CN219845845U - Cushion for sitting - Google Patents

Abstract

The embodiment of the utility model relates to the technical field of articles for daily use, and discloses a cushion, which comprises: a gel cushion layer; a composite cloth layer attached to the bottom surface of the gel cushion layer; the memory cotton layer is attached to the bottom surface of the composite cloth layer, which is away from the gel cushion layer, the outer circumferences of the two sides of the memory cotton layer along the thickness direction are respectively provided with a first die closing ridge line and a second die closing ridge line, and the outer circumferences of the memory cotton layer, which are positioned between the first die closing ridge line and the second die closing ridge line, are smooth surfaces. Through the mode, the embodiment of the utility model can ensure that the surface of the memory cotton is smooth and flat, and the overall attractiveness of the cushion is improved.

Description

Cushion for sitting

Technical Field

The embodiment of the utility model relates to the technical field of articles for daily use, in particular to a seat cushion.

Background

In daily life, because the seat support member is hard, the seat support member is easy to cause discomfort to a human body when sitting for a long time, and for this purpose, people often place a cushion on the seat support member to improve sitting comfort.

The seat cushions on the market at present are various in types, most of the seat cushions are made of foam, the foam can deform and cannot recover under the condition of long-time compression, so that the comfort level is reduced after the service life is prolonged, and the seat cushion made of the memory cotton material well solves the problem.

The memory cotton cushion is generally composed of a gel material at the top and memory cotton at the bottom, when the memory cotton cushion is processed, the gel material with a film is firstly placed in a groove of a lower die, the area of the film is large, the film can completely cover the inner wall of the upper groove of the lower die, so that the film forms a groove shape, then memory cotton liquid is injected into the groove covered with the film on the lower die, and the upper die is covered for foaming to obtain the memory cotton cushion. As the periphery of the memory cotton is invaded by the film with wrinkles in the foaming process of the memory cotton liquid, cracks exist around the memory cotton which is finally formed, and the film is combined around the memory cotton which is formed, so that the attractiveness of the cushion is poor.

Disclosure of Invention

In view of the problems, the embodiment of the utility model provides the cushion, which ensures that the surface of the memory cotton in the cushion is smooth and flat, and improves the overall attractiveness of the cushion.

According to an aspect of an embodiment of the present utility model, there is provided a seat cushion including: a gel cushion layer; a composite cloth layer attached to the bottom surface of the gel cushion layer; the memory cotton layer is attached to the bottom surface of the composite cloth layer, which is away from the gel cushion layer, the outer circumferences of the two sides of the memory cotton layer along the thickness direction are respectively provided with a first die closing ridge line and a second die closing ridge line, and the outer circumferences of the memory cotton layer, which are positioned between the first die closing ridge line and the second die closing ridge line, are smooth surfaces.

In the cushion provided by the embodiment of the utility model, the first mold closing ridge and the second mold closing ridge are arranged on the outer circumferences of the two sides of the memory cotton layer along the thickness direction, so that the overall three-dimensional effect of the cushion is stronger, and the outer circumference of the memory cotton layer between the first mold closing ridge and the second mold closing ridge is provided with a smooth surface, so that the overall surface of the cushion is smooth and flat, and the cushion has good aesthetic property.

In an alternative, the gel pad is honeycomb-shaped and the opposite sides are interconnected. The cellular gel cushion layer can play a good supporting role on buttocks of passengers, and based on the high elasticity of the gel cushion layer, riding comfort can be guaranteed, good air permeability can be guaranteed through the mutual through arrangement of two opposite surfaces of the gel cushion layer, and riding experience of users is improved.

In an alternative, the gel pad is concave in an arc shape in the width direction. When a user sits on the cushion, gravity can be applied to the cushion, and as the gel cushion layer is concave in an arc shape along the width direction, and the gel cushion layer and the memory cotton layer have strong deformation capability, when the middle area of the cushion is stressed, the two sides of the cushion, which are thicker along the width direction, can shrink inwards, so that good wrapping effect is achieved on buttocks and thighs of the user, and the riding comfort is improved.

In an alternative, the thickness of the edges of the gel pad is less than the thickness of the central region thereof. Through setting the thickness of gel bed course edge to be less than the thickness in middle region, not only can guarantee that gel bed course middle region can provide good, reliably support for user's buttock and shank, can avoid the edge of gel bed course to cause excessive parcel oppression to user's buttock and shank simultaneously, guarantee to provide suitable parcel dynamics for the user, guarantee the travelling comfort that the user took.

