A kind of slide rail and a kind of seat
Technical field
The present invention relates to the automotive seat technical field, particularly relate to a kind of slide rail.In addition, the invention still further relates to a kind of seat.
Background technology
In order to satisfy different chaufeurs operating and controlling vehicle easily, in order to satisfy different passengers, the comfortable space of taking is arranged simultaneously, usually pass through the front and back position of slide rail vehicles seat.
The slide rail of automotive seat is different by type of drive, is divided into manual slide rail and electric sliding rail.Electric sliding rail is the horizontal drive mechanism that relies on the driven by motor slide rail, the front and back position of vehicles seat.
Please refer to Fig. 1, Fig. 1 is a kind of upward view of upper slide rail of typical slide rail.
Automotive seat are set up in parallel two slide rails usually, every slide rail includes horizontal drive mechanism 1', upper slide rail 2' and glidepath (not shown), upper slide rail 1' and glidepath are U-shaped structure, flange by U-shaped opening part interlocks, form the cavity volume of sealing, horizontal drive mechanism 1' is positioned at above-mentioned cavity volume.Glidepath is fixed on bottom of car, and upper slide rail is captiveed joint with automotive seat, and horizontal drive mechanism 1' can drive slide rail 2' and glidepath relative sliding.
Motor 3' is arranged between two slide rails, and the two ends of the axle drive shaft 4' of motor 3' are connected with the horizontal drive mechanism 1' of two slide rails respectively, and provides power for horizontal drive mechanism 1'.
Horizontal drive mechanism 1' comprises gear case, leading screw and nut; Wherein, gear case is captiveed joint with upper slide rail 2', and is the rotation of leading screw with the power conversion that axle drive shaft provides; Nut coordinates with the glidepath captive joint and with leading screw, and when leading screw rotated, the nut straight-line motion had namely been realized the relative sliding of upper slide rail 2' and glidepath, has changed the position of automotive seat.
Usually, gear case is captiveed joint with the madial wall of upper slide rail 2' by its lateral wall, needs the inner width of slide rail 2' and the width of gear case to be complementary.The kind of the gear case that uses in electric sliding rail is a lot, and rail type and the gear case of existing slide rail often can not mate, and needs the width redesign slide rail according to gear case, has improved productive costs.
In view of this, demand urgently for above-mentioned technical matters, design a kind of slide rail that can be used in conjunction with dissimilar gear case.
Summary of the invention
The purpose of this invention is to provide a kind of slide rail, this slide rail can be used in conjunction with dissimilar gear case.Another object of the present invention is to provide a kind of seat that comprises above-mentioned slide rail.
In order to realize above-mentioned technical purpose, the invention provides a kind of slide rail, comprise horizontal drive mechanism, upper slide rail and glidepath; Described upper slide rail and described glidepath are U-shaped structure, formation cavity volumes that matches of the flange by U-shaped opening part both, and described horizontal drive mechanism is positioned at described cavity volume; Described horizontal drive mechanism comprises gear case, leading screw and nut, and described gear case drives described leading screw and rotates, and described nut coordinates with described leading screw and fixes with described glidepath; Also comprise fixed support, described gear case is captiveed joint with described fixed support, and described fixed support is captiveed joint with described upper slide rail.
Preferably, described fixed support has a horizontal surface and two sides; Captive joint with described gear case in two described sides; Described horizontal surface is captiveed joint with the end face of described upper slide rail.
Preferably, described support bracket fastened two described sides have positioning groove, and the notch of described positioning groove is towards the base of described side, and two described sidewalls of described gear case have the positioning boss that coordinates with described positioning groove.
Preferably, described fixed support also has draw-in groove, described draw-in groove be notch towards the square groove on base, described side, described leading screw coordinates with described draw-in groove with the block of described gear case coupling end.
Preferably, described gear case and described fixed support are fixed by bearing pin, and the sidewall of described gear case and described support bracket fastened side all have the through hole that coordinates with described bearing pin.
