating from one limit stop to the other limit stop is larger than 60 degrees. The lower ends of the two bolts are correspondingly inserted into the inner hexagonal holes of the heads of the two fixing bolts one by one (namely, the regular hexagonal prism sections are inserted into the inner hexagonal holes of the heads of the fixing bolts). The distance between the lower end face of one bolt and the hanging block is larger than the distance between the lower end face of the other bolt and the hanging block.

When the folding chair is used, the chair surface and the support bracket can be separated by pulling the chair surface upwards, and then the light shield is taken down, so that the light shield is convenient to be taken down from the chair surface, the inner folded edge is provided with an opening extending from the edge to the bottom wall of the protective sleeve, the opening is folded through the zipper 23, and the opening is opened by pulling the zipper open, so that the folding chair is convenient to take down.

When in use, the chair leg is connected in the threaded hole on the chair leg through the fixing bolt. After the connection is completed, the bolt is inserted into the inner hexagonal hole of the head part of the fixing bolt. The process of inserting the bolt into the inner hexagonal hole of the head part of the fixing bolt is as follows: one bolt is positioned outside the fixing bolt, then the other bolt is rotated to be aligned with the inner hexagonal hole of the other fixing bolt and inserted into the inner hexagonal hole of the other fixing bolt until the other bolt is interfered to be inserted, then the one bolt is rotated to be aligned with the inner hexagonal hole of the other fixing bolt, and then the connecting sheet is pressed down so that the two bolts are correspondingly inserted into the inner hexagonal holes of the two fixing bolts one by one.

Claims

1. The utility model provides a deformation-preventing plastic chair seat structure, includes the bedplate, the bedplate is plastic construction, its characterized in that, still includes mounting bracket, the bedplate is equipped with the support shirt rim, be equipped with on the inboard of support shirt rim along the annular supporting step of bedplate circumference extension, the bedplate passes through the supporting step supports on the mounting bracket, the back of bedplate is equipped with a plurality of crisscross strengthening ribs, the strengthening rib reduces gradually to both ends along the size of upper and lower direction from the centre, mounting bracket is stainless steel construction.

2. A deformation-resistant plastic seat structure according to claim 1, wherein a lining plate is provided between the seat plate and the mounting bracket, the lining plate covering the reinforcing ribs, the lining plate being fixed with the reinforcing ribs.

3. The seat structure of claim 2, wherein the peripheral edge of the inner liner abuts the inner peripheral surface of the support skirt.

4. The deformation-preventing plastic chair surface structure according to claim 1, 2 or 3, wherein a light shield is sleeved on the seat plate, a plurality of vertical jacks are arranged on the supporting step, the vertical jacks are distributed along the circumferential direction of the seat plate, the light shield covers the seat plate, fixing belts which are inserted into the vertical jacks in a one-to-one correspondence manner are arranged at the edges of the light shield, a plurality of bolts which are inserted into the vertical jacks in a one-to-one correspondence manner are arranged on the mounting bracket, the bolts are inserted into the vertical jacks in a pluggable manner, the fixing belts are hung in the vertical jacks by the bolts, and the light shield is of a flexible structure.

5. The deformation-preventing plastic chair surface structure according to claim 4, wherein an inner folded edge is arranged at the lower end of the light shield, a protective sleeve is formed between the inner folded edge and the side wall of the light shield, the lower end of the supporting skirt is arranged in the protective sleeve in a penetrating manner, the fixing belt is connected to the inner folded edge, and the lower end of the supporting skirt outputs the mounting bracket downwards.

6. The seat structure of claim 5, wherein the mounting bracket is provided with a plurality of pressing blocks extending circumferentially along the support skirt, and the pressing blocks cooperate with the inner peripheral surface of the support skirt to clamp the inner flange.

7. The deformation-preventing plastic seat structure according to claim 4, wherein the fixing belt is provided with a hanging sleeve, the hanging sleeve covers the upper end of the bolt, and the fixing belt is hung in the vertical jack through the bolt.

8. A deformation-preventing plastic chair surface structure according to claim 1, 2 or 3, wherein the mounting bracket is provided with a plurality of chair leg fixing structures, one chair leg fixing structure is used for fixing one chair leg with the mounting bracket, the chair leg fixing structure comprises two fixing bolts and two bolt holes arranged on the mounting bracket, the bolt holes penetrate through the mounting bracket along the up-down direction, the two fixing bolts are correspondingly arranged in the two bolt holes in a penetrating mode, the threaded ends of the fixing bolts face downwards, the fixing bolts are hexagon socket head bolts, and the chair leg is provided with two threaded holes matched with the two fixing bolts of the same chair leg.

9. The deformation-preventing plastic chair surface structure according to claim 8, wherein the chair leg fixing structure further comprises a connecting sheet and two bolts, the lower ends of the bolts are regular hexagonal prism sections, the upper ends of the bolts are cylindrical sections, the cylindrical sections are located on the upper end faces of the regular hexagonal prism sections, step surfaces are formed between the cylindrical sections and the regular hexagonal prism sections, the connecting sheet is sleeved on the cylindrical sections and is placed on the step surfaces, the regular hexagonal prism sections are equal to the inner hexagonal holes of the heads of the fixing bolts in size, the cylindrical sections are provided with hanging blocks located above the connecting sheet, two limit stops matched with the hanging blocks are arranged on the upper surfaces of the connecting sheet, the hanging blocks are located between the two limit stops, the rotation angle of the hanging blocks when rotating from one limit stop to the other limit stop is larger than 60 degrees, and the lower ends of the two bolts are inserted into the inner hexagonal holes of the heads of the two fixing bolts in a one-to-one correspondence mode.

10. The seat structure of claim 9, wherein the distance between the lower end surface of one of the pins and the hanger is greater than the distance between the lower end surface of the other pin and the hanger.