CN201646472U - Electrical driving seat waist supporting device - Google Patents
Electrical driving seat waist supporting device Download PDFInfo
- Publication number
- CN201646472U CN201646472U CN2010201036648U CN201020103664U CN201646472U CN 201646472 U CN201646472 U CN 201646472U CN 2010201036648 U CN2010201036648 U CN 2010201036648U CN 201020103664 U CN201020103664 U CN 201020103664U CN 201646472 U CN201646472 U CN 201646472U
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- rear bearing
- bearing sheet
- convexity
- end panel
- pressure plate
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- Expired - Fee Related
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model relates to an electrical driving seat waist supporting device which belongs to an accessory of an electrical driving seat. The device comprises a rear supporting plate with an ascending edge and a front supporting plate with a descending edge, the descending edge is arranged in a chute of the ascending edge, and the descending edge and the ascending edge are provided with recesses; a compression spring and a convexity regulating transmission mechanism are arranged between the front supporting plate and the rear supporting plate, the outer end of a tension rod of the convexity regulating transmission mechanism is provided with retractors, and the retractors are arranged in the recesses; the inner end of the tension rod is hinged with a fixed hinge seat on the rear supporting plate, the lower end of a transmission screw rod is connected with the output end of a convexity regulating gearbox through a through hole at the middle part of the rear supporting plate, and the input end of the convexity regulating gearbox is connected with a convexity regulating motor; and a pressure plate with a thread is arranged outside the transmission screw rod, both ends of the pressure plate are respectively provided with sliders with grooves, and the grooves correspond to the tension rod; and the outer side of the rear supporting plate is provided with a position regulating motor which is connected with a gear through the gearbox, and the gear is meshed with a rack.
Description
Technical field:
The utility model belongs to the accessory of electric driver seat, particularly relates to a kind of waist support device of electric driver seat.
Background technology:
At present, the convexity of existing barbed chair waist support device is regulated to have and is realized by airbag aeration and venting, have by spring wire tensioning and (as the Chinese patent 200580043783.0) that relax and realize, (as the U.S. Pat 5954399-A) that has the elastic deformation by elastic panel to realize, also have by rigid body moving forward and backward on protrusion direction realize or the like.Because driver seat is subjected to the shock pressure that the place ahead comes from human body unavoidably, therefore elastic body strut members such as air bag, spring wire have buffer action and make the people feel more comfortable, yet they but are not easy to move around in the backrest skeleton inner space of seat with respect to the rigid body strut member.The rigid body strut member have be convenient to control, advantage that control accuracy is high, but its cushion characteristic difference is an obvious defects.The mode that the Support Position of barbed chair waist support device is regulated also differs, have mode of operation difference by steric different strut members to realize, also has to move by the locus of same strut member to realize.Mode of operation difference by steric different strut members reaches the mode of regulating the Support Position and implements easily, but is difficult to reach the purpose of continuous adjusting, and this type of waist support device generally all is the classification adjustment type; Moving the mode that reaches the Support Position adjusting by the locus of same strut member then realizes regulating continuously easily.
As the patent No. is that 02824522.9 Chinese patent " is equipped with the waist mechanism of power ", the strut member that its convexity is regulated is a rigid plate, one end of this rigid plate is connected with a removable link rod, can change the locus of rigid plate when this link rod vertically moves, and regulates to realize convexity.The Support Position adjusting portion branch of this waist mechanism comprises the supporting plane that is surrounded by rigid bar, and stay bearing plate is installed on the supporting plane; Between stay bearing plate and rigid bar, be connected with removable link rod, when link rod moves, can change the position of stay bearing plate on supporting plane, regulate to realize the Support Position.Though this waist mechanism can be realized accurately regulating continuously of two degree of freedom of convexity and Support Position, there is following shortcoming in it: 1, when this waist mechanism is subjected to coming from the shock pressure of human body back, can not play buffer action; 2, when this waist mechanism is subjected to coming from the shock pressure of human body back, shock pressure can be delivered on the transmission device, influences the reliability of transmission device; 3, this waist mechanism in use, its surface coverage has integuments such as foaming, sponge, covering, lining cloth, produces bigger friction between the sport of stay bearing plate and integument, thereby has shortened the service life of part, has wasted the energy.
The utility model content:
Be not easy to move around at elastic body strut member in the conventional seat waist support device in the backrest skeleton inner space of seat, and the problem of rigid body strut member cushion characteristic difference, it is a kind of in conjunction with elastic body strut member and rigid body strut member advantage separately that the utility model provides, and can avoid shock pressure to be delivered on the transmission device, influence the waist support device of electric driver seat of the reliability of transmission device.
