CN102152748A

CN102152748A - Longitudinal guide rail device of vehicle seat

Info

Publication number: CN102152748A
Application number: CN 201110070663
Authority: CN
Inventors: 钱勇
Original assignee: SHANGHAI YANPU METAL PRODUCT CO Ltd
Current assignee: SHANGHAI YANPU METAL PRODUCT CO Ltd
Priority date: 2011-03-23
Filing date: 2011-03-23
Publication date: 2011-08-17

Abstract

The invention provides a longitudinal guide rail device of a vehicle seat, which comprises a surrounding outer guide rail and a surrounded inner guide rail. The surrounding outer guide rail is surrounded outside the surrounded inner guide rail. The longitudinal guide rail device of the vehicle seat is characterized in that a first surrounding region and a second surrounding region with opposite directions along the same horizontal plane are formed between the surrounding outer guide rail and the surrounded inner guide rail; guide slots of rolling bodies are respectively formed between the surrounding outer guide rail and the surrounded inner guide rail in the first surrounding region and the second surrounding region; and the surrounding outer guide rail is supported by the surrounded inner guide rail through the rolling bodies. The longitudinal guide rail device is improved on the basis of the existing longitudinal guide rail device of the vehicle seat, so that the device has small structure, light weight, small number of parts, higher comfort and safety performance and larger inner space and is convenient for sharing different manual/electric configurations.

Description

A kind of longitudinal guiding rail device of automotive seat

Technical field

The present invention relates to a kind of longitudinal guiding rail device of automotive seat.

Background technology

In order to satisfy especially driver's comfortable and safe requirement of vehicle operator, automobile chair can dispose usually to have manually or the longitudinal guiding rail device of motorized adjustment.But this longitudinal adjusting device generally comprises the supporting member that has supporting role between the channled rail of two relative motions and the channled rail.Above setting device generally can be different according to manual or electrically operated needs configure locking component or actuating device.

Almost on the market used longitudinal guiding rail device all to face volume big, quality is heavy, constituent elements complexity, problems such as the moving shared property difference of torch.Simultaneously, because of the structure of its supporting member and layout be provided with unreasonable, with producing excessive adjusting resistance or abnormal sound, influence the satisfaction of operator to traveling comfort.What is more important, under automobile was subjected to impact events, the locking intensity and the peel strength between the inside and outside channled rail of locking component were limited, with harm passenger's safety.

Summary of the invention

The longitudinal guiding rail device that the purpose of this invention is to provide a kind of automotive seat, the problem such as the moving shared property difference of low and torch with the constituent elements complexity, traveling comfort and the safety that overcome longitudinal guiding rail device on the present market.

In order to achieve the above object, technical scheme of the present invention has provided a kind of longitudinal guiding rail device of automotive seat, comprise that one surrounds an outer guide and a besieged interior guide rail, surround outer guide and form a kind of outside encirclement guide rail in besieged, it is characterized in that: surround outer guide with besieged in be formed with between the guide rail along same horizontal surface direction relative one first enclosing region and second enclosing region, in first enclosing region and second enclosing region surround outer guide with besieged in form the guide groove of rolling body between the guide rail respectively, besieged interior guide rail forms support to the encirclement outer guide by rolling body.

A kind of longitudinal guiding rail device provided by the invention is reformed on the basis of existing automotive seat longitudinal guiding rail device, make the structure of this device little, in light weight, constituent part quantity is few, simultaneously, comfort property and safety performance are higher, and, have bigger internal time, be convenient to the shared of the moving different configurations of torch.

Description of drawings

Fig. 1 is first exemplary embodiment of the present invention, the longitudinally front view of axis;

Fig. 2 is second exemplary embodiment of the present invention, the longitudinally front view of axis;

Fig. 3 is the 3rd exemplary embodiment, the longitudinally front view of axis of the present invention;

Fig. 4 is the 4th exemplary embodiment, the longitudinally front view of axis of the present invention.

The specific embodiment

Before the explanation of the exemplary embodiment that longitudinal guiding rail device is provided, should be understood that in this explanation of reference to(for) " outside ", " inside ", " centre ", " top ", " below ", " top ", " bottom ", " left side " or " right side " only is used for identifying each element when each element such as figure are directed, perhaps these elements can be directed in one or more specific embodiments of longitudinal guiding rail device.These terms also do not mean that and limit their described elements because an element is can be in each longitudinal guiding rail device different one directed or arrange.

According to Fig. 1 to Fig. 4, provide preferred embodiment of the present invention, and described in detail below, enable to understand better function of the present invention, characteristics.

Embodiment 1

As shown in Figure 1, be a kind of longitudinal guiding rail device of automotive seat, it has one and surrounds outer guide 20, and in several exemplary embodiment, it is always as lower guideway.In installing condition, it is connected in a supporter 17.Supporter 17 can be to carry out the bonded assembly support with car floor when installing condition, also can be car floor.