Preferably, described support bracket fastened horizontal surface is connected with end face riveted joint, welding or the bolt of described upper slide rail.
The present invention also provides a kind of seat, comprises seat body and slide rail, and described slide rail is the described slide rail of above-mentioned any one, and described glidepath position is fixed, and described upper slide rail is captiveed joint with described seat body.
Preferably, described seat is automotive seat.
Slide rail provided by the invention comprises horizontal drive mechanism, upper slide rail and glidepath; Upper slide rail and glidepath are U-shaped structure, formation cavity volumes that matches of the flange by U-shaped opening part both, and horizontal drive mechanism is positioned at cavity volume; Horizontal drive mechanism comprises gear case, leading screw and nut, and gear case drives leading screw and rotates, and nut coordinates with leading screw and fixes with glidepath; Also comprise fixed support, gear case is captiveed joint with fixed support, and fixed support is captiveed joint with upper slide rail.
In the slide rail of this structure, the gear case of horizontal drive mechanism is captiveed joint with upper slide rail by fixed support, in the process that gear case and slide rail are used in conjunction with, the width of upper slide rail is not had strict restriction, the rail type of existing slide rail can realize captiveing joint with gear case by fixed support.Therefore, the slide rail of this structure has realized that existing slide rail can be used in conjunction with dissimilar gear case, in addition, also makes gear case to use in the slide rail of different rail types, has improved the commonality of slide rail.
In a kind of mode, fixed support has a horizontal surface and two sides; Two sides and gear case are fixed; Horizontal surface is captiveed joint with the end face of upper slide rail.
Support bracket fastened two sides have positioning groove, and the notch of positioning groove has towards sideways base the positioning boss that coordinates with positioning groove on the sidewall of gear case.
Fixed support also has draw-in groove, draw-in groove be notch towards the square groove on base, side, leading screw coordinates with draw-in groove with the block of gear case coupling end.
Preferably, gear case and fixed support are fixed by bearing pin, and the sidewall of gear case and support bracket fastened side all have the through hole that coordinates with bearing pin.
Concrete, support bracket fastened horizontal surface is connected with end face riveted joint or the bolt of upper slide rail.
The present invention also provides a kind of seat that comprises above-mentioned slide rail, and this seat can be adjusted the position by above-mentioned slide rail, and the slide rail of this structure makes existing slide rail all can use in this seat.
Description of drawings
Fig. 1 is a kind of upward view of upper slide rail of typical slide rail;
Fig. 2 is the exploded perspective view of a kind of specific embodiment of slide rail provided by the present invention;
Fig. 3 is the partial bottom view of the upper slide rail of slide rail shown in Figure 2;
Fig. 4 is the structural representation of a kind of specific embodiment of fixed support of slide rail shown in Figure 2.
Wherein, in Fig. 1, Reference numeral is as follows:
Horizontal drive mechanism 1'; Upper slide rail 2'; Motor 3'; Axle drive shaft 4';
In Fig. 2 to Fig. 4, Reference numeral is as follows:
Horizontal drive mechanism 1; Gear case 11; Sidewall 111; Positioning boss 112; Leading screw 12; Nut 13; Block 14;
Upper slide rail 2; End face 21; Glidepath 3;
Fixed support 4; Horizontal surface 41; Side 42; Positioning groove 43; Draw-in groove 44; Bolt hole 45; Through hole 5; Bracket at tail part 6.
The specific embodiment
Core of the present invention is to provide a kind of slide rail, and this slide rail can be used in conjunction with dissimilar gear case.Another kind of core of the present invention is to provide a kind of seat that comprises above-mentioned slide rail.
In order to make those skilled in the art person understand better the present invention program, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 2, Fig. 2 is the exploded perspective view of a kind of specific embodiment of slide rail provided by the present invention.