In an alternative mode, the front side of the top surface of the memory cotton layer presents a downward curved arc surface, so that the front sides of the composite cloth layer and the gel cushion attached to the top surface of the memory cotton layer presents a downward curved arc surface. Through setting the front side of memory cotton layer top surface to the cambered surface of downwarping for the front side of the gel bed course that laminates on it is the downwarping state, and when taking, the user is because the thickness of cushion front side is the gradual change, thereby can not cause the uncomfortable of thigh part or knee back side part skin when providing comfortable support for user's shank.

In an alternative, the thickness of the portion of the front side of the gel pad that is curved downward is less than the thickness of the middle portion of the gel pad. Through being the thickness setting of the part that the gel bed course front side was the downwarping to be less than the thickness of gel bed course mid portion, can guarantee that the cushion front side provides the support for user's shank, can not cause excessive oppression to user's shank, guarantees the travelling comfort that the user took.

In an alternative mode, two sides of the memory cotton layer along the width direction are cambered surfaces which are concave along the thickness direction, and the width of the top end of the memory cotton layer is larger than that of the bottom end of the memory cotton layer. By setting the width of the top end of the memory cotton layer to be greater than the width of the bottom end thereof, the cushion can be ensured to be placed on the seat support member when the area of the seat support member is limited, and the cushion can provide a larger support surface and a stronger wrapping for the occupant.

In an alternative, the thickness of the cushion in the longitudinal direction in the central region is greater than the thickness of the ends. Through setting up the cushion along length direction to the thickness that the middle zone was greater than both ends for when the user sits on the cushion, tailstock department is embedded state downwards, buttock and thigh receive good support, and front end shank bending department obtains comfortable support, and is whole more relaxed.

In an alternative, the central region of the rear side of the seat cushion is provided with a notch. Through set up the breach at the intermediate area of cushion rear side for the human buttock structure of laminating more is supported to the cushion holding surface, thereby provides more comfortable support for the passenger, and the breach in intermediate area avoids the tailbone region of passenger just, avoids causing the oppression to the tailbone of passenger.

The foregoing description is only an overview of the present utility model, and is intended to be implemented in accordance with the teachings of the present utility model in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present utility model more readily apparent.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

fig. 1 is a schematic perspective view of a seat cushion according to an embodiment of the present utility model;

fig. 2 is an exploded view of a mold for processing a seat cushion according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a gel pad according to an embodiment of the present utility model;

fig. 4 is a schematic front view of a seat cushion according to an embodiment of the present utility model;

fig. 5 is a schematic side view of a seat cushion according to an embodiment of the present utility model.

Reference numerals in the specific embodiments are as follows:

100. a cushion; 110. a gel cushion layer; 111. a honeycomb unit; 120. a composite cloth layer; 130. a memory cotton layer; 131. a first mold closing ridge; 132. a second mold closing ridge; 133. a side surface; 140. a notch;

200. a mold; 210. a first mold part; 211. a first accommodation chamber; 220. a second mold part; 221. a second accommodation chamber; 230. and a third die member.

Detailed Description

Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion.

In the description of embodiments of the present utility model, the technical terms "first," "second," and the like are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more unless explicitly defined otherwise.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the embodiments of the present utility model, the term "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: there are three cases, a, B, a and B simultaneously. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

In the description of the embodiments of the present utility model, the term "plurality" means two or more (including two), and similarly, "plural sets" means two or more (including two), and "plural sheets" means two or more (including two).

In the description of the embodiments of the present utility model, the orientation or positional relationship indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present utility model.

In the description of the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like should be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

When the memory cotton cushion is processed, the integrated gel material and the film are required to be placed in the accommodating cavity of the lower die together, wherein the gel material is positioned at the lower layer, the film is positioned at the upper layer, in order to ensure that memory cotton liquid and the gel material are completely isolated, the area of the film is large, the inner wall of the accommodating cavity is completely shielded, the film forms a groove shape, then the memory cotton liquid is injected into the groove formed by the film, the upper die is covered for foaming, and the film coated around the memory cotton inevitably generates wrinkles and the like, so that the memory cotton can be invaded in the foaming process, cracks and the like exist around the memory cotton which cause foaming molding, the attractiveness and the service life of the cushion are influenced, and the finally molded cushion only forms a mold closing edge line on the side surface, so that the three-dimensional sense and the attractiveness are poor.