Surround outer guide 20 and have a flat board 21 down, and be connected with the first right flute profile part 36 with the first left flute profile part 31 respectively, these two flute profiles partly are that the plate by guide rail 20 forms through at least three bendings and obtains, and the wiggle of each bending all is parallel to longitudinal axis or central axis 19.In each exemplary embodiment, at least three bendings all are crooked 90 ° of angles.Left side flute profile part 31 has 22, one left flat limit 23 and limit, left side 24, a left folding limit, and corresponding, right flute profile part 36 has a right folding limit 26, one a right flat limit 27 and a right edge 28, and these parts are end to end successively, and mutually at an angle of 90.Simultaneously, left folding limit 22 with down dull and stereotyped 21 and right folding limit 26 be connected by fillet between dull and stereotyped 21 down, and between mutual at an angle of 90.

Guide rail 50 has a upper flat plate 51 in besieged, and be connected with the second right flute profile part 66 with the second left flute profile part 61 respectively, these two flute profiles partly are that the plate by guide rail 50 forms through at least three bendings and obtains, and the wiggle of each bending all is parallel to longitudinal axis or central axis 19.In each exemplary embodiment, at least three bendings all are crooked 90 ° of angles.The second left flute profile part 61 has a left folding limit 55, limit, one first left side 54, one left circular arc limit 53 and limit, one second left side 52, corresponding, the second right flute profile part 66 has a right folding limit 59, one first right edge 58, one right circular arc limit 57 and one second right edge 56, these parts are end to end successively, between the

left folding limit

55 and 54 and 58 one-tenth 130 °-170 ° of angles in the right folding limit 59 and first right edge in these limit parts, in the present embodiment, get 150 ° of angles.Limit, other first left side 54 and limit, second left side 52 are parallel to each other, first right edge 58 and second right edge 56 are parallel to each other, circular arc limit, a left side 53 is connected with limit, first left side 54 and 52 transition of limit, second left side respectively, and right circular arc limit 57 is connected with first

right edge

58 and 56 transition of second right edge respectively.

First left flute profile part 31, first right flute profile part 36, the second left flute profile part 61 and the second right flute profile part 66 all are approximate U-shaped.The opening that surrounds the first left flute profile part 31 of outer guide 20 and the first right flute profile part 36 down, and the opening of the second left flute profile part 61 of guide rail 50 and the second right flute profile part 66 is up in besieged.Surrounding first left flute profile part 31 of outer guide 20 and the second left flute profile part 61 of besieged interior guide rail 50 fastens mutually; Equally, surrounding first right flute profile part 36 of outer guide 20 and the second right flute profile part 66 of besieged interior guide rail 50 fastens mutually.Therefore, this makes and is difficult to guide rail 50 in besieged is drawn back from surround outer guide 20 by force along the vertical direction.

Surround first left flute profile part 31 of outer guide 20 and the second left flute profile part 61 of besieged interior guide rail 50 and fasten mutually, form first enclosing region 32.Equally, surround first right flute profile part 36 of outer guide 20 and the second right flute profile part 66 of besieged interior guide rail 50 and fasten mutually, form second enclosing region 37.32 li of first enclosing region, the filleted corner between following flat board 21 and the left folding limit 22 forms the groove shape supporting raceway of spherical rolling body 80.Equally, the groove shape constraint raceway of the spherical rolling body 80 of left circular arc limit 53 formation.More than two groups of raceways parallel to each other, and the guide groove 16 of the spherical rolling body 80 that parallels with longitudinal axis 19 of formation.In like manner, the filleted corner between following flat board 21 and the right folding limit 26 forms the groove shape supporting raceway of spherical rolling body 80, and right circular arc limit 57 forms the groove shape constraint raceway of spherical rolling body 80.More than two groups of raceways constitute the guide groove 16 of the spherical rolling body 80 that parallels with longitudinal axis 19.Can know thus: a vollyball shape rolling body 80 is parallel to longitudinal axis 19 equally.

Surround following dull and stereotyped 21 of outer guide 20 and be connected by left folding limit 22 with a left flat limit 23, the three forms " U " shape, because the elastic deformation of material exists, so U-shaped spring of formation.In like manner, right folding limit 26, right flat limit 27 and U-shaped spring of right edge 28 same formation.Therefore, elastic movement can be made for stationary plane by following flat board 21 in left flat limit 23, left folding limit 22, right flat limit 27 and the right folding limit 26 that surrounds outer guide 20.Surrounding the left flat limit 23 of outer guide 20 and the left folding limit 55 of besieged interior guide rail 50 is in contact with one another, right flat limit 27 is in contact with one another with the right folding limit 59 of besieged interior guide rail 50, because elastic movement can be made in flat limit 23, therefore, weight load on seat not simultaneously, flat limit 23 and flanging 55 can keep being in contact with one another all the time.