In a kind of concrete embodiment, the invention provides a kind of slide rail, comprise horizontal drive mechanism 1, upper slide rail 2 and glidepath 3; Upper slide rail 2 and glidepath 3 are U-shaped structure, formation cavity volumes that matches of the flange by U-shaped opening part both, and horizontal drive mechanism 1 is positioned at cavity volume; Horizontal drive mechanism 1 comprises gear case 11, leading screw 12 and nut 13, and gear case 11 drives leading screw 12 and rotates, and nut 13 coordinates with leading screw 12 and be fixing with glidepath 3; Also comprise fixed support 4, gear case 11 is captiveed joint with fixed support 4, and fixed support 4 is captiveed joint with upper slide rail 2.
The gear case 11 of horizontal drive mechanism 1 is captiveed joint with upper slide rail 2 by fixed support 4, and nut 13 is captiveed joint with glidepath 3, and leading screw 12 is supported by bracket at tail part 6 away from the end of gear case 11, and bracket at tail part 6 is fixing with upper slide rail 2; Gear case 11 drives leading screw 12 and rotates, and when leading screw 12 rotated, the nut 13 that coordinates with leading screw 12 was done straight-line motion, upper slide rail 2 and glidepath 3 relative slidings.
In the slide rail of this structure, the gear case 11 of horizontal drive mechanism 1 is captiveed joint with upper slide rail 2 by fixed support 4, in the process that gear case 11 and slide rail are used in conjunction with, width to slide rail does not have strict restriction, and the rail type of existing slide rail can realize and being used in conjunction with of gear case 11 by fixed support 4.
Therefore, the slide rail of this structure can realize that the rail type of existing slide rail and dissimilar gear case 11 are used in conjunction with, and also makes gear case 11 to use in the slide rail of different rail types, has improved the commonality of slide rail.
When the rail type of the gear case 11 of horizontal drive mechanism 1 and existing slide rail does not mate, do not need to redesign slide rail, the fixed support 4 that only needs design and gear case 11 to mate, by fixed support 4, gear case 11 is arranged on slide rail, the rail type of existing slide rail namely can realize and being used in conjunction with of gear case 11, by this kind mode, gear case 11 not only can be used in conjunction with the rail type of electric sliding rail, can also be used in conjunction with the rail type of manual slide rail.Compared with prior art, the rail type of existing slide rail namely can meet the demands, and need not redesign slide rail, only needs design fixed support 4, the low product cost of having given birth to.
Please refer to Fig. 3 and Fig. 4, Fig. 3 is the partial bottom view of the upper slide rail of slide rail shown in Figure 2, and Fig. 4 is the structural representation of a kind of specific embodiment of fixed support of slide rail shown in Figure 2.
A kind of preferred embodiment in, fixed support 4 can have a horizontal surface 41 and two sides 42; Captive joint with gear case 11 in two sides 42; Horizontal surface 41 is captiveed joint with the end face 21 of upper slide rail 2.
Fixed support 4 also can be U-shaped structure, is fixed with the sidewall 111 of gear case 11 by two sides 42 to be connected, and then the horizontal surface 41 by fixed support 4 is captiveed joint with upper slide rail 2, and width and the rail type of slide rail do not had strict restriction.
Fixed support 4 can also be captiveed joint with the sidewall of upper slide rail 2, and two side 42 upsides of fixed support 4 can be fixed with the sidewall of upper slide rail 2 and be connected, and downside can be fixed with the sidewall 111 of gear case 11 and be connected.
Concrete, two sides 42 of fixed support 4 have positioning groove 43, and the notch of positioning groove 43 is 42 base towards the side, and two sidewalls 111 of gear case 11 have the positioning boss 112 that coordinates with positioning groove 43.
The positioning groove 43 of fixed support 4 blocks the positioning boss 112 of gear case 11, relatively moving of limiting gear case 11 and fixed support 4 in the horizontal direction, and fixed support 4 can be fixed on gear case 11 between two sides 42.The shape of positioning groove 43 and boss 112 matches, and can be square, also can be other rules or fitfull shape.
