KR20100008393A - The cushion spring for car seat - Google Patents

The cushion spring for car seat Download PDF

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Publication number
KR20100008393A
KR20100008393A KR1020080068846A KR20080068846A KR20100008393A KR 20100008393 A KR20100008393 A KR 20100008393A KR 1020080068846 A KR1020080068846 A KR 1020080068846A KR 20080068846 A KR20080068846 A KR 20080068846A KR 20100008393 A KR20100008393 A KR 20100008393A
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KR
South Korea
Prior art keywords
spring
cushion
vehicle seat
members
impact
Prior art date
Application number
KR1020080068846A
Other languages
Korean (ko)
Inventor
홍신표
Original Assignee
(주)명신
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by (주)명신 filed Critical (주)명신
Priority to KR1020080068846A priority Critical patent/KR20100008393A/en
Publication of KR20100008393A publication Critical patent/KR20100008393A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/70—Upholstery springs ; Upholstery
    • B60N2/7094—Upholstery springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2304/00—Optimising design; Manufacturing; Testing
    • B60Y2304/05—Reducing production costs, e.g. by redesign
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2306/00—Other features of vehicle sub-units
    • B60Y2306/09—Reducing noise

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Springs (AREA)

Abstract

PURPOSE: A cushion spring for a vehicle seat is provided to shorten the manufacturing time by insert-injection molding a spring reinforcing member connecting a spring with a spring member. CONSTITUTION: A cushion spring(1) for a vehicle seat comprises plural spring members(10) and spring reinforcing members(20). The spring member is made of metal and is bent several times. The spring reinforcing member is combined to the spring member to connect the spring members. The spring reinforcing member is injection molded while the plural spring members are inserted in an injection mold.

Description

Cushion Spring for Vehicle Seat {The cushion spring for car seat}

The present invention relates to a cushion spring for a vehicle seat, and more particularly, by simplifying the manufacturing process by inserting the spring reinforcing member connecting the spring and the spring member and inserts, the manufacturing time is significantly shortened as well as the manufacturing cost and manufacturing required It relates to a cushion spring for a vehicle seat that can significantly reduce the required manpower.

In general, a vehicle seat is installed in a vehicle interior in order to buffer a shock transmitted from a road surface while driving a vehicle, so as to minimize fatigue of a passenger.

The vehicle seat is provided with a cushion spring for the vehicle seat in the lower inner side to cushion the shock transmitted from the road surface.

1 is a view showing a state in which a cushion spring for a vehicle seat is installed in a vehicle seat.

As shown in Figure 1, the vehicle seat (S) is a cushion frame (F) is installed on one side of the lower side, the cushion frame (F) is installed a spring holder (H), the vehicle seat cushion spring (100) is a spring holder It is connected to the cushion frame (F) by (H).

2 is an overall perspective view of a conventional cushion spring for a vehicle seat.

As shown in FIG. 2, the conventional cushion spring 100 for a vehicle seat includes a plurality of springs 110 bent a plurality of times, a noise preventing coating 120 fitted to both ends of the springs 110, and a spring 110. It includes a reinforcing member 130 disposed on the), the fastening member 140 for fastening the spring 110 and the reinforcing member 130 and the tape 150 attached to the outer peripheral surface of the fastening member 140.

The conventional cushion spring 100 for a vehicle seat when the shock is applied from the road surface while driving the vehicle to cushion the shock while the spring 110 is stretched in accordance with the weight of the occupant. At this time, the reinforcing member 130 installed on the spring 110 to reinforce the strength of the spring 110 by distributing the impact generated when the road surface and the vehicle collides with each spring 110.

In addition, as described above, by fitting the noise-proof coating 120 to both ends of the spring 110, the noise generated while the spring 110 and the spring holder H of the metal material are rubbed when the spring 110 is stretched and contracted is reduced. It was made.

However, the conventional cushion spring for a vehicle seat 100 is not only a problem that the production cost increases according to the purchase cost of the reinforcing member 130 by using the reinforcing member 130 of the metal material, as well as the spring 110 There was a problem in that noise occurs when the spring 110 of the metallic material and the reinforcing member 130 of the metallic material is rubbed.

Then, the noise prevention coating 120 is fitted to both ends of the spring 110, and one side of the spring 110 and the reinforcing member 130 is connected to the spring 110 and the reinforcing member 130. Fastening by the), by mounting the tape 150 on the outer peripheral surface of the fastening member 140 to improve the fastening force of the fastening member 140, the manufacturing process is very complicated, there was a problem that a number of manpower is required.

