CN215793341U - Cushion framework - Google Patents

Abstract

The utility model discloses a cushion framework, which relates to the field of automobile seats and comprises a plurality of steel wires, wherein each steel wire comprises a main body and clamping parts positioned at two ends of the main body, the cushion framework also comprises a first connecting piece and a second connecting piece, the first connecting piece is made of plastics and is injected on the main bodies of the steel wires, the second connecting piece is made of plastics and is injected on the clamping parts of the steel wires, through the design, the main bodies of the steel wires are connected and separated through the first connecting piece and cannot rub against each other, and the clamping parts of the steel wires are coated with the second connecting piece made of plastics, so that no friction is generated between the clamping parts and a transverse pipe, and abnormal sound is avoided.

Description

Cushion framework

Technical Field

The utility model relates to a seat, in particular to a seat cushion framework.

Background

The automobile cushion is mainly made of a mesh material formed by bending metal steel wires and PU sponge, and has certain elasticity. The buffer function is realized during bumping, certain comfort of drivers and passengers is ensured, and the fatigue feeling of long-time driving is reduced. However, most seat cushion structures on the market are made of single materials through one-step forming, so that friction abnormal sound is easily generated among metal steel wires and between the steel wires and the transverse pipe.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a cushion framework which is not easy to generate abnormal sound.

One of the purposes of the utility model is realized by adopting the following technical scheme:

the utility model provides a cushion skeleton, includes a plurality of steel wires, each the steel wire includes the main part and is located the clamping part at main part both ends, the cushion skeleton still includes first connecting piece and second connecting piece, first connecting piece is made by plastics, first connecting piece is moulded plastics in a plurality of in the main part of steel wire, the second connecting piece is made by plastics, the second connecting piece is moulded plastics in each on the clamping part of steel wire.

Furthermore, the first connecting piece comprises a first body and a plurality of connecting portions, each connecting portion extends out of the first body, a first mounting hole is formed in the first body, a second mounting hole is formed in the connecting portion, and the main body penetrates through the first mounting hole and the second mounting hole.

Further, the extending direction of the first mounting hole is perpendicular to the extending direction of the second mounting hole.

Furthermore, connecting portion still include the extension section, one end of extension section is followed first body extends out, the second mounting hole set up in another tip of extension section.

Further, the connecting parts are located at opposite sides of the first body.

Further, the first connecting member is made of polypropylene.

Furthermore, the second connecting piece comprises a second body and a plurality of buckle sleeves, each buckle sleeve extends out of the second body, the second body is provided with a plurality of third mounting holes, the main body of each steel wire penetrates through the third mounting holes, and each buckle sleeve covers the buckling part.

Further, the second connecting piece still includes a plurality of reinforcing plates, the reinforcing plate is triangle-shaped, the reinforcing plate is followed the second body with the junction of buckle cover extends out.

Further, the cushion framework further comprises two transverse pipes, and the clamping sleeves are buckled with the transverse pipes.

Further, the second connector is made of polyoxymethylene resin.

Compared with the prior art, the first connecting pieces of the cushion framework are made of plastics and are injection-molded on the main bodies of the steel wires, the second connecting pieces are made of plastics and are injection-molded on the buckling parts of the steel wires, through the design, the main bodies of the steel wires are connected and separated through the first connecting pieces and cannot rub against each other, and the buckling parts of the steel wires are wrapped with the second connecting pieces made of plastics, so that friction cannot be generated between the buckling parts and the transverse pipe, and abnormal sound is avoided.

Drawings

Fig. 1 is a perspective view of a seat cushion frame of the present invention;

fig. 2 is an exploded view of the seat cushion frame of fig. 1;

fig. 3 is a perspective view of a first link of the seat cushion frame of fig. 1;

fig. 4 is a perspective view of a second link of the seat cushion frame of fig. 1;

fig. 5 is a schematic view of a process for manufacturing the seat cushion frame of fig. 1;

fig. 6 is another schematic view of the manufacturing process of the seat cushion frame of fig. 1.

In the figure: 10. a steel wire; 11. a main body; 12. a fastening part; 20. a first connecting member; 21. a first body; 210. a first mounting hole; 22. a connecting portion; 220. an extension section; 221. a second mounting hole; 30. a second connecting member; 31. a second body; 310. a third mounting hole; 32. a buckle sleeve; 33. a reinforcing plate; 40. a transverse tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, secured by intervening elements. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly disposed on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

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 invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Fig. 1 to 6 show the seat cushion frame of the present invention, which includes a plurality of wires 10, a plurality of first connecting members 20, two second connecting members 30, and two cross tubes 40.

Each steel wire 10 includes a main body 11 and two fastening portions 12. The main body 11 is bent in a stepped shape. The two fastening portions 12 extend from both ends of the main body 11. Each locking portion 12 is semicircular.

The first connecting member 20 is made of plastic, and in particular, the first connecting member 20 is injection molded from polypropylene. The first connecting member 20 includes a first body 21 and a plurality of connecting portions 22. The first body 21 is provided with a first mounting hole 210. Each connection portion 22 includes an extension 220. One end of the extension section 220 extends from the first body 21, and the other end is provided with a second mounting hole 221. The extending direction of the second mounting hole 221 is perpendicular to the extending direction of the first mounting hole 210. The connecting portions 22 are respectively disposed at opposite sides of the first body 21.