To achieve these goals, the utility model adopts following technical scheme, a kind of waist support device of electric driver seat, comprise rear bearing sheet with positive rise and front end panel with falling edge, in the positive rise of rear bearing sheet, be provided with chute, the falling edge of described front end panel is arranged in the chute of positive rise of rear bearing sheet, the falling edge of the front end panel in left side and the positive rise of rear bearing sheet are provided with left groove, and the falling edge of the front end panel on right side and the positive rise of rear bearing sheet are provided with right groove; Be provided with compression spring and convexity and regulate transmission device between front end panel and rear bearing sheet, described convexity is regulated transmission device and is comprised pressure plate, slide block, drive screw and left lever, right pull bar; Be respectively arranged with Zola's hook, right drag hook in the outer end of left lever, right pull bar, described Zola's hook, right drag hook are separately positioned in the left groove of the positive rise of the falling edge of front end panel and rear bearing sheet, the right groove; The inner of described left lever, right pull bar is respectively arranged with fraising, described fraising is hinged with the fixed hinged seat that is arranged on the rear bearing sheet, middle part at rear bearing sheet is provided with through hole, be arranged on the through hole of the lower end of the drive screw between front end panel and the rear bearing sheet by rear bearing sheet, the mouth of regulating change speed gear box with the convexity that is arranged on the rear bearing sheet outside is connected, and the input end that convexity is regulated change speed gear box is connected with the motor shaft that convexity is regulated motor; Be outside equipped with the pressure plate with screw thread at drive screw, the screw thread of pressure plate is corresponding with drive screw; Two ends, the left and right sides at pressure plate are respectively arranged with the slide block with groove, and the groove of slide block and left lever, right pull bar are corresponding, and slide block and pressure plate are connected through the hinge together; Arranged outside at rear bearing sheet has the position adjustments motor, the motor shaft of position adjustments motor is connected with the input end of position adjustments change speed gear box, the mouth of position adjustments change speed gear box is connected with gear, and gear is meshed with tooth bar on the backrest skeleton that is arranged on electric driver seat.
In order to reduce the friction between waist support device of the present utility model and the electric driver seat integument, the upper surface of front end panel is provided with rolling body.
The beneficial effects of the utility model:
1, waist support device of the present utility model can be implemented in accurately regulating continuously on two degree of freedom of convexity and Support Position;
2, when the backrest of seat was subjected to coming from the shock pressure of human body, waist support device of the present utility model had buffer action, can protect the human body waist not to be subjected to rigid impact, made the people feel more comfortable;
3, when the backrest of seat is subjected to coming from the shock pressure of human body, move behind the front end panel of waist support device of the present utility model, the drag hook of pull bar and front end panel can break away from automatically, can not be delivered to shock pressure on the transmission device, thereby guarantee the durability degree and the reliability of waist support device of the present utility model;
4, because the upper surface of the front end panel of waist support device of the present utility model is provided with rolling body, just reduced the friction between waist support device of the present utility model and the electric driver seat integument, reduce the required driving force of device motion, saved the energy; Reduce the wearing and tearing between the part simultaneously, improved the service life of device and even whole seat.
Description of drawings:
Fig. 1 is the structural representation of waist support device of the present utility model;
Fig. 2 is the structural representation that the convexity of waist support device of the present utility model is regulated transmission device;
Fig. 3 is the front end panel and the rear bearing sheet structure combining scheme drawing of waist support device of the present utility model;
Fig. 4 is the structural representation of a kind of embodiment of waist support device of the present utility model;
Fig. 5 is the back view of Fig. 4;
Wherein, the 1-fixed hinged seat, the 2-convexity is regulated change speed gear box, the 3-convexity is regulated motor, 5-rear bearing sheet, the right drag hook of 6-, the right groove of 7-, the right pull bar of 8-, 9-slide block, the 10-pressure plate, the 11-drive screw, the 12-convexity is regulated transmission device, the 13-rolling body, 14-left lever, 15-groove, the 16-front end panel, 17-compression spring, 18-left side groove, 19-Zola hook, 20-falling edge, 21-positive rise, the 22-tooth bar, 23-gear, 24-position adjustments change speed gear box, 25-position adjustments motor, 26-through hole, 27-chute, the backrest skeleton of 28-electric driver seat, the 29-slideway.