In addition, the fastening member 140 is coupled to one side of the spring 110 and the reinforcing member 130, the impact force applied to any one of the spring 110 of the plurality of springs 110, the neighboring springs 110 In the case of transmitting a narrow pressure area for pressing the neighboring spring 110 according to the point coupling is formed so that the impact distribution efficiency for distributing the impact applied to the spring 110 to the neighboring spring 110 is reduced, the spring ( There is a problem that the strength of the 110 is reduced to significantly shorten the life of the spring (110).

The present invention has been made to solve the above problems, the object of the present invention is to insert the spring reinforcing member connecting the spring and the spring member and insert injection to simplify the manufacturing process, not only significantly shortening the manufacturing time but also manufacturing cost And to provide a cushion spring for a vehicle seat that can significantly reduce the manpower required for manufacturing.

In addition, the spring reinforcing member includes a surface connecting portion for connecting the surface between each spring member, when the impact is applied to the spring member to form a wide pressure area for pressing the neighboring spring to distribute the impact applied to the spring to the neighboring spring To improve the impact distribution efficiency, and to significantly increase the strength of the spring to provide a cushion spring for a vehicle seat that can increase the life of the spring.

In addition, by using a spring reinforcement member of the synthetic resin material to provide a cushion spring for a vehicle seat that can reduce the noise generated between the spring member and the spring reinforcement member when the spring member is stretched.

According to an aspect of the present invention for achieving the above object, in the cushion spring for a vehicle seat that is installed inside the seat of the vehicle to cushion the impact applied to the occupant when driving the vehicle, as a metal material, a plurality of bent formed And a plurality of spring members and spring reinforcement members coupled to the respective spring members to connect the spring members, wherein the spring reinforcement members are inserted into the injection mold by inserting the plurality of spring members into the injection mold. It provides a cushion spring for a vehicle seat, characterized in that formed.

And, the spring reinforcing member is formed on both ends of each of the spring member is formed on the connecting portion for connecting the respective spring member and the plurality of spring member is applied to any one of the plurality of spring member impact It may include a reinforcing plate for distributing the impact force to the spring member and the spring member to which the impact is applied.

In addition, the reinforcing plate preferably includes a surface connection portion for connecting between the plurality of spring members.

According to the present invention as described above, by simplifying the manufacturing process by insert injection of the spring reinforcing member connecting the spring and the spring member can not only significantly reduce the manufacturing time but also significantly reduce the manufacturing cost and manpower required for manufacturing It has an effect.

In addition, the spring reinforcing member includes a surface connecting portion for connecting the surface between each spring member, when the impact is applied to the spring member to form a wide pressure area for pressing the neighboring spring to distribute the impact applied to the spring to the neighboring spring The impact distribution efficiency is improved, and the strength of the spring is significantly increased, thereby increasing the life of the spring.

In addition, by using the spring reinforcement member made of synthetic resin material there is an effect that can reduce the noise generated between the spring member and the spring reinforcement member when the spring member is stretched.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

3 and 4 are an overall perspective view of a cushion spring for a vehicle seat according to an embodiment of the present invention, Figure 4 is a view showing a spring member of the cushion spring for a vehicle seat according to an embodiment of the present invention.

As shown in FIG. 3, the cushion spring 1 for a vehicle seat according to the exemplary embodiment of the present invention includes a spring member 10 and a spring reinforcement member 20.

As shown in FIG. 4, the spring member 10 is bent a plurality of times in a ductile and hard metal material to have elasticity, and buffers the impact applied to the occupant from the road surface when the vehicle is driven.

The spring reinforcement member 20 is inserted into the spring member 10 and the insert injection in the state that the spring member 10 is inserted into the injection mold, formed on both ends of the spring member 10 to connect each spring member 10 It comprises a reinforcing plate 22 formed on the connecting portion 21 and each spring member 10, and connecting each spring reinforcing member 20 and the impact applied to the spring member 10 neighboring By distributing to the spring member 10 serves to reinforce the strength of the spring member 10.