In order to increase the intensity of leading screw 12, can block 14 be set at the coupling end of leading screw 12 and gear case 11, and on fixed support 4, the draw-in groove 44 that coordinates with block 14 be set, draw-in groove 44 is the square groove on notch 42 bases towards the side.
Leading screw 12 drives block 14 and rotates when rotating, block 14 can be in the interior rotation of square draw-in groove 44, the position of draw-in groove 44 limit stop 14 horizontal directions.When leading screw 12 bore application force along the slide rail direction, draw-in groove 44 blocked the intensity that block 14 can improve leading screw 12.Certainly, other shapes that also can rotate for limit stop not 14 of the structure of draw-in groove 44.
Concrete, gear case 11 can be fixed by bearing pin with fixed support 4, and the sidewall 111 of gear case 11 and the side 42 of fixed support 4 all have the through hole 5 that coordinates with bearing pin.
As shown in Figure 2, fixed support 4 has through hole 5, and position corresponding with the through hole 5 of fixed support 4 on gear case 11 also has through hole 5, and the bearing pin that coordinates with through hole 5 passes another side 42 of side 42, gear case 11 and the fixed support 4 of fixed support 4 successively.When this bearing pin passes gear case 11, can not affect the drive mechanism of gear case 11 inside.
Bearing pin connect can limiting gear case 11 and fixed support 4 between relatively moving in vertical direction and horizontal direction.Bearing pin and positioning groove 43 are set simultaneously, can better realize captiveing joint of fixed support 4 and gear case 11.
When horizontal drive mechanism 1 is installed, first fixed support 4 is captiveed joint with upper slide rail 2, the horizontal surface 41 of fixed support 4 can be with end face 21 riveted joints of upper slide rail 2, weld, and perhaps, the bolt hole 45 by fixed support in Fig. 44 is connected with upper slide rail 2 bolts; And then gear case 11 is captiveed joint with fixed support 4.Certainly, fixed support 4 and upper slide rail 2 can use above-mentioned a certain connection mode, also can use simultaneously two kinds and above connection connection, perhaps, adopt other can make the connection mode that both achieves a fixed connection.
In the respective embodiments described above, horizontal drive mechanism 1 is positioned at the cavity volume of slide rail 2 and glidepath 3, gear case 11 can be fixed on the front end of upper slide rail 2 by fixed support 4, leading screw 12 provides support by bracket at tail part 6 away from the end of gear case 11, and bracket at tail part 6 can be fixed on the rear end of slide rail 2.
Except above-mentioned slide rail, the present invention also provides a kind of seat that comprises above-mentioned slide rail, and the position of glidepath 3 is fixed, and upper slide rail 2 is captiveed joint with seat body, when upper slide rail 2 and glidepath 3 relative sliding, changes the position of seat body.The structure of these other each several parts of seat please refer to prior art, and this paper repeats no more.
Concrete, this seat can be applied in automotive seat, and automotive seat are set up in parallel two slide rails usually, every slide rail is structure as above, comprise horizontal drive mechanism 1, upper slide rail 2 and glidepath 3, glidepath 3 is fixed on bottom of car, and upper slide rail 2 is captiveed joint with automotive seat.
Between two slide rails, motor is set, the two ends of the axle drive shaft of motor are connected with the horizontal drive mechanism 1 of two slide rails respectively, drive the gear case 11 of horizontal drive mechanism 1; The power conversion that gear case 11 provides axle drive shaft is the rotation of leading screw 12, when leading screw 12 rotates, nut 13 moves on leading screw 12, make slide rail 2 and glidepath 3 relative slidings, changed the front and back position of automotive seat, concrete, can be according to the position of the needs vehicles seat of chaufeur or passenger.
Above slide rail provided by the present invention and seat are described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.