CN217994427U - Polyurethane foam-rubber cushion structure of embedded EPP hard bubble - Google Patents

Abstract

The utility model discloses a polyurethane foam-rubber cushion structure of embedded EPP hard bubble, which relates to the technical field of motor train unit cushions, and comprises an embedded layer, wherein the embedded layer is of a cloth bag structure, a plurality of embedded cavities are arranged in the embedded layer along the length direction, and the embedded cavities are embedded into EPP hard bubble foam-rubber blocks; EPP hard bubble sponge piece runs through the dashpot that is equipped with helical line structure along width direction, and the bottom of embedding cavity is equipped with inlays the entry, and the top surface of EPP hard bubble sponge piece is equipped with undercut's recess, and the top on embedding layer is equipped with the sponge layer, and the top on sponge layer is equipped with the cushion layer. The utility model discloses when keeping the cushion to have high resilience, have had good elasticity and gas permeability, improved the travelling comfort of taking, in addition, the utility model discloses a structure adopts embedding, detachable compound mode for the cushion is convenient for unpick and wash or change in later stage.

Description

Polyurethane foam-rubber cushion structure of embedded EPP hard bubble

Technical Field

The utility model belongs to the technical field of EMUs cushion, concretely relates to polyurethane foam-rubber cushion structure of embedded EPP hard bubble.

Background

At present, motor train units in China comprise high-speed motor train units starting from G, common motor train units starting from D and the like. The seat cushion of the chair generally adopts EPP hard foam polyurethane sponge as filler, although the seat cushion is shock-resistant, has good rebound resilience and is durable; but the hardness is high, the air permeability is not good, and the riding comfort is directly influenced, and the traditional sponge is adopted as filling, although the air permeability and the comfort are good, the sponge is easy to collapse after being used for a long time, so that an embedded EPP hard foam polyurethane sponge cushion structure is provided. The cushion can ensure good rebound resilience and durability, and improve riding comfort.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having the cushion hardness height among the prior art, the not good shortcoming of travelling comfort experience is taken for a long time, and the polyurethane foam-rubber cushion structure of the hard bubble of an embedded EPP who proposes. Have the EPP hard bubble sponge piece of dashpot through the embedding, when guaranteeing that the cushion has high resilience, have good elasticity, take more comfortablely, through the setting on porous ventilative sponge layer, can improve the gas permeability of cushion, improve the travelling comfort of taking in long-distance, in addition, the utility model discloses a structure adopts embedding, detachable combination mode for the cushion is convenient for unpick and wash or change in later stage.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the embedded EPP hard foam polyurethane sponge cushion structure comprises an embedded layer, wherein the embedded layer is of a cloth bag structure and is made of elastic cloth, a plurality of embedded cavities are formed in the embedded layer along the length direction, and EPP hard foam sponge blocks with the sizes matched with each other are embedded into the embedded cavities; the EPP hard foam sponge block penetrates through a buffer groove with a spiral line structure along the width direction, and the buffer groove can enable the EPP hard foam sponge block to have a certain deformation space in the vertical direction and has good elasticity in the vertical direction when being taken; the bottom of the embedding cavity is provided with an embedding opening, and the EPP hard foam sponge block can be embedded into the embedding cavity through the embedding opening; the top surface of the EPP hard foam sponge block is provided with a groove which is sunken downwards, the top of the embedding layer is provided with a sponge layer, the sponge layer is positioned in the groove, the sponge layer is made of porous breathable sponge, and the breathable sponge enables the surface of the cushion to have good breathability and heat on the surface of the cushion to be dissipated timely; the top on sponge layer is equipped with the cushion layer, the both ends on embedding layer are connected with the detachable mode at the both ends on cushion layer.

Further, the surface equipartition of EPP hard bubble sponge piece has the bleeder vent, the bleeder vent runs through the setting on EPP hard bubble sponge piece, and with the dashpot is linked together, and the EPP hard bubble sponge piece of structure of punching has good gas permeability, can derive the heat of cushion top surface.

Further, the sponge layer is of a breathable porous structure, the width of the sponge layer is the same as that of the groove, and the sponge layer of the porous structure can improve the breathability of the surface of the cushion.

