CN103253157A - Automobile, automobile seat and siding rail mechanism of automobile seat - Google Patents

Automobile, automobile seat and siding rail mechanism of automobile seat Download PDF

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Publication number
CN103253157A
CN103253157A CN2013102002609A CN201310200260A CN103253157A CN 103253157 A CN103253157 A CN 103253157A CN 2013102002609 A CN2013102002609 A CN 2013102002609A CN 201310200260 A CN201310200260 A CN 201310200260A CN 103253157 A CN103253157 A CN 103253157A
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CN
China
Prior art keywords
track mechanism
sliding track
fixed rack
automotive seat
shifting sledge
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Pending
Application number
CN2013102002609A
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Chinese (zh)
Inventor
孙莹烽
高元和
黄克乐
王景红
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Hubei Aviation Precision Machinery Technology Co Ltd
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Hubei Aviation Precision Machinery Technology Co Ltd
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 Hubei Aviation Precision Machinery Technology Co Ltd filed Critical Hubei Aviation Precision Machinery Technology Co Ltd
Priority to CN2013102002609A priority Critical patent/CN103253157A/en
Publication of CN103253157A publication Critical patent/CN103253157A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a sliding rail mechanism used for an automobile seat. The sliding rail mechanism comprises a fixed sliding rail and a movable sliding rail, the fixed sliding rail comprises a U-shaped first connecting part and a first clamping part, the movable sliding rail comprises a U-shaped second connecting part and a second clamping part matched with the first clamping part, the fixed sliding rail and the movable sliding rail are clamped through the first clamping part and the second clamping part to form a cavity, a sliding component is arranged in the cavity, and the movable sliding rail can slide relative to the fixed sliding rail under the supporting of the sliding component. The sliding rail mechanism further comprises a reinforcing element arranged at the connecting position of the first connecting part and the first clamping part. Compared with the prior art, with the method that only the reinforcing element is arranged at the connecting position of the first connecting part and the first clamping part of the fixed sliding rail, rigidity in the area is enhanced, and therefore the problem that movable sliding rail departs from the fixed sliding rail is solved. On the basis, the invention further discloses the automobile seat comprising the sliding rail mechanism and an automobile comprising the automobile seats.

Description

A kind of automobile, automotive seat and sliding track mechanism thereof
Technical field
The present invention relates to field of vehicles, be specifically related to a kind of sliding track mechanism for automotive seat and comprise the automotive seat of this sliding track mechanism, and the automobile that comprises these automotive seat.
Background technology
Comfortable take the space or chaufeur can make things convenient for operating and controlling vehicle for the occupant who satisfies different builds has, automotive seat require can front and back position adjustable.Sliding rail of automobile seat is exactly the device of regulating the automotive seat front and back position.
Current, automotive seat generally comprise seat body and sliding track mechanism, and seat body is installed on the under-carriage by sliding track mechanism; Sliding track mechanism generally includes the fixed rack of fixing with under-carriage and the shifting sledge of fixing with seat body; Keep bearing fit between shifting sledge and the fixed rack; Like this, by sliding track mechanism, seat body can move certain distance along the direction of slip of slide mechanism with respect to under-carriage, so that the occupant reaches the state of taking of the most comfortable.For after adjustment is finished, make seat body and under-carriage keep fixing, sliding track mechanism also is provided with lock assembly, with shifting sledge and the fixed rack locking with sliding track mechanism.In addition, in order to prevent that passenger and chaufeur are when vehicle body is subjected to fiercely hitting, owing to breaking away from automotive seat, the force of inertia effect causes personal injury, be provided with telescopic safety strap, this safety strap one end is fixed on the car body, the other end is fixed in by safety belt fixing element on the shifting sledge of sliding track mechanism, realizes that automotive seat when diverse location, all can be the occupant safety precaution is provided.
Along with the development of automotive technology, the running velocity of vehicle improves constantly, and this just has higher requirement to the safety of sliding rail of automobile seat.In GB GB15083 and GB14167, stipulate automotive seat, need by corresponding safety belt fixing element strength test.Because most of seatbelt connecting element one ends all assemble seat on slide rail, when vehicle is violently shaken, safety strap puts on the shifting sledge application force by connecting element, shifting sledge is from the disengaging of fixed rack under this application force, thereby automotive seat are separated from car body, will constitute very big threat safely to passenger life like this.
