CN104323620A - Seat lumbar support attitude adjustment device - Google Patents
Seat lumbar support attitude adjustment device Download PDFInfo
- Publication number
- CN104323620A CN104323620A CN201410556925.4A CN201410556925A CN104323620A CN 104323620 A CN104323620 A CN 104323620A CN 201410556925 A CN201410556925 A CN 201410556925A CN 104323620 A CN104323620 A CN 104323620A
- Authority
- CN
- China
- Prior art keywords
- gripper shoe
- driving shaft
- seat
- gear
- fork
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
Abstract
The invention relates to a seat lumbar support attitude adjustment device, belonging to the technical field of seat accessories. The seat lumbar support attitude adjustment device comprises a support height adjustment unit and a support thickness adjustment unit; a first support plate is connected with a seat backrest framework in a sliding way; a connecting rod is connected between the first support plate and a swing rod; one end of the swing rod is fixedly connected with a first driving shaft; a first worm gear fixedly sleeves on the first driving shaft and is meshed with a first worm; a motor shaft of a first driving motor is fixedly connected with the first worm; a swing arm is connected between a second support plate and a rack; the rack is meshed with a gear; the back of the rack is connected with the first support plate in a sliding way; the gear fixedly sleeves at one end of a second driving shaft, and the other end of the second driving shaft vertically passes through the first support plate; the second driving shaft is connected with the first support plate by a bearing; a second worm gear fixedly sleeves on the second driving shaft and is meshed with a second worm; a motor shaft of a second driving motor is fixedly connected with the second worm. After the seat lumbar support attitude adjustment device is used, the support height and the support thickness are continuously adjusted; the seat lumbar support attitude adjustment device is high in adjustment accuracy and good in waist comfort.
Description
Technical field
The invention belongs to seat part technical field, particularly relate to a kind of Seat Lumbar Support attitude regulating mechanism.
Background technology
Be in the people of modern society, no matter be work or life, the time be sitting on chair is more and more longer, and incorrect sitting posture can produce injury greatly to waist, for above-mentioned situation, related personnel have developed the seat that some have adjusting sitting posture, wherein add lumbar support governor motion in the position that seat is corresponding with waist, but what this mechanism adopted is air sac type structure, the interrupted adjustment of formula step by step can only be realized, owing to needing to regulate the bearing height of mechanism and support thickness when reality uses, and the interrupted adjustment of formula is difficult to ensure to regulate accuracy step by step, interrupted adjustment process also can affect waist comfortableness.
Summary of the invention
For prior art Problems existing, the invention provides a kind of Seat Lumbar Support attitude regulating mechanism, can realize the continuous adjustment of bearing height and support thickness, regulate accuracy high, waist comfortableness is good.
To achieve these goals, the present invention adopts following technical scheme: a kind of Seat Lumbar Support attitude regulating mechanism, comprise bearing height regulon and support thickness regulon, described bearing height regulon comprises the first gripper shoe, connecting rod, fork, the first driving shaft, the first worm gear, the first worm screw and the first drive motors, described first gripper shoe is vertically arranged on seat back-rest framework, and the first gripper shoe and seat back-rest framework are slidably connected; Described connecting rod one end is hinged in the first gripper shoe, and the connecting rod other end and fork one end are hinged, the fork other end and the first driving shaft Joint; Described first worm gear is fixedly set on the first driving shaft, and the first worm gear is meshed with the first worm screw, and the motor shaft of the first drive motors is connected mutually with the first worm screw;
Described support thickness regulon comprises the second gripper shoe, swing arm, tooth bar, gear, the second driving shaft, the second worm gear, the second worm screw and the second drive motors, described swing arm one end is hinged in the second gripper shoe, the swing arm other end is hinged on tooth bar, rack and pinion is meshed, and the tooth bar back side and the first gripper shoe are slidably connected; Described gear is fixedly set in second driving shaft one end, and the second driving shaft other end passes perpendicularly through the first gripper shoe, and the second driving shaft is connected by bearing with the first gripper shoe; Described second worm gear is fixedly set in the second driving shaft other end, and the second worm gear is meshed with the second worm screw, and the motor shaft of the second drive motors is connected mutually with the second worm screw.
Described first gripper shoe is provided with the first track convex edge, seat back-rest framework is processed with the first rail groove, first track convex edge is positioned at the first rail groove, and the first gripper shoe is slided at the first rail groove by the first track convex edge, is formed to be slidably connected to coordinate with seat back-rest framework.
The described tooth bar back side is provided with the second track convex edge, and the first gripper shoe is processed with the second rail groove, and the second track convex edge is positioned at the second rail groove, and tooth bar is slided at the second rail groove by the second track convex edge, is formed to be slidably connected to coordinate with the first gripper shoe.