Furthermore, the cushion layer is of a net-shaped layer structure, and the cushion layer with the net-shaped structure can ensure that the cushion layer has good air permeability.

Furthermore, a limiting groove is formed in the upper portion between the adjacent EPP hard foam sponge blocks, a protrusion matched with the limiting groove is arranged at the position, corresponding to the limiting groove, of the sponge layer, and the protrusion is inserted into the limiting groove.

Furthermore, the connection mode that the magic was pasted is adopted at the both ends of sitting bed course, the matte of magic subsides corresponds respectively with the thorn face and sews up on embedding layer and the sitting bed course.

The utility model provides a pair of polyurethane foam-rubber cushion structure of embedded EPP hard bubble, beneficial effect lies in:

(1) The utility model discloses a cushion structure has the EPP hard bubble sponge piece of dashpot through the embedding for EPP hard bubble sponge piece has good elasticity in the vertical direction, when taking, has certain elastic support to the person of taking, when making EPP hard bubble sponge cushion have high resilience, also has good elasticity, has improved the travelling comfort of taking.

(2) The utility model discloses a set up one deck porous structure's sponge layer on the top surface of EPP hard bubble sponge piece, can improve the gas permeability on cushion surface, when can in time discharge the heat that the buttock produced when taking, improve the travelling comfort of long-distance taking.

(3) The utility model discloses EPP hard bubble sponge piece adopts the embedding mode setting, and sponge layer and cushion layer adopt detachable combination mode for the cushion of combination preparation is convenient for unpick and wash or change in later stage.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is an internal structure of the present invention;

FIG. 2 is a schematic view of the EPP foam block of the present invention;

FIG. 3 is a front view of the EPP blister sponge block of the present invention;

labeled as: 1. an embedding layer; 11. embedding the substrate in the cavity; 12. embedding an inlet; 13. a limiting groove; 2. EPP hard foam sponge block; 21. a buffer tank; 22. air holes are formed; 23. a groove; 3. a sponge layer; 31. a protrusion; 4. a cushion layer; 41. magic tape.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The structural features of the present invention will now be described in detail with reference to the accompanying drawings.

Referring to fig. 1-3, a polyurethane foam-rubber cushion structure of embedded EPP hard bubble, including embedding layer 1, embedding layer 1 adopts and has elastic cloth to make, embedding layer 1 is the sack structure, embedding layer 1 is inside to be equipped with a plurality of embedding cavitys 11 along length direction, embedding cavity 11 imbeds EPP hard bubble sponge piece 2 that has big small-size looks adaptation, EPP hard bubble sponge piece 2 runs through the dashpot 21 that is equipped with helical structure along width direction, the setting up of dashpot 21 can make the inside heliciform space that forms of EPP hard bubble sponge piece 2, EPP hard bubble sponge piece 2 is receiving the extrusion back of vertical direction, EPP hard bubble sponge piece 2 can take place elastic deformation in vertical direction, make it have good elasticity.

Referring to fig. 1, the bottom of the embedding cavity 11 is provided with an embedding opening 12, the EPP hard foam sponge blocks 2 are loaded into the embedding cavity 11 from the embedding opening 12, and the EPP hard foam sponge blocks 2 are assembled side by side to form a main structure of the cushion.

Referring to fig. 1-3, the top surface of EPP hard foam sponge block 2 is equipped with undercut recess 23, the top of embedding layer 1 is equipped with sponge layer 3, sponge layer 3 is located recess 23, sponge layer 3 is ventilative porous structure, the width of sponge layer 3 is the same with the width of recess 23, sponge layer 3 sets up the gas permeability on multiplicable cushion surface, EPP hard foam sponge block 2's surperficial equipartition has bleeder vent 22, bleeder vent 22 runs through the setting on EPP hard foam sponge block 2, and be linked together with dashpot 21, setting up of bleeder vent 22 can make EPP hard foam sponge block 2 body have good gas permeability, also can discharge the heat of sponge layer 3 gathering from bleeder vent 22 simultaneously. The upper portion between the hard bubble sponge piece 2 of adjacent EPP is equipped with spacing groove 13, and the position that sponge layer 3 corresponds spacing groove 13 is equipped with the arch 31 of looks adaptation with it, and protruding 31 is pegged graft in spacing groove 13, and protruding 31 sets up the recess 23 that can make the stable laminating of sponge layer 3 in the hard bubble sponge piece 2 of EPP.