Based on the structure, the gel cushion layer at the top and the memory cotton layer at the bottom of the cushion are tightly connected through the middle composite cloth layer, the outer circumferences of the two sides of the memory cotton layer along the thickness direction are respectively provided with the first die closing ridge line and the second die closing ridge line, the overall stereoscopic impression and the aesthetic degree of the cushion are improved, the outer circumferential surfaces between the first die closing ridge line and the second die closing ridge line are smooth, and the cushion is concise and attractive as a whole.

Referring specifically to fig. 1, a seat cushion provided by an embodiment of the present utility model is shown, and as shown in the figure, a seat cushion 100 includes a gel cushion layer 110, a composite cloth layer 120, and a memory cotton layer 130. The composite cloth layer 120 is attached to the bottom surface of the gel pad layer 110, and the memory cotton layer 130 is attached to the bottom surface of the composite cloth layer 120 facing away from the gel pad layer 110. The memory cotton layer 130 has a first mold ridge 131 and a second mold ridge 132 on outer peripheral edges on both sides in the thickness direction (direction shown by z-axis in the figure), and the outer periphery of the memory cotton layer 130 between the first mold ridge 131 and the second mold ridge 132 has a smooth surface.

The gel cushion 110 may be made of TPE gel material, which is an ultra-soft thermoplastic elastomer having good cushioning properties, and can improve the riding comfort of a human body as a cushion layer contacting the buttocks of the human body in the seat cushion.

In the process of processing the cushion 100, the gel cushion layer 110 needs to be molded first, then the memory cotton layer 130 is foamed, and when the memory cotton layer 130 is foamed, the memory cotton layer 130 cannot be directly combined with the gel cushion layer 110, so that the composite cloth layer 120 is arranged between the gel cushion layer 110 and the memory cotton layer 130, and when in processing, the gel cushion layer 110 is molded on the composite cloth layer 120 first to form an integral structure, and then the memory cotton layer 130 is foamed to form tight combination with the composite cloth layer 120, so that the cushion 100 is finally manufactured.

For foam molding of the memory cotton layer 130, a mold 200 as shown in fig. 2 is employed, the mold 200 including a first mold member 210, a second mold member 220, and a third mold member 230, which are sequentially stacked from bottom to top. The top surface of the first mold part 210 is provided with a first accommodating cavity 211, and in the integrally formed gel cushion layer 110 and the composite cloth layer 120, the edge of the composite cloth layer 120 protrudes out of the edge of the gel cushion layer 110, wherein the gel cushion layer 110 is arranged in the first accommodating cavity 211, and the composite cloth layer 120 covers the opening of the first accommodating cavity 211. The second mold part 220 has a hollow structure, and a second receiving cavity 221 is formed inside the second mold part 220, and after the second mold part 220 is pressed against the first mold part 210, the composite cloth layer 120 can be only clamped between the second mold part 220 and the first mold part 210, so that the bottom of the second receiving cavity 221 is sealed, and the second receiving cavity 221 is completely isolated from the first receiving cavity 211. After the above steps are completed, the memory cotton liquid is injected into the second accommodating cavity 221, and then the third mold member 230 is covered on the second mold member 220, and the foaming treatment is performed on the memory cotton liquid in the second mold member, so as to finally prepare the seat cushion 100 provided by the embodiment of the present utility model.

In the prepared cushion 100, a first mold closing ridge 131 and a second mold closing ridge 132 are formed on the outer peripheral edges of both sides of the memory foam layer 130 in the thickness direction, wherein the first mold closing ridge 131 is formed at the junction of the first mold part 210 and the second mold part 220 when the memory foam is foamed and molded, and the second mold closing ridge 132 is formed at the junction of the second mold part 220 and the third mold part when the memory foam is foamed and molded. Since the first and second mold closing ridges 131 and 132 are formed at the outer circumferences of both sides of the memory cotton layer 130 in the thickness direction, respectively, the seat cushion 100 exhibits a more stereoscopic visual effect.

Further, when the memory cotton liquid is foamed and molded, the fourth Zhou Zhijie is limited by the smooth inner wall of the second accommodating cavity 221, and the top is limited by the smooth inner wall of the third mold part 230, so that the memory cotton layer 130 in the cushion 100 is smooth and tidy on the outer peripheral surface between the first mold closing ridge 131 and the second mold closing ridge 132, and the bottom surface of the memory cotton layer 130 is also smooth and tidy, thereby improving the overall aesthetic degree of the cushion 100.

