Magnetic type chair pillow inner and chair

Abstract

The utility model relates to the technical field of pillow inners, and relates to a magnetic attraction type chair pillow inner, in particular to a magnetic attraction type chair pillow inner and a chair. The headrest solves the problem that an existing headrest is not firmly fixed. The magnetic attraction type chair pillow inner comprises a pillow inner body and a magnetic block, the magnetic attraction type chair pillow inner further comprises a magnetic block fixing piece, the magnetic block is fixed to the magnetic block fixing piece through an elastic tensioning structure, and the magnetic block fixing piece is fixed to the pillow inner body. The headrest has the advantages that the mounting firmness of the headrest body is guaranteed, and meanwhile, the disengagement hidden danger caused by unstable fixing is avoided. The magnetic block fixing piece is provided with an elastic tensioning structure, the magnetic block is fixed on the magnetic block fixing piece through the elastic tensioning structure, the magnetic block fixing piece is arranged in the pillow inner body in a hidden mode, and the pillow inner body is fixed to a chair in a magnetic attraction mode through the magnetic block.

Description

Technical Field

[0001] The utility model relates to the technical field of pillow cores, in particular to a magnetic chair pillow core and a chair. Background Art

[0002] Existing chairs usually have a headrest for the head and neck to lean on, and the headrest is used to support the head. For example, Chinese patent number [CN201922232690.4], an adsorption type headrest, includes a chair body, the side surface of the chair body is fixed with a headrest body through a magnetic suction component, the magnetic suction component includes a metal sheet and a magnet sheet, the metal sheet is fixed to the side surface of the chair body by glue, the magnet sheet is fixed to the side surface of the headrest body by glue, the metal sheet and the magnet sheet are attracted to each other, the outer side of the metal sheet is located on the outer wall of the chair body and a limiting ring is provided, the outer side of the magnet sheet is located on the outer wall of the headrest body and a fixing ring is provided, and the outer side of the chair body is sleeved with a pillowcase. This solution places the headrest body on the side of the chair body, and the magnet sheet and the limit ring are attracted to complete the fixation of the headrest body on the chair body, which is convenient for keeping the headrest position fixed and convenient for installation and removal of the headrest; the side surface of the headrest body is sleeved with a pillowcase, and the pillowcase is stably fixed to the side surface of the headrest body by Velcro, which keeps the headrest body clean and tidy, and is convenient for replacing the pillowcase.

[0003] Although the above scheme bonds the metal sheet to the side surface of the chair, and fixes the magnet sheet to the side surface of the headrest body by glue, and fixes the headrest to the chair body by the magnet sheet absorbing the metal sheet, the method of fixing the magnet sheet with glue has the following problems: the glue requires a curing period, resulting in a long production cycle; secondly, there is a risk of the glue falling off, and the design is unreasonable. Utility Model Content

[0004] The purpose of the utility model is to solve the above problems in the existing technology and to provide a magnetic chair pillow core and a chair that solve the above technical problems.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] The magnetic chair pillow core comprises a pillow core body and a magnetic block. The magnetic chair pillow core also comprises a magnetic block fixing part. The magnetic block is fixed to the magnetic block fixing part through an elastic tensioning structure, and the magnetic block fixing part is fixed to the pillow core body.

[0007] In the above-mentioned magnetic chair pillow core, the magnetic block is in a ring shape, and the elastic tensioning structure is an inner elastic tensioning structure that extends into the magnetic block and tensions outwards.

[0008] In the above-mentioned magnetic chair pillow core, the magnetic block fixing part includes a main body plate, and the elastic tensioning structure includes a positioning column with one end connected to the main body plate. The positioning column is provided with a cutting groove for dividing at least part of the positioning column into a plurality of elastic inner expansion arms. The elastic inner expansion arms extend into the magnetic block and the elastic force released by the elastic inner expansion arms fixes the magnetic block.

[0009] In the above-mentioned magnetic chair pillow core, an anti-detachment protrusion is provided at one end of at least one of the elastic inner expansion arms away from the main body plate, and the anti-detachment protrusion is used to prevent the magnetic block from detaching from the elastic inner expansion arm.

[0010] In the above-mentioned magnetic chair pillow core, a first annular cylinder for accommodating the magnetic block is also provided on one side of the main body plate provided with the positioning column.

[0011] In the above-mentioned magnetic chair pillow core, a second annular tube is provided at the outer edge of the main body plate, and the outer wall of the first annular tube, the main body plate and the inner wall of the second annular tube form an annular filling space.

[0012] In the above-mentioned magnetic chair pillow core, a plurality of reinforcing protrusions located in the annular filling space are provided on the main body plate, and a through hole is provided at the connection between each reinforcing protrusion and the main body plate, and the through hole is connected to the annular filling space.

[0013] In the above-mentioned magnetic chair pillow core, a skirt extending radially outward is provided at one end of the second annular tube away from the main body plate, and a plurality of through holes are provided on the skirt.