Referring to fig. 1, the top of sponge layer 3 is equipped with cushion layer 4, cushion layer 4 is netted layer structure, the both ends of cushion layer 4 are connected at embedding layer 1's both ends with the detachable mode, cushion layer 4's both ends adopt the connected mode that the magic pasted 41, the hair side that the magic pasted 41 corresponds respectively with the thorn face and sews up on embedding layer 1 and cushion layer 4, the setting of magic pasted 41, make things convenient for dismantling of cushion layer 4, make things convenient for unpicking and washing or changing of later stage cushion layer 4, also make things convenient for the change of sponge layer 3 simultaneously.

The utility model discloses a polyurethane foam-rubber cushion structure of embedded EPP hard bubble, moreover, the steam generator is simple in structure, EPP hard bubble sponge piece 2 that has dashpot 21 through the embedding, make EPP hard bubble sponge piece have good elasticity in the vertical direction, when taking, certain elastic support effect has to the person of taking, make EPP hard bubble sponge 2 when guaranteeing that the cushion has high resilience, also have good elasticity, the comfort of taking has been improved, sponge layer 3 through setting up one deck porous structure on EPP hard bubble sponge piece 2's the top surface, can improve the gas permeability on cushion surface, improve the long-distance travelling comfort of taking, EPP hard bubble sponge piece 2 adopts the embedding mode to set up, sponge layer 3 and cushion layer 4 adopt the detachable combination mode, make the cushion of combination preparation be convenient for tear open in later stage and wash or change.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The embedded EPP hard foam polyurethane foam pad structure comprises an embedded layer (1), and is characterized in that the embedded layer (1) is of a cloth bag structure, a plurality of embedded cavities (11) are arranged in the embedded layer (1) along the length direction, and EPP hard foam sponge blocks (2) with the sizes matched with each other are embedded into the embedded cavities (11);

the EPP hard foam sponge block (2) is provided with a buffer groove (21) with a spiral line structure in a penetrating way along the width direction;

an embedding opening (12) is formed in the bottom of the embedding cavity (11);

a concave groove (23) is formed in the top surface of the EPP hard foam sponge block (2), a sponge layer (3) is arranged on the top of the embedding layer (1), and the sponge layer (3) is located in the groove (23);

the top of the sponge layer (3) is provided with a cushion layer (4), and two ends of the cushion layer (4) are detachably connected to two ends of the embedding layer (1).

2. The embedded EPP hard foam polyurethane foam pad structure according to claim 1, wherein air holes (22) are uniformly distributed on the surface of the EPP hard foam block (2), and the air holes (22) are arranged on the EPP hard foam block (2) in a penetrating manner and communicated with the buffer groove (21).

3. The EPP hard foam embedded polyurethane foam pad structure according to claim 1, wherein the foam layer (3) is a breathable porous structure, and the width of the foam layer (3) is the same as the width of the groove (23).

4. An embedded EPP foam polyurethane foam cushion structure according to claim 1, wherein said cushion layer (4) is a net-like layer structure.

5. The EPP hard foam embedded polyurethane foam cushion structure according to claim 1, wherein a limiting groove (13) is formed in the upper portion between the adjacent EPP hard foam blocks (2), a protrusion (31) matched with the limiting groove (13) is formed in the position, corresponding to the limiting groove (13), of the foam layer (3), and the protrusion (31) is inserted into the limiting groove (13).

6. The structure of the embedded EPP hard foam polyurethane foam cushion according to claim 1, wherein the two ends of the cushion layer (4) are connected by means of hook and loop fasteners (41), and the hair surface and the thorn surface of the hook and loop fasteners (41) are respectively sewn on the embedded layer (1) and the cushion layer (4) correspondingly.

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