In the seat cushion 100 provided by the embodiment of the utility model, the first mold closing ridge line 131 and the second mold closing ridge line 132 are arranged on the outer circumferences of the two sides of the memory cotton layer 130 along the thickness direction, so that the overall three-dimensional effect of the seat cushion 100 is stronger, and the outer circumferences of the memory cotton layer 130 between the first mold closing ridge line 131 and the second mold closing ridge line 132 are provided with smooth surfaces, so that the overall surface of the seat cushion 100 is smooth and flat, and the seat cushion has good aesthetic property.

In order to improve the comfort of sitting on the seat cushion, the present utility model further proposes an embodiment, referring to fig. 3 specifically, the structure of the gel cushion 110 is shown, and the gel cushion 110 is shown as a honeycomb shape, and two opposite sides are mutually communicated.

The cellular gel cushion 110 can play a good supporting role on buttocks of passengers, and based on high elasticity of the gel cushion 110, riding comfort can be guaranteed, good air permeability can be guaranteed through mutually communicating two opposite sides of the gel cushion 110, and riding experience of users is improved.

In order to improve riding comfort, the utility model further provides an embodiment, and particularly referring to fig. 4, a front view structure of the seat cushion is shown. As shown in the figure, the gel pad 110 has an arc-shaped concave shape in the width direction (the direction shown by the y-axis in the figure).

As shown in fig. 4, when a user sits on the seat cushion 100, the gravity in the direction indicated by the arrow a in the figure is applied to the seat cushion 100, and since the gel cushion 110 is concave in an arc shape in the width direction and the gel cushion 110 and the memory cotton layer 130 have strong deformability, when the middle region of the seat cushion 100 is pressed, both sides of the seat cushion 100, which are thicker in the width direction, are contracted inwards in the direction indicated by the arrow b in the figure, thereby having a good wrapping effect on the buttocks and thigh of the user and further improving the riding comfort.

Further, referring again to FIG. 3, in some embodiments, the thickness of the edges of gel pad layer 110 is less than the thickness of the central region, as shown.

As shown in FIG. 3, the thickness of the edge of the gel pad 110 is h ₁ The thickness of the middle area is h ₂ ，h ₁ Less than h ₂ . In the above-mentioned embodiment in which the gel cushion 110 is concave in an arc shape in the width direction, a state in which the cushion 100 wraps around the buttocks and thighs of the user when the user sits on the cushion 100 is illustrated (as shown in fig. 4). In this regard, considering that when the edges of the gel cushion 110 of the seat cushion 100 wrap around the buttocks and the legs of the user, if the wrapping force is large, the accommodation causes compression to the buttocks and the legs of the user, therefore, in this embodiment, by setting the thickness of the edges of the gel cushion 110 to be smaller than that of the middle area, the middle area of the gel cushion 110 can be ensured to provide good and reliable support for the buttocks and the legs of the user, and meanwhile, excessive wrapping compression to the buttocks and the legs of the user caused by the edges of the gel cushion 110 can be avoided, so that appropriate wrapping force is ensured to be provided for the user, and riding comfort of the user is ensured.

Referring to fig. 1 and fig. 5 in combination, fig. 5 shows a side view of a cushion according to an embodiment of the present utility model, and in some embodiments, a front side of a top surface of a memory cotton layer 130 is a curved surface that is curved downward, so that a front side of a composite cloth layer 120 and a gel cushion 110 attached to the top surface of the memory cotton layer 130 are curved downward.

When the thickness of the front side of the seat cushion is abrupt, the skin of the thigh portion or the rear side portion of the knee of the occupant is supported or rubbed to cause discomfort, and therefore, in the present embodiment, by setting the front side of the top surface of the memory cotton layer 130 to be a curved surface curved downward, the front side of the gel pad layer 110 attached thereto is in a state curved downward, and the user can provide comfortable support for the legs of the user without causing discomfort of the skin of the thigh portion or the rear side portion of the knee while sitting, because the thickness of the front side of the seat cushion 100 is gradually changed.

In order to reduce the compression of the front side of the seat cushion 100 to the legs of the user, the present utility model further proposes an embodiment, referring to fig. 3 again, in which the front side of the gel cushion 110 is bent downward to have a smaller thickness than the middle portion of the gel cushion 110.