Seat back-rest framework is also provided with two place's spacer pins, and two place's spacer pins lay respectively on the upper and lower oscillating stroke of fork, and fork matches with spacer pin the adjustment stroke for limiting bearing height.
In order to ensure that stability is transmitted in the action of bearing height regulon, be set to two covers for the connecting rod and fork connecting the first gripper shoe and the first driving shaft, and two cover connecting rods and fork lay respectively at the both sides axle head of the first driving shaft.
In order to ensure that stability is transmitted in the action of support thickness regulon, the swing arm between the second gripper shoe and gear and tooth bar are set to two covers, and two place's tooth bars are arranged relative to gear reverse symmetry.
Beneficial effect of the present invention:
Compared with prior art, the deficiency that the formula step by step overcoming original gasbag-type lumbar support governor motion intermittently regulates, all achieves continuous adjustment in bearing height and support thickness two in the present invention; All employ worm screw turbine mechanism in bearing height regulon of the present invention and support thickness regulon, ensure that the one-way that action is transmitted, dependability of the present invention is increased; The present invention also have structure simple, be easy to manipulate, regulate the advantage that accuracy is high and waist comfortableness is good.
Accompanying drawing explanation
Fig. 1 is a kind of Seat Lumbar Support attitude regulating mechanism structural representation of the present invention;
Fig. 2 is the upward view of Fig. 1;
Fig. 3 is that the present invention and seat back-rest framework are equipped with schematic diagram;
In figure, the 1-the first gripper shoe, 2-connecting rod, 3-fork, 4-the first driving shaft, the 5-the first worm gear, the 6-the first worm screw, the 7-the first drive motors, 8-seat back-rest framework, the 9-the second gripper shoe, 10-swing arm, 11-tooth bar, 12-gear, the 13-the second driving shaft, the 14-the second worm gear, the 15-the second worm screw, 16-the second drive motors, the 17-the first track convex edge, the 18-the first rail groove, 19-the second track convex edge, the 20-the second rail groove, 21-spacer pin.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in Figure 1, 2, 3, a kind of Seat Lumbar Support attitude regulating mechanism, comprise bearing height regulon and support thickness regulon, described bearing height regulon comprises the first gripper shoe 1, connecting rod 2, fork 3, first driving shaft 4, first worm gear 5, first worm screw 6 and the first drive motors 7, described first gripper shoe 1 is vertically arranged on seat back-rest framework 8, and the first gripper shoe 1 is slidably connected with seat back-rest framework 8; Described connecting rod 2 one end is hinged in the first gripper shoe 1, and connecting rod 2 other end and fork 3 one end are hinged, fork 3 other end and the first driving shaft 4 Joint; Described first worm gear 5 is fixedly set on the first driving shaft 4, and the first worm gear 5 is meshed with the first worm screw 6, and the motor shaft of the first drive motors 7 is connected mutually with the first worm screw 6;
Described support thickness regulon comprises the second gripper shoe 9, swing arm 10, tooth bar 11, gear 12, second driving shaft 13, second worm gear 14, second worm screw 15 and the second drive motors 16, described swing arm 10 one end is hinged in the second gripper shoe 9, swing arm 10 other end is hinged on tooth bar 11, tooth bar 11 is meshed with gear 12, and tooth bar 11 back side and the first gripper shoe 1 are slidably connected; Described gear 12 is fixedly set in second driving shaft 13 one end, and second driving shaft 13 other end passes perpendicularly through the first gripper shoe 1, and the second driving shaft 13 is connected by bearing with the first gripper shoe 1; Described second worm gear 14 is fixedly set in second driving shaft 13 other end, and the second worm gear 14 is meshed with the second worm screw 15, and the motor shaft of the second drive motors 16 is connected mutually with the second worm screw 15.
Described first gripper shoe 1 is provided with the first track convex edge 17, seat back-rest framework 8 is processed with the first rail groove 18, first track convex edge 17 is positioned at the first rail groove 18, first gripper shoe 1 is slided at the first rail groove 18 by the first track convex edge 17, is formed to be slidably connected to coordinate with seat back-rest framework 8.
Described tooth bar 11 back side is provided with the second track convex edge 19, first gripper shoe 1 is processed with the second rail groove 20, second track convex edge 19 is positioned at the second rail groove 20, and tooth bar 11 is slided at the second rail groove 20 by the second track convex edge 19, is formed to be slidably connected to coordinate with the first gripper shoe 1.
Seat back-rest framework 8 is also provided with two place's spacer pin 21, two place's spacer pins 21 to lay respectively on the upper and lower oscillating stroke of fork 3, the adjustment stroke that fork 3 matches for limiting bearing height with spacer pin 21.