The second connector 30 is made of plastic, and in particular, the second connector 30 is formed by injection molding of polyoxymethylene resin. The second connector 30 includes a second body 31, a plurality of snap sleeves 32, and a plurality of reinforcing plates 33. The number of reinforcing plates 33 is the same as the number of snap sleeves 32. The second body 31 is linear, the second body 31 is provided with a third mounting hole 310, and the extending direction of the third mounting hole 310 is the same as the extending direction of the first mounting hole 210. A plurality of snap sleeves 32 respectively extend from one side of the second body 31, and each snap sleeve 32 is semicircular. Each reinforcing plate 33 is triangular and extends from the intersection of the second body 31 and the snap sleeve 32.

The cross tubes 40 are linear and the two cross tubes 40 are parallel to each other.

When preparation cushion skeleton, once mould plastics earlier, put into the mould steel wire 10, utilize the good toughness of PP material (polypropylene) and high wear-resisting characteristic, pass through injection moulding equipment injection mold with one shot forming material PP, form first connecting piece 20, the main part 11 of steel wire 10 is located the first mounting hole 210 and the second mounting hole 221 that form of moulding plastics this moment, first connecting piece 20 makes 4 steel wires 10 link together, make when exerting external force, the average carrier that decomposes to the difference of power is unlikely to destroy the structure, and also can not take place the friction between the steel wire 10, can not produce the abnormal sound. Then, the second injection molding is performed, the product obtained by the first injection molding is placed in a mold, POM (polyoxymethylene resin) is used as a material for the second injection molding, and the second molding material POM is injected into the mold through an injection molding device to form the second connecting member 30. At this time, the main body 11 of the steel wire 10 is positioned in the third mounting hole 310 formed by injection molding, and the fastening part 12 of the steel wire 10 is covered by the fastening sleeve 32. The POM has the characteristics of high strength, high rigidity, good creep property, antifriction and wear resistance, self-lubricating property and the like. The snap sleeve 32 of the second connector 30 is snapped to the cross tube 40.

Through the above design, first connecting piece 20 of cushion skeleton is made by plastics, first connecting piece 20 is moulded plastics on the main part 11 of a plurality of steel wires 10, second connecting piece 30 is made by plastics, second connecting piece 30 is moulded plastics on the clamping part 12 of each steel wire 10, through the above-mentioned design, there is first connecting piece 20 to connect and separate between the main part 11 of a plurality of steel wires 10, mutual friction can not be produced, the cladding has the second connecting piece 30 that plastics were made on the clamping part 12 of steel wire 10, consequently, clamping part 12 and violently manage 40 between can not produce friction, avoid producing the abnormal sound.

The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, variations and modifications can be made without departing from the spirit of the utility model, and all equivalent modifications and changes can be made to the above embodiments according to the essential technology of the utility model, which falls into the protection scope of the utility model.

Claims (10)

1. The utility model provides a cushion skeleton, includes a plurality of steel wires, its characterized in that: each the steel wire includes the main part and is located the buckle portion at main part both ends, the cushion skeleton still includes first connecting piece and second connecting piece, first connecting piece is made by plastics, first connecting piece mould plastics in a plurality of in the main part of steel wire, the second connecting piece is made by plastics, the second connecting piece mould plastics in each on the buckle portion of steel wire.

2. The seat cushion frame according to claim 1, wherein: the first connecting piece comprises a first body and a plurality of connecting portions, each connecting portion extends out of the first body, the first body is provided with a first mounting hole, each connecting portion is provided with a second mounting hole, and the main body penetrates through the first mounting hole and the second mounting hole.

3. The seat cushion frame according to claim 2, wherein: the extending direction of the first mounting hole is perpendicular to the extending direction of the second mounting hole.

4. The seat cushion frame according to claim 2, wherein: the connecting portion further comprises an extension section, one end portion of the extension section extends out of the first body, and the second mounting hole is formed in the other end portion of the extension section.

5. The seat cushion frame according to claim 2, wherein: the connecting parts are positioned on two opposite sides of the first body.

6. The seat cushion frame according to claim 1, wherein: the first connecting member is made of polypropylene.

7. The seat cushion frame according to claim 1, wherein: the second connecting piece comprises a second body and a plurality of buckle sleeves, each buckle sleeve extends out of the second body, the second body is provided with a plurality of third mounting holes, the main body of each steel wire penetrates through the third mounting holes, and each buckle sleeve covers the buckling part.

8. The seat cushion frame according to claim 7, wherein: the second connecting piece still includes a plurality of reinforcing plates, the reinforcing plate is triangle-shaped, the reinforcing plate is followed the second body with the junction of buckle cover extends out.

9. The seat cushion frame according to claim 7, wherein: the cushion framework further comprises two transverse pipes, and the clamping sleeves are buckled with the transverse pipes.

10. The seat cushion frame according to claim 1, wherein: the second connector is made of polyoxymethylene resin.

Images