Generation for fear of above-mentioned safety misadventure, set up escapement at sliding track mechanism, concrete structure sees also Fig. 1 and Fig. 2, namely at two brace panels of the sheathed bearing fit that interlocks in the outside of sliding track mechanism, wherein, brace panel 1 is fixed on the shifting sledge 02 and slides with respect to fixed rack 01 with it, and brace panel 2 is fixed on the fixed rack 01.Obviously, strengthen the load-carrying capacity of sliding track mechanism integral body by above-mentioned escapement, but the escapement complex structure of this structure, increased the cost of manufacture of sliding track mechanism.In addition, increased the volume of sliding track mechanism, therefore under the situation that does not change original design, may interfere with other assembly occurrence positions on the automobile in the fitting process.
In view of this, demand urgently improving at the structure of the sliding track mechanism that has automotive seat now, on the basis that does not increase manufacturing cost, solve the disengaging problem that shifting sledge and fixed rack break away from.
Summary of the invention
At above-mentioned defective, the objective of the invention is to, provide a kind of for the sliding track mechanism on the automotive seat, controlling tooling cost and not changing on the basis of original design, solve the disengaging problem that shifting sledge and fixed rack break away from.On this basis, the present invention also provides a kind of automotive seat that comprise above-mentioned sliding track mechanism, and the automobile that comprises these automotive seat.
A kind of sliding track mechanism for automotive seat provided by the invention comprises fixed rack and shifting sledge, and wherein, described fixed rack comprises first connecting portion of " U " font and two side first engagement section that forms of bending in opposite directions; Shifting sledge comprises second connecting portion of " U " font and second engagement section that forms with the described first engagement section inverse bending; Described fixed rack and described shifting sledge form a cavity by described first engagement section and the engaging of described second engagement section, in described cavity, be provided with sliding members, described shifting sledge can be under the support of described sliding members relative sliding motion with described fixed rack; It is characterized in that, also comprise the reinforcement of the junction that is arranged at described first connecting portion and described first engagement section.
Preferably, an end of described shifting sledge is provided with safety belt fixing element, and described reinforcement is arranged on the described fixed rack and the corresponding end of described safety belt fixing element.
Preferably, with respect to described cavity, described reinforcement is arranged at the outside face of described junction.
Preferably, described reinforcement shape and described connecting portion are suitable.
Preferably, with respect to the direction of slip of described sliding track mechanism, described reinforcement specifically comprises two brace panels that are symmetrical set.
Preferably, described brace panel and described fixed rack are one-body molded.
Preferably, described reinforcement extends to form reinforcing sleeve along the outside face of described fixed rack, and described reinforcing sleeve has the notch that holds described shifting sledge.
Preferably, described reinforcing sleeve is fixed in first connecting portion of described fixed rack.
The present invention also provides a kind of automotive seat, comprises seat main body, also comprises aforesaid sliding track mechanism, and described shifting sledge is captiveed joint with described seat main body.
The present invention also provides a kind of automobile, comprises car body, also comprises aforesaid automotive seat, and the fixed rack of described sliding track mechanism is captiveed joint with described car body.
With respect to the above-mentioned background technology, be used for the sliding track mechanism of automotive seat among the present invention, comprise fixed rack and shifting sledge, wherein, fixed rack comprises first connecting portion that is shaped as " U " font and two side first engagement section that forms of bending in opposite directions; Shifting sledge comprises second connecting portion that is shaped as " U " font and second engagement section that forms with the first engagement section inverse bending; Fixed rack and shifting sledge form a cavity by the engaging of first engagement section and second engagement section, are provided with sliding members in cavity, shifting sledge can be under the support of sliding members relative sliding motion with fixed rack; The reinforcement that also comprises the junction of first connecting portion that is arranged on the fixed rack and first engagement section.