Embodiment 2

As shown in Figure 2, the difference of present embodiment and embodiment 1 is, cancelled the left folding limit 55 and the right folding limit 59 of besieged interior guide rail 50, the limit, first left side 54 of besieged interior guide rail 50 and first right edge directly were in contact with one another with the left flat limit 23 and the right flat limit 27 that surround outer guide 20 in 58 minutes.Other structures and mode of operation are with embodiment 1.

Embodiment 3

As shown in Figure 3, the difference of present embodiment and embodiment 1 is, straight flange all is revised as on left circular arc limit 53 and right circular arc limit 57, and other structures and mode of operation are with embodiment 1.

Embodiment 3

As shown in Figure 4, the difference of present embodiment and embodiment 2 is, straight flange all is revised as on left circular arc limit 53 and right circular arc limit 57, and other structures and mode of operation are with embodiment 2.

According to an exemplary embodiment, transition or intersection point between each limit of encirclement outer guide 20 are understood rounding usually.According to each exemplary embodiment, the value of the radius of rounding between the different edge can change.The radius of rounding value of each transition can be subjected to the one or more influence in the multiple factor, but these factors comprise manufacturing property and provide suitable bag receive face or and rolling element between the demand of friction force.According to other exemplary embodiment, surrounding transition between each limit of outer guide 20 or intersection point can rounding, chamfer or gradual change, also can be a wedge angle, perhaps can be gradual change or directly transition or above combination.According to other exemplary embodiment, different intersection points can have different Interims.For example, intersection point can rounding and another intersection point can be right angle completely.

According to other exemplary embodiment, surround outer guide 20 with besieged in guide rail 50 can be according to one or more and varying sized, shape in a plurality of different factors and configuration, these factors comprise the application of using guide rail, the environment that will use guide rail, encirclement outer guide 20 and besieged in employed spherical rolling body 80 sizes, the employed specific lockable mechanism of guide rail or Vidacare corp, cost factor, anufacturability or the like between the guide rail 50.

Claims

1. the longitudinal guiding rail device of automotive seat, comprise that one surrounds an outer guide (20) and a besieged interior guide rail (50), surround outer guide (20) and form a kind of outside encirclement guide rail (50) in besieged, it is characterized in that: surround outer guide (20) with besieged in be formed with along same horizontal surface direction relative one first enclosing region (32) and second enclosing region (38) between the guide rail (50), first enclosing region (32) and second enclosing region (38) inherent surround outer guide (20) with besieged in form the guide groove (81) of rolling body (80) between the guide rail (50) respectively, besieged in guide rail (50) by the support of rolling body (80) formation to encirclement outer guide (20).

2. the longitudinal guiding rail device of a kind of automotive seat as claimed in claim 1, it is characterized in that: the both sides of described besieged interior guide rail (50) have limit, one first left side (54) and one first right edge (58) respectively, and limit, first left side (54) and first right edge (58) lay respectively in described first enclosing region (32) and described second enclosing region (38) also by the support of described rolling body (80) formation to described encirclement outer guide (20).

3. the longitudinal guiding rail device of a kind of automotive seat as claimed in claim 2, it is characterized in that: limit, described first left side (54) and described first right edge (58) have a left folding limit (55) and a right folding limit (59) respectively.

4. the longitudinal guiding rail device of a kind of automotive seat as claimed in claim 3, it is characterized in that: be 130 ° of-170 ° of angles between described left folding limit (55) and the limit, described left side (54), be 130 ° of-170 ° of angles between described right folding limit (59) and the described right folding limit (59).

5. the longitudinal guiding rail device of a kind of automotive seat as claimed in claim 1, it is characterized in that: described besieged in the both sides of guide rail (50) have a left circular arc limit (53) and a right circular arc limit (57) respectively, left circular arc limit (53) and right circular arc limit (57) lay respectively in described first enclosing region (32) and described second enclosing region (38) and as the groove shape constraint raceway of described rolling body (80).

6. the longitudinal guiding rail device of a kind of automotive seat as claimed in claim 1 is characterized in that: the number of described rolling body (80) is at least one.

7. the longitudinal guiding rail device of a kind of automotive seat as claimed in claim 1 is characterized in that: described first enclosing region (32) has symmetrical structure with second enclosing region (38).

8. the longitudinal guiding rail device of a kind of automotive seat as claimed in claim 1, it is characterized in that: described encirclement outer guide (20) comprises down dull and stereotyped (21), following dull and stereotyped (21) are connected with the first right flute profile part (36) with the first left flute profile part (31) respectively, and the first left flute profile part (31) and the first right flute profile part (36) all form a U-shaped spring.