In order to ensure that stability is transmitted in the action of bearing height regulon, be set to two covers for the connecting rod 2 and fork 3 connecting the first gripper shoe 1 and the first driving shaft 4, and two cover connecting rods 2 and fork 3 lay respectively at the both sides axle head of the first driving shaft 4.
In order to ensure that stability is transmitted in the action of support thickness regulon, the swing arm 10 between the second gripper shoe 9 and gear 12 and tooth bar 11 are set to two covers, and two place's tooth bars 11 are arranged relative to gear 12 reverse symmetry.
Below in conjunction with accompanying drawing, a use procedure of the present invention is described:
Embodiment one: the adjustment carrying out bearing height
First drive motors 7 rotates forward, and drives the first worm screw 6 to rotate forward, and the first worm screw 6 drives the first worm gear 5 be engaged with to rotate, and then drive the first driving shaft 4 to rotate, fork 3 is upwards swung, and is driven in the first gripper shoe 1 by connecting rod 2 and move, realize heightening of bearing height.
Otherwise the first drive motors 7 rotates backward, the first worm screw 6 is driven to rotate backward, first worm screw 6 drives the first worm gear 5 be engaged with to rotate, and then drives the first driving shaft 4 to rotate, and makes fork 3 to lower swing, and drive the first gripper shoe 1 to move down by connecting rod 2, realize turning down of bearing height.
Embodiment two: the adjustment carrying out support thickness
Second drive motors 16 rotates forward, the second worm screw 15 is driven to rotate forward, second worm screw 15 drives the second worm gear 14 be engaged with to rotate, and then drive the second driving shaft 13 to rotate, gear 12 is turned clockwise, and then drive two tooth bars 11 be engaged with to move towards each other, and drive the second gripper shoe 9 to move to away from the first gripper shoe 1 direction by swing arm 10, realize heightening of support thickness.
Otherwise, second drive motors 16 rotates backward, the second worm screw 15 is driven to rotate backward, second worm screw 15 drives the second worm gear 14 be engaged with to rotate, and then drive the second driving shaft 13 to rotate, gear 12 is rotated counterclockwise, and then drives two tooth bars 11 be engaged with to move away from each other, and drive the second gripper shoe 9 to move near the first gripper shoe 1 direction by swing arm 10, realize turning down of support thickness.
By limiting the length dimension of the second rail groove 20 in the first gripper shoe 1, just can limit the moving range of tooth bar 11, and then limit the adjustment stroke of support thickness.
Scheme in embodiment is also not used to limit scope of patent protection of the present invention, and the equivalence that all the present invention of disengaging do is implemented or changed, and is all contained in the scope of the claims of this case.
Claims (6)
1. a Seat Lumbar Support attitude regulating mechanism, it is characterized in that: comprise bearing height regulon and support thickness regulon, described bearing height regulon comprises the first gripper shoe, connecting rod, fork, the first driving shaft, the first worm gear, the first worm screw and the first drive motors, described first gripper shoe is vertically arranged on seat back-rest framework, and the first gripper shoe and seat back-rest framework are slidably connected; Described connecting rod one end is hinged in the first gripper shoe, and the connecting rod other end and fork one end are hinged, the fork other end and the first driving shaft Joint; Described first worm gear is fixedly set on the first driving shaft, and the first worm gear is meshed with the first worm screw, and the motor shaft of the first drive motors is connected mutually with the first worm screw;
Described support thickness regulon comprises the second gripper shoe, swing arm, tooth bar, gear, the second driving shaft, the second worm gear, the second worm screw and the second drive motors, described swing arm one end is hinged in the second gripper shoe, the swing arm other end is hinged on tooth bar, rack and pinion is meshed, and the tooth bar back side and the first gripper shoe are slidably connected; Described gear is fixedly set in second driving shaft one end, and the second driving shaft other end passes perpendicularly through the first gripper shoe, and the second driving shaft is connected by bearing with the first gripper shoe; Described second worm gear is fixedly set in the second driving shaft other end, and the second worm gear is meshed with the second worm screw, and the motor shaft of the second drive motors is connected mutually with the second worm screw.
2. a kind of Seat Lumbar Support attitude regulating mechanism according to claim 1, it is characterized in that: described first gripper shoe is provided with the first track convex edge, seat back-rest framework is processed with the first rail groove, first track convex edge is positioned at the first rail groove, first gripper shoe is slided at the first rail groove by the first track convex edge, is formed to be slidably connected to coordinate with seat back-rest framework.
3. a kind of Seat Lumbar Support attitude regulating mechanism according to claim 1, it is characterized in that: the described tooth bar back side is provided with the second track convex edge, first gripper shoe is processed with the second rail groove, second track convex edge is positioned at the second rail groove, tooth bar is slided at the second rail groove by the second track convex edge, is formed to be slidably connected to coordinate with the first gripper shoe.
4. a kind of Seat Lumbar Support attitude