In general, insert injection refers to a method of inserting and inserting an insert nut during molding, but in the embodiment of the present invention, the spring member 10 is used instead of the inset nut. Looking briefly at the characteristics of such insert injection, first, the advantages and defects of each material can be compensated for, and a reasonable part structure can be obtained. Second, since this material is integrated by injection molding, the precision is good, and there is no looseness and dropout. The production of parts is possible, and thirdly, the mass production of the product is possible, and thus the manufacturing cost and manufacturing time is shortened.

The connecting portion 21 is formed at both ends of the spring member 10 as described above to prevent the spring member 10 from being separated by connecting each spring member 10 and the spring member 10 is cushion frame When installed in (F) serves to reduce the noise generated while the friction between the spring member 10 and the spring holder (H).

The reinforcement plate 22 is formed on each sping member as described above, and includes a surface connecting portion 22a connecting between each spring member 10, and when the shock is applied to the spring member 10. The impact is distributed to each of the neighboring springs 10 to reinforce the strength of the spring member 10.

This is because the surface connection portion 22a pressurizes the spring member 10 to widen the pressing area of the spring member 10 to distribute the impact applied to any one of the spring members 10 to the neighboring spring members 10. The impact distribution efficiency is improved to reinforce the strength of the spring member 10 and to increase the life of the spring member 10.

Looking at the action of the cushion spring (1) for a vehicle seat according to an embodiment of the present invention having such a configuration as follows.

First, when the vehicle travels on an irregular road surface, the vehicle is spaced apart and collides from the road surface. At this time, an impact occurs between the vehicle and the occupant as the occupant collides with the vehicle from the road surface. The shock generated by this is transmitted to the spring reinforcement member 20, the spring reinforcement member 20 formed on the spring member 10 so that each spring member 10 is surface-connected, a plurality of spring members ( 10) Pressurize at the same time.

Thereafter, the spring member 10 pressurized by the spring reinforcement member 20 expands and cushions the shock and lowers the amount of impact transmitted to the occupant.

Although the present invention has been described in connection with the above-mentioned preferred embodiments, it is possible to make various modifications or variations without departing from the spirit and scope of the invention. Accordingly, the appended claims will cover such modifications and variations as fall within the spirit of the invention.

1 is a view illustrating a state in which a cushion spring for a vehicle seat is installed in a vehicle seat;

2 is an overall perspective view of a cushion spring for a conventional vehicle seat;

Figure 3 is an overall perspective view of a cushion spring for a vehicle seat according to an embodiment of the present invention,

Figure 4 is a view showing a spring member of a cushion spring for a vehicle seat according to an embodiment of the present invention.

<Description of main drawing code>

1: cushion spring for vehicle seat 10: spring member

20: spring reinforcing member 21: connection portion

22: reinforcing plate 22a: surface connection

Claims (3)

In the cushion spring for the vehicle seat that is installed inside the seat of the vehicle to cushion the impact applied to the occupant when driving the vehicle, A metal material, the plurality of spring members being bent a plurality of times; A spring reinforcement member coupled to each spring member to connect each spring member, The spring reinforcement member is a cushion spring for a vehicle seat, characterized in that formed by insert injection in the state inserted into the injection mold a plurality of spring members. The method of claim 1, The spring reinforcing member Connecting portions formed at both ends of each spring member to connect the spring members; And And a reinforcement plate formed on the plurality of spring members, the reinforcement plate for distributing the impact force to the spring member to which the impact is applied and to a neighboring spring member when an impact is applied to any one of the spring members. Cushion spring. The method of claim 2, The reinforcement plate is a cushion spring for a vehicle seat, characterized in that it comprises a surface connection for connecting between the plurality of spring members.
KR1020080068846A 2008-07-16 2008-07-16 The cushion spring for car seat KR20100008393A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020080068846A KR20100008393A (en) 2008-07-16 2008-07-16 The cushion spring for car seat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020080068846A KR20100008393A (en) 2008-07-16 2008-07-16 The cushion spring for car seat

Publications (1)

Publication Number Publication Date
KR20100008393A true KR20100008393A (en) 2010-01-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020080068846A KR20100008393A (en) 2008-07-16 2008-07-16 The cushion spring for car seat

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101598967B1 (en) 2015-01-07 2016-03-02 주식회사 동강홀딩스 Tension Adjustment apparatus of cushion spring for car seat of sitting cover

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101598967B1 (en) 2015-01-07 2016-03-02 주식회사 동강홀딩스 Tension Adjustment apparatus of cushion spring for car seat of sitting cover

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E601 Decision to refuse application