Compared with prior art, this programme utilizes member when being subjected to reverse load or impact load, easily in area of stress concentration generation plastic deformation even fracture, and area of stress concentration often is positioned at the position that geometric configuration is undergone mutation on the member, characteristics of flex area of blanked part etc. for example, by the mode of reinforcement only is set in the junction of first connecting portion of fixed rack and first engagement section, strengthened this regional rigidity, therefore, when safety strap puts on fixed rack reverse load or impact load by shifting sledge, fixed rack is difficult for taking place plastic deformation or fracture, thereby on the basis that does not increase manufacturing cost, solve the problem that shifting sledge breaks away from by reinforcement simple in structure from fixed rack, and then guaranteed the safety of occupant in the vehicle driving process.
Description of drawings
Fig. 1 is the axonometric drawing of sliding track mechanism in the prior art;
Fig. 2 is the sectional schematic diagram of the middle sliding track mechanism of Fig. 1;
Fig. 3 is the assembly scheme drawing of sliding track mechanism among the present invention and safety belt fixing element;
Fig. 4 is the axonometric drawing of first embodiment of sliding track mechanism among the present invention;
Fig. 5 looks scheme drawing for the master of sliding track mechanism among Fig. 4;
Fig. 6 is the schematic top plan view of sliding track mechanism among Fig. 5;
Fig. 7 is the scheme drawing of second embodiment of sliding track mechanism among the present invention
Among Fig. 3 to 7:
01 fixed rack, 011 first connecting portion, 012 first engagement section, 02 shifting sledge, 021 second connecting portion, 022 second engagement section, 03 cavity, 04 sliding members, 05 safety belt fixing element, 06 brace panel, 061 groove, 07 reinforcing sleeve, 072 notch.
The specific embodiment
Core of the present invention is, a kind of sliding track mechanism for automotive seat is provided, on the basis of control sliding track mechanism manufacturing cost, realize that shifting sledge is difficult for from the purpose of fixed rack disengaging at the reverse load that is subjected to safety strap or impact load, thereby guarantee the safety in the vehicle traveling process.On this basis, the present invention also provides a kind of automobile that comprises the automotive seat of above-mentioned sliding track mechanism and comprise above-mentioned automotive seat.
Be without loss of generality, now specify present embodiment in conjunction with Figure of description.
See also Fig. 4, Fig. 5 and Fig. 6, wherein, Fig. 4 is the axonometric drawing of first embodiment of sliding track mechanism among the present invention, and Fig. 5 looks scheme drawing for the master of sliding track mechanism among Fig. 4, and Fig. 6 is the schematic top plan view of sliding track mechanism among Fig. 4.
As shown in Figure 4 and Figure 5, the sliding track mechanism that is used for automotive seat in this programme, comprise fixed rack 01 and shifting sledge 02, wherein, the two side that fixed rack 01 comprises first connecting portion 011 that is shaped as " U " font and first connecting portion 011 to the inside twice with 90 ° in opposite directions bending form first engagement section 012; The two side that shifting sledge 02 comprises second connecting portion 021 that is shaped as " U " font and second connecting portion 021 laterally in opposite directions bending form second engagement section 022 suitable with first engagement section 012.Fixed rack 01 and shifting sledge 02 form a cavity 03 by first engagement section 012 and 022 engaging of second engagement section, in cavity 03, be provided with sliding members 04, both keep relative position by the support of sliding members 04, and can realize sliding under certain external force effect.
Generally, when automobile is subjected to impacting, under unshielded measure state, owing to can breaking away from automotive seat, force of inertia effect occupant causes safety misadventure, for this reason, on present most of automobile safety strap is installed, under the emergency state, the occupant is played protective action.The position relation of safety strap and sliding track mechanism now is described in conjunction with Fig. 3, and Fig. 3 is the assembly scheme drawing of sliding track mechanism and safety belt fixing element among the present invention.One end of safety strap (not shown) is connected with car body is scalable, and the other end is fixedly connected on by safety belt fixing element 05 on second connecting portion 021 of shifting sledge 02 of sliding track mechanism.