[0014] In any of the above-mentioned magnetic chair pillow cores, the magnetic block fixing piece is made of plastic material, the pillow core body is injection molded by foam material and the magnetic block fixing piece is embedded.

[0015] A chair comprises a chair body, on which a magnetic part is arranged. The chair also comprises a magnetic chair pillow core as described in any one of the above items, wherein the magnetic block of the magnetic chair pillow core is magnetically attracted to the magnetic part.

[0016] Compared with the prior art, the magnetic chair pillow core has the following beneficial effects:

[0017] The headrest body is ensured to be firmly installed, and at the same time, the risk of detachment due to unstable fixation is avoided. The magnetic block fixing part has an elastic tensioning structure, and the magnetic block is fixed to the magnetic block fixing part through the elastic tensioning structure. The magnetic block fixing part is hidden in the pillow body, and the pillow body is fixed to the chair by magnetic attraction through the magnetic block. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1This is a schematic diagram of the magnetic chair pillow core provided by the utility model being installed on a chair.

[0019] Figure 2 This is a schematic diagram of the structure of the magnetic chair pillow core provided by the utility model.

[0020] Figure 3 for Figure 2 Schematic diagram of the local structure.

[0021] Figure 4 for Figure 3 Schematic diagram of the structure from another perspective.

[0022] In the figure, the pillow core body 1, the magnetic block 2, the mounting hole 21, the magnetic block fixing part 3, the main plate 31, the positioning column 32, the elastic inner expansion arm 33, the anti-slip protrusion 4, the first annular tube 5, the second annular tube 6, the reinforcing protrusion 7, the through-hole 8, the skirt 9, the through-hole 91, the chair body a, and the magnetic part b. DETAILED DESCRIPTION

[0023] The following are specific embodiments of the utility model and the accompanying drawings to further describe the technical solution of the utility model, but the utility model is not limited to these embodiments.

[0024] Embodiment 1

[0025] like Figures 1 to 4 As shown, the magnetic chair pillow core includes a pillow core body 1 and a magnetic block 2. The magnetic chair pillow core also includes a magnetic block fixing part 3. The magnetic block 2 is fixed to the magnetic block fixing part 3 through an elastic tensioning structure, and the magnetic block fixing part 3 is fixed to the pillow core body 1. Specifically, the magnetic block 2 is a strong magnetic block, the magnetic chair pillow core is a headrest or a lumbar pillow, and more specifically, the magnetic block fixing part 3 is made of plastic material, the pillow core body 1 is injection molded by a foam material and the magnetic block fixing part 3 is embedded to ensure the stability of the connection between them and achieve a good magnetic attraction effect.

[0026] In order to fix the magnetic block 2 well, Figure 1 and Figure 2 As shown, the magnetic block 2 is in a ring shape, and the elastic tensioning structure is an inner elastic tensioning structure that extends into the magnetic block 2 and tensions outwards, thereby ensuring the fixing stability of the magnetic block 2 and preventing the magnetic block 2 installed in the magnetic fixing member 3 from being displaced.

[0027] In order to realize that the magnetic fixing block 3 fixes the magnetic block 2 by elastic tension, as Figures 1 to 3As shown, the magnetic block fixing part 3 includes a main body plate 31, and the elastic tensioning structure includes a positioning column 32 connected to the main body plate 31 at one end, and a cutting groove is provided on the positioning column 32 to divide at least part of the positioning column 32 into a plurality of elastic inner expansion arms 33. The elastic inner expansion arms 33 extend into the magnetic block 2 and the elastic force released by the elastic inner expansion arms 33 fixes the magnetic block 2.

[0028] In order to prevent the magnetic block 2 installed in the elastic inner expansion arm 33 from being separated, Figures 1 to 4 As shown, an anti-slip protrusion 4 is provided at one end of at least one elastic inner expansion arm 33 away from the main plate 31, and the anti-slip protrusion 4 is used to prevent the magnetic block 2 from being separated from the elastic inner expansion arm 33. Specifically, in this embodiment, the anti-slip protrusion 4 is a conical block with the end of the elastic inner expansion arm 33 protruding outward, and a mounting hole 21 is penetrated at the center of the magnetic block 2. When the magnetic block 2 is inserted into the elastic inner expansion arm 33 through one end of the mounting hole 21 and extends into the positioning column 32, the elastic inner expansion arm 33 extends from the other end of the mounting hole 21 and releases the elastic force to make the anti-slip protrusion 4 expand outward to prevent the magnetic block 2 from being separated.

[0029] To facilitate the accommodation of the magnetic block 2, specifically, in this embodiment, the main plate 31 is provided with a first annular tube 5 for accommodating the magnetic block 2 on one side of the positioning column 32. The first annular tube 5 is any one of a circular tube, a triangular tube and a rectangular tube. More specifically, the outer edge of the main plate 31 is provided with a second annular tube 6, and the outer wall of the first annular tube 5, the main plate 31 and the inner wall of the second annular tube 6 form an annular filling space.