As shown in FIG. 3, the front side of the gel pad 110 has a thickness h of a portion bent downward ₃ The thickness of the middle portion of the gel pad layer 110 is h ₂ ，h ₃ ＜h ₂ . Through setting the thickness of the portion of the gel cushion 110 that is bent downward at the front side to be less than the thickness of the middle portion of the gel cushion 110, the front side of the cushion 100 can be ensured to provide support for the legs of the user, and at the same time, excessive compression can not be caused to the legs of the user, so that the riding comfort of the user is ensured.

Referring again to fig. 4, in some embodiments, two sides 133 of the memory cotton layer 130 along the width direction (the y-axis direction in the drawing) are curved surfaces concave along the thickness direction (the z-axis direction in the drawing), and the width w of the top end of the memory cotton layer 130 ₁ A width w greater than the bottom end thereof ₂ 。

Considering that the area of the seat supporting member is limited, sufficient supporting area and wrapping property cannot be provided for the user, therefore, in this embodiment, by setting the width of the top end of the memory cotton layer 130 to be larger than the width of the bottom end thereof, it can be ensured that the seat cushion 100 can still be placed thereon when the area of the seat supporting member is limited, and the seat cushion 100 can provide a larger supporting surface and a stronger wrapping property for the occupant, and the two side surfaces 133 of the memory cotton layer 130 are set to be concave arcs, not only can the aesthetic degree of the seat cushion 100 be ensured, but also the fitting with the structure around the supporting member can be formed when the seat cushion 100 is placed on the seat supporting member, ensuring the stability of the seat cushion 100.

Referring again to fig. 5, in some embodiments, the cushion 100 is longer (in the direction shown by the x-axis) and has a central region with a greater thickness than the ends.

As shown in fig. 5, the thickness of the middle region of the seat cushion 100 is h ₄ The thickness of the front end is h ₅ The thickness of the rear end is h ₆ Wherein h is ₄ ＞h ₅ And h is ₄ ＞h ₆ . Through setting up cushion 100 along length direction to the thickness that the middle zone was greater than the thickness at both ends for when the user sits on cushion 100, tailstock department is embedded state downwards, buttock and thigh receive good support, and front end shank bending department obtains comfortable support, and is whole more relaxed.

Referring again to fig. 1, in some embodiments, a gap 140 is provided in a central region of the rear side of the seat cushion 100, as shown.

By providing the notch 140 in the middle area of the rear side of the seat cushion 100, the support surface of the seat cushion 100 is more attached to the buttocks of the human body, so that more comfortable support is provided for the occupant, and the notch 140 in the middle area just avoids the tailbone area of the occupant, thereby avoiding compression on the tailbone of the occupant.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict.

Claims (9)

1. A seat cushion, comprising:

a gel cushion layer;

a composite cloth layer attached to the bottom surface of the gel cushion layer;

the memory cotton layer is attached to the bottom surface of the composite cloth layer, which is away from the gel cushion layer, the outer circumferences of the two sides of the memory cotton layer along the thickness direction are respectively provided with a first mold closing ridge line and a second mold closing ridge line, and the outer circumferences of the memory cotton layer, which are positioned between the first mold closing ridge line and the second mold closing ridge line, are smooth surfaces.

2. A seat cushion as claimed in claim 1, wherein the gel cushion is honeycomb-shaped and has opposed sides extending through each other.

3. The cushion according to claim 1, wherein the gel cushion is concave in an arc shape in a width direction.

4. A seat cushion as claimed in claim 3, wherein the thickness of the gel cushion edge is less than the thickness of the central region thereof.

5. The cushion according to claim 1, wherein the front side of the top surface of the memory cotton layer is a curved surface that is curved downward, such that the front sides of the composite cloth layer and the gel cushion attached to the top surface of the memory cotton layer are curved downward.

6. The cushion according to claim 5, wherein the thickness of the portion of the front side of the gel cushion that is curved downward is smaller than the thickness of the middle portion of the gel cushion.

7. The cushion according to any one of claims 1 to 6, wherein both sides of the memory cotton layer in the width direction are cambered surfaces concave in the thickness direction, and the width of the top end of the memory cotton layer is larger than the width of the bottom end thereof.

8. A seat cushion as claimed in any one of claims 1 to 6, wherein the seat cushion has a thickness in the length direction in a central region thereof which is greater than the thickness of both ends.

9. A seat cushion as claimed in any one of claims 1 to 6, wherein a central region of the rear side of the seat cushion is provided with a notch.