Automobile in the process of moving, safety strap puts on shifting sledge 02 reverse load or impact load by safety belt fixing element 05, the application force of above-mentioned load is decomposed into along first application force of sliding track mechanism direction of slip with along second application force that is pointed to safety belt fixing element 05 direction perpendicular to direction of slip by shifting sledge 02.Wherein, first application force is shearing force by the tie bolt carrying of safety belt fixing element 05 and shifting sledge 02, and second application force acts on first engagement section 012 of fixed rack 01 by second engagement section 022 of shifting sledge 02.First engagement section 012 of fixed rack 01 has the movement tendency that rotates counterclockwise with respect to first connecting portion 011 under second application force, in order to overcome second application force, this programme left-right symmetric on the outside face of the junction of first connecting portion 011 of fixed rack 01 and first engagement section 012 has been welded two brace panels 06.
Compared with prior art, this programme utilizes member when being subjected to reverse load or impact load, easily in area of stress concentration generation plastic deformation even fracture, and area of stress concentration often is positioned at the position that geometric configuration is undergone mutation on the member, characteristics of flex area of blanked part etc. for example, by the mode of reinforcement only is set in the junction of first connecting portion 011 of fixed rack 01 and first engagement section 012, strengthened this regional rigidity, therefore, when safety strap puts on fixed rack 01 reverse load or impact load by shifting sledge 02, fixed rack 01 is difficult for taking place plastic deformation or fracture, thereby on the basis that does not increase manufacturing cost, solve the problem that shifting sledge breaks away from by reinforcement simple in structure from fixed rack, and then guaranteed the safety of occupant in the vehicle driving process.
Need to prove, satisfying on the basis of assembly technology, first engagement section 012 of the fixed rack 01 in this programme and second engagement section 022 of shifting sledge 02 also can form by inverse bending, namely first engagement section 012 by the two side of first connecting portion 011 laterally twice with 90 ° in opposite directions bending form, correspondingly, second engagement section 022 by the two side of second connecting portion 021 to the inside in opposite directions bending form.In addition, first engagement section by the two side of first connecting portion 021 laterally in opposite directions bending form.
As shown in Figure 1, safety belt fixing element 05 is fixed in an end of shifting sledge 02 usually, when safety belt fixing element 05 is shifted out by fixed rack 01 with shifting sledge 02, increase along with both relative displacemenies, safety strap is to moving the moment increase in exit with shifting sledge 02 on the fixed rack 01, comparatively speaking, move the easier generation plastic deformation in engagement section in exit on the fixed rack 01, therefore, the brace panel in this programme 06 be arranged on the fixed rack 01 with shifting sledge 02 on safety belt fixing element 05 a corresponding end.
Need to prove that on the basis of satisfying function and assembly technology requirement, the reinforcement in this programme also can cover fixed rack 01 integral solder along its length and fix, or is fixedly connected on the middle part of fixed rack 01.In addition, the reinforcement in this programme also can differ from the connection mode of this programme and fixed rack 01 is fixing by be threaded, riveted joint etc.
Additionally; in this programme in the reinforcement installation process with the cavity 03 of sliding track mechanism in sliding members 04 occurrence positions interfere; reinforcement is arranged at the outside face of fixed rack 01; be appreciated that; on the basis of satisfying intensity and assembly technology requirement; reinforcement in this programme also can be arranged on the inside face of fixed rack 01; it is emphasized that; the inside and outside surface of the fixed rack in this programme is to set based on cavity for convenience of description; therefore, the use of different azimuth noun will not constitute the restriction to protection domain of the present invention.
As shown in Figure 3 and Figure 4, the reinforcement in this programme is specially relatively two brace panels 06 that the direction of slip perpendicular to sliding track mechanism is symmetrical set, and the shape of each brace panel 06 is specially down " L " font.In this programme this shape mainly be for fixed rack 01 on suitable through first engagement section 012 that 90 ° of bendings form, be appreciated that, on the basis of satisfying fixed rack rigidity and assembly technology requirement, the reinforcement in this programme also can be other shapes.