[0030] To ensure the connection stability between the main plate 31 and the pillow body 1. Figures 1 to 4 As shown, a plurality of reinforcing protrusions 7 in the annular filling space are provided on the main plate 31, and a through hole 8 is provided at the connection between each reinforcing protrusion 7 and the main plate 31, and the through hole 8 is communicated with the annular filling space.

[0031] To achieve good connection of the magnetic block fixing member 3 , specifically, in this embodiment, a skirt 9 extending radially outward is provided at one end of the second annular cylinder 6 away from the main plate 31 , and a plurality of through holes 91 are provided on the skirt 9 .

[0032] The headrest body is ensured to be firmly installed, and at the same time, the risk of detachment due to unstable fixation is avoided. The magnetic block fixing part has an elastic tensioning structure, and the magnetic block is fixed to the magnetic block fixing part through the elastic tensioning structure. The magnetic block fixing part is hidden in the pillow body, and the pillow body is fixed to the chair by magnetic attraction through the magnetic block.

[0033] Embodiment 2

[0034] like Figures 1 to 4As shown, the chair includes a chair body a, on which a magnetic part b is provided. The chair also includes the magnetic chair pillow core of the above-mentioned embodiment 1, and the magnetic block 2 of the magnetic chair pillow core is magnetically attracted to the magnetic part b.

[0035] Although this article uses more terms such as pillow body 1, magnetic block 2, mounting hole 21, magnetic block fixing part 3, main body plate 31, positioning column 32, elastic inner expansion arm 33, anti-drop protrusion 4, first annular tube 5, second annular tube 6, reinforcement protrusion 7, through-hole 8, skirt 9, through hole 91, chair body a, magnetic part b, etc., it does not exclude the possibility of using other terms. The use of these terms is only to more conveniently describe and explain the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

[0036] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A magnetic chair pillow core, comprising a pillow core body (1) and a magnetic block (2), characterized in that: The magnetic chair pillow core further comprises a magnetic block fixing part (3), the magnetic block (2) is fixed to the magnetic block fixing part (3) via an elastic tensioning structure, and the magnetic block fixing part (3) is fixed to the pillow core body (1); The magnetic block fixing member (3) comprises a main body plate (31), the elastic tensioning structure comprises a positioning column (32) one end of which is connected to the main body plate (31), the positioning column (32) is provided with a cutting groove for cutting at least part of the positioning column (32) into a plurality of elastic inner expansion arms (33), the elastic inner expansion arms (33) extend into the magnetic block (2), and the elastic force released by the elastic inner expansion arms (33) fixes the magnetic block (2).

2. The magnetic chair pillow core according to claim 1, characterized in that: The magnetic block (2) is in a ring shape, and the elastic tensioning structure is an internal elastic tensioning structure that extends into the magnetic block (2) and is tensioned outwards.

3. The magnetic chair pillow core according to claim 1, characterized in that: An anti-slip protrusion (4) is provided at one end of at least one of the elastic inner expansion arms (33) away from the main body plate (31), and the anti-slip protrusion (4) is used to prevent the magnetic block (2) from escaping from the elastic inner expansion arm (33).

4. The magnetic chair pillow core according to claim 1, characterized in that: A first annular cylinder (5) for accommodating the magnetic block (2) is also provided on one side of the main body plate (31) on which the positioning column (32) is provided.

5. The magnetic chair pillow core according to claim 4, characterized in that: A second annular cylinder (6) is provided on the outer edge of the main body plate (31), and an annular filling space is formed by the outer wall of the first annular cylinder (5), the main body plate (31) and the inner wall of the second annular cylinder (6).

6. The magnetic chair pillow core according to claim 5, characterized in that: A plurality of reinforcing protrusions (7) located in the annular filling space are provided on the main body plate (31), and a through hole (8) is provided at the connection between each reinforcing protrusion (7) and the main body plate (31), wherein the through hole (8) is communicated with the annular filling space.

7. The magnetic chair pillow core according to claim 5, characterized in that: A skirt (9) extending radially outward is provided at one end of the second annular cylinder (6) away from the main body plate (31), and a plurality of through holes (91) are provided on the skirt (9).

8. The magnetic chair pillow core according to any one of claims 1 to 7, characterized in that: The magnetic block fixing piece (3) is made of plastic material, the pillow core body (1) is injection-molded by a foam material and the magnetic block fixing piece (3) is embedded and fixed.

9. A chair, comprising a chair body (a), on which a magnetic member (b) is provided, characterized in that: The chair also includes the magnetic chair pillow core according to any one of claims 1 to 8, wherein the magnetic block (2) of the magnetic chair pillow core is magnetically attracted to the magnetic part (b).

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