The specific embodiment:
As shown in the figure, a kind of waist support device of electric driver seat, comprise rear bearing sheet 5 with positive rise 21 and front end panel 16 with falling edge 20, in the positive rise 21 of rear bearing sheet 5, be provided with chute 27, the falling edge 20 of described front end panel 16 is arranged in the chute 27 of positive rise 21 of rear bearing sheet 5, the falling edge 20 of the front end panel 16 in left side and the positive rise 21 of rear bearing sheet 5 are provided with left groove 18, and the falling edge 20 of the front end panel 16 on right side and the positive rise 21 of rear bearing sheet 5 are provided with right groove 7; Be provided with compression spring 17 and convexity and regulate transmission device 12 between front end panel 16 and rear bearing sheet 5, described convexity is regulated transmission device 12 and is comprised pressure plate 10, slide block 9, drive screw 11 and left lever 14, right pull bar 8; Be respectively arranged with Zola's hook 19, right drag hook 6 in the outer end of left lever 14, right pull bar 8, described Zola's hook 19, right drag hook 6 are separately positioned in the left groove 18, right groove 7 of the positive rise 21 of the falling edge 20 of front end panel 16 and rear bearing sheet 5; The inner of described left lever 14, right pull bar 8 is respectively arranged with fraising, described fraising is hinged with the fixed hinged seat 1 that is arranged on the rear bearing sheet 5, be provided with through hole 26 at the middle part of rear bearing sheet 5, be arranged on the through hole 26 of the lower end of the drive screw 11 between front end panel 16 and the rear bearing sheet 5 by rear bearing sheet 5, the mouth of regulating change speed gear box 2 with the convexity that is arranged on rear bearing sheet 5 outsides is connected, and the input end that convexity is regulated change speed gear box 2 is connected with the motor shaft that convexity is regulated motor 3; Be outside equipped with the pressure plate 10 with screw thread at drive screw 11, the screw thread of pressure plate 10 is corresponding with drive screw 11; Be respectively arranged with the slide block 9 with groove 15 at the two ends, the left and right sides of pressure plate 10, the groove 15 of slide block 9 and left lever 14, right pull bar 8 are corresponding, and slide block 9 is connected through the hinge together with pressure plate 10; Arranged outside at rear bearing sheet 5 has position adjustments motor 25, the motor shaft of position adjustments motor 25 is connected with the input end of position adjustments change speed gear box 24, the mouth of position adjustments change speed gear box 24 is connected with gear 23, and gear 23 is meshed with tooth bar 22 on the backrest skeleton 28 that is arranged on electric driver seat.
In general, the back that the front surface of waist support device can the direct contact human body, between the back of waist support device and human body often across integument as seats such as foaming, sponge, lining cloth.When waist support device moved in backrest skeleton 28 inner spaces of electric driver seat, the front surface of waist support device can rub with the integument of seat; In order to reduce this friction, the upper surface of the front end panel 16 of waist support device of the present utility model is provided with rolling body 13.
During use, the rear bearing sheet 5 of waist support device of the present utility model is installed on the backrest skeleton 28 of electric driver seat by slideway 29.
Because the swing scope of pull bar is subjected to the restriction of the groove length on the positive rise of rear bearing sheet, so can control the convexity setting range of waist support device of the present utility model by the length of the groove on the positive rise that changes rear bearing sheet.Because the transmission of rack and pinion drive mechanism distance is subjected to the limitation of length of tooth bar, so can control the Support Position setting range of waist support device of the present utility model by the length that changes tooth bar.
A course of action below in conjunction with description of drawings waist support device of the present utility model:
1, the convexity of waist support device of the present utility model is regulated:
When convexity was regulated motor 3 counter-rotatings, convexity was regulated motor 3 and is regulated 11 counter-rotatings of change speed gear box 2 drive drive screies by convexity, and pressure plate 10 moves forward; Under the drive of pressure plate 10, the slide block 9 at its two ends also moves forward, and slide block 9 drives pull bar and swings forward, and the drag hook of pull bar is also swung forward with pull bar, and front end panel 16 moves forward under the restoring force effect of compression spring 17; At this moment, the compression degree of compression spring 17 reduces, and the convexity of waist support device of the present utility model increases.
When convexity adjusting motor 3 was just changeing, convexity is regulated motor 3 was just changeing by convexity adjusting change speed gear box 2 drive drive screies 11, and pressure plate 10 moves backward; Under the drive of pressure plate 10, its slide block of four jiaos 9 also moves backward, and slide block 9 drives pull bar and swings backward, and the drag hook of pull bar is also swung backward with pull bar, moves behind the front end panel 16; At this moment, the compression degree of compression spring 17 increases, and the convexity of waist support device of the present utility model reduces.
2, the Support Position of waist support device of the present utility model is regulated:
When position adjustments motor 25 was just changeing, position adjustments motor 25 clockwise rotated by position adjustments change speed gear box 24 driven gears 23; Because tooth bar 22 is fixed on the backrest skeleton 28 of electric driver seat, so gear 23 will be with waist support device of the present utility model to move up.Otherwise when 25 counter-rotatings of position adjustments motor, gear 23 will be with waist support device of the present utility model to move down.
Claims (2)
1. waist support device of electric driver seat, it is characterized in that comprising rear bearing sheet with positive rise and front end panel with falling edge, in the positive rise of rear bearing sheet, be provided with chute, the falling edge of described front end panel is arranged in the chute of positive rise of rear bearing sheet, the falling edge of the front end panel in left side and the positive rise of rear bearing sheet are provided with left groove, and the falling edge of the front end panel on right side and the positive rise of rear bearing sheet are provided with right groove; Be provided with compression spring and convexity and regulate transmission device between front end panel and rear bearing sheet, described convexity is regulated transmission device and is comprised pressure plate, slide block, drive screw and left lever, right pull bar; Be respectively arranged with Zola's hook, right drag hook in the outer end of left lever, right pull bar, described Zola's hook, right drag hook are separately positioned in the left groove of the positive rise of the falling edge of front end panel and rear bearing sheet, the right groove; The inner of described left lever, right pull bar is respectively arranged with fraising, described fraising is hinged with the fixed hinged seat that is arranged on the rear bearing sheet, middle part at rear bearing sheet is provided with through hole, be arranged on the through hole of the lower end of the drive screw between front end panel and the rear bearing sheet by rear bearing sheet, the mouth of regulating change speed gear box with the convexity that is arranged on the rear bearing sheet outside is connected, and the input end that convexity is regulated change speed gear box is connected with the motor shaft that convexity is regulated motor; Be outside equipped with the pressure plate with screw thread at drive screw, the screw thread of pressure plate is corresponding with drive screw; Two ends, the left and right sides at pressure plate are respectively arranged with the slide block with groove, and the groove of slide block and left lever, right pull bar are corresponding, and slide block and pressure plate are connected through the hinge together; Arranged outside at rear bearing sheet has the position adjustments motor, the motor shaft of position adjustments motor is connected with the input end of position adjustments change speed gear box, the mouth of position adjustments change speed gear box is connected with gear, and gear is meshed with tooth bar on the backrest skeleton that is arranged on electric driver seat.
2. a kind of waist support device of electric driver seat according to claim 1 is characterized in that the upper surface of front end panel is provided with rolling body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201036648U CN201646472U (en) | 2010-01-29 | 2010-01-29 | Electrical driving seat waist supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201036648U CN201646472U (en) | 2010-01-29 | 2010-01-29 | Electrical driving seat waist supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201646472U true CN201646472U (en) | 2010-11-24 |
Family
ID=43111695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201036648U Expired - Fee Related CN201646472U (en) | 2010-01-29 | 2010-01-29 | Electrical driving seat waist supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201646472U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104228638A (en) * | 2014-09-29 | 2014-12-24 | 长城汽车股份有限公司 | Automobile seat and automobile adopting seat |
| CN105946667A (en) * | 2016-05-13 | 2016-09-21 | 北京交通大学 | Combined type efficient energy-absorption seat |
| CN105966288A (en) * | 2016-05-13 | 2016-09-28 | 北京交通大学 | Multistage efficient energy absorption seat backrest |
-
2010
- 2010-01-29 CN CN2010201036648U patent/CN201646472U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104228638A (en) * | 2014-09-29 | 2014-12-24 | 长城汽车股份有限公司 | Automobile seat and automobile adopting seat |
| CN105946667A (en) * | 2016-05-13 | 2016-09-21 | 北京交通大学 | Combined type efficient energy-absorption seat |
| CN105966288A (en) * | 2016-05-13 | 2016-09-28 | 北京交通大学 | Multistage efficient energy absorption seat backrest |
| CN105966288B (en) * | 2016-05-13 | 2017-12-26 | 北京交通大学 | A kind of backrest of multi-stage, efficient energy-absorbing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20110129 |