As previously mentioned, reinforcement is fixedly connected by welding in fixed rack, interferes in order to prevent weld seam and other assembly occurrence positions, and this programme has been offered the groove 061 of " U " font that is used for the placement weld seam at brace panel 06.This groove 061 is specially along six of the length direction left-right symmetric spaced set of brace panel 06.The groove of " U " font has the advantages that Sheet Metal Forming Technology is simple, cost is low, and certainly, on the basis of satisfying the processing technology requirement, this groove also can be other shapes such as circular arc.In addition, the quantity of groove depends on the actual length of reinforcement and both Joint strenght requirements, and therefore, the quantity of this programme further groove 061 also can be two, four quantity that differ from this programme.
Except the reinforcement of said structure, the present invention also provides the reinforcement of another structure, and concrete structure sees also Fig. 7, and Fig. 7 is the scheme drawing of second embodiment of sliding track mechanism among the present invention.This reinforcement along the outside face of fixed rack 01 extend to form reinforcing sleeve 07, offered on this reinforcing sleeve 07 can hold shifting sledge and make its with respect to fixed rack 01 slide notch 072, be fixedly connected on by rivet on first connecting portion 011 of fixed rack 01.This reinforcement has the strong characteristics of non-deformability, certainly, on the basis of satisfying Joint strenght and assembly technology requirement, both also can by be threaded, mode such as welding fixes.The principle of design of the reinforcement among second embodiment is identical with first embodiment, so do not repeat them here.
Except above-mentioned two kinds of reinforcements with the fixed rack split-type design, on the basis of satisfying fixed rack 01 rigidity and assembly technology requirement, the brace panel that the present invention also provides and the machine-shaping of sliding track mechanism one, namely with fixed rack 01 on first connecting portion 011 compare with first engagement section, the gauge of both junctions is bigger, improves junction rigidity by strengthening thickness.The thickness part that increases in this programme namely has two boss that the brace panel funtion part can extend to form laterally for the neutral axis symmetry along fixed rack 01, or a boss that only extends to form at outside face or inside face.In like manner, the inside and outside surface of the fixed rack in this programme is to set based on cavity for convenience of description, and therefore, the use of different azimuth noun will not constitute the restriction to protection domain of the present invention.The principle of design of this embodiment is identical with first and second embodiment, so do not repeat them here.
By the specific embodiment of above-mentioned two kinds of reinforcements as can be known, shape and the junction of reinforcement are suitable, so not only can prevent the location conflicts in sliding track mechanism and other motor vehicle assembly fitting processs, and can reduce the overall volume of sliding track mechanism.
Except the sliding track mechanism of said structure, the present invention also provides a kind of automotive seat, comprises seat main body, also comprises aforesaid sliding track mechanism, the shifting sledge seat main body captive joint of this sliding track mechanism.Be appreciated that the basic function parts that constitute these automotive seat and principle of work and prior art are basic identical, those skilled in the art can realize fully based on prior art, so this paper repeats no more.
In addition, the present invention also provides a kind of automobile, comprises car body, also comprises aforesaid automotive seat, and the fixed rack of sliding track mechanism is captiveed joint with described car body.Be appreciated that the basic function parts that constitute this automobile and principle of work and prior art are basic identical, those skilled in the art can realize fully based on prior art, so this paper repeats no more.
The above only is preferred implementation of the present invention, does not constitute the restriction to protection domain of the present invention.Any any modification of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within the claim protection domain of the present invention.

Claims (10)

1. a sliding track mechanism that is used for automotive seat comprises fixed rack (01) and shifting sledge (02), and wherein, described fixed rack (01) comprises first connecting portion (011) of " U " font and two side first engagement section (012) of bending formation in opposite directions; Shifting sledge (02) comprises second connecting portion (021) of " U " font and second engagement section (022) that forms with described first engagement section (012) inverse bending; Described fixed rack (01) and described shifting sledge (02) form a cavity (03) by described first engagement section (012) and described second engagement section (022) engaging, be provided with sliding members (04) in described cavity (03), described shifting sledge (02) can be under the support of described sliding members (04) and the relative sliding motion of described fixed rack (01); It is characterized in that, also comprise the reinforcement that is arranged at described first connecting portion (011) and junction, described first engagement section (012).
2. the sliding track mechanism for automotive seat according to claim 1, it is characterized in that, one end of described shifting sledge (02) is provided with safety belt fixing element (05), and described reinforcement is arranged at described fixed rack (01) and goes up and the corresponding end of described safety belt fixing element (05).
3. the sliding track mechanism for automotive seat according to claim 1 and 2 is characterized in that, with respect to described cavity, described reinforcement is arranged at the outside face of described junction.
4. the sliding track mechanism for automotive seat according to claim 3 is characterized in that, the shape of described reinforcement and described junction are suitable.
5. the sliding track mechanism for automotive seat according to claim 4 is characterized in that, with respect to the direction of slip of described sliding track mechanism, described reinforcement specifically comprises two brace panels (06) that are symmetrical set.
6. the sliding track mechanism for automotive seat according to claim 5 is characterized in that, each described brace panel (06) and described fixed rack (01) are one-body molded.
7. the sliding track mechanism for automotive seat according to claim 3, it is characterized in that, described reinforcement extends to form reinforcing sleeve (07) for the outside face along described fixed rack (01), and described reinforcing sleeve (07) has the notch (072) that holds described shifting sledge (02).
8. the sliding track mechanism for automotive seat according to claim 7 is characterized in that, described reinforcing sleeve (07) is fixed in first connecting portion (011) of described fixed rack (01).
9. automotive seat comprise seat main body, it is characterized in that, comprise each described sliding track mechanism in the claim 1 to 8, and described shifting sledge (02) is captiveed joint with described seat main body.
10. an automobile comprises car body, it is characterized in that, also comprises the described automotive seat of claim 9, and the fixed rack of described sliding track mechanism (01) is captiveed joint with described car body.
CN2013102002609A 2013-05-27 2013-05-27 Automobile, automobile seat and siding rail mechanism of automobile seat Pending CN103253157A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017087756A (en) * 2015-11-02 2017-05-25 シロキ工業株式会社 Seat track device
CN107554359A (en) * 2017-08-23 2018-01-09 重庆飞适动力汽车座椅部件有限公司 A kind of car chair lock anti-slip track of local strengthening
CN107627909A (en) * 2017-08-23 2018-01-26 重庆飞适动力汽车座椅部件有限公司 A kind of sliding rail of automobile seat

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0901934A1 (en) * 1997-09-12 1999-03-17 Bertrand Faure Equipements S.A. Slide for a dismountable vehicle seat
JPH11278111A (en) * 1998-03-30 1999-10-12 Oi Seisakusho Co Ltd Other parts mounting structure on rail parts
US20020008183A1 (en) * 2000-07-19 2002-01-24 Patrick Mallard Runner for a vehicle seat
FR2884461A1 (en) * 2005-04-18 2006-10-20 Faurecia Sieges Automobile Motor vehicle adjustable seat slider has reinforcing member with edges overlapping fixed rail
CN201932027U (en) * 2010-12-24 2011-08-17 浙江龙生汽车部件股份有限公司 Slide track for car

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0901934A1 (en) * 1997-09-12 1999-03-17 Bertrand Faure Equipements S.A. Slide for a dismountable vehicle seat
JPH11278111A (en) * 1998-03-30 1999-10-12 Oi Seisakusho Co Ltd Other parts mounting structure on rail parts
US20020008183A1 (en) * 2000-07-19 2002-01-24 Patrick Mallard Runner for a vehicle seat
FR2884461A1 (en) * 2005-04-18 2006-10-20 Faurecia Sieges Automobile Motor vehicle adjustable seat slider has reinforcing member with edges overlapping fixed rail
CN201932027U (en) * 2010-12-24 2011-08-17 浙江龙生汽车部件股份有限公司 Slide track for car

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017087756A (en) * 2015-11-02 2017-05-25 シロキ工業株式会社 Seat track device
CN107554359A (en) * 2017-08-23 2018-01-09 重庆飞适动力汽车座椅部件有限公司 A kind of car chair lock anti-slip track of local strengthening
CN107627909A (en) * 2017-08-23 2018-01-26 重庆飞适动力汽车座椅部件有限公司 A kind of sliding rail of automobile seat

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Application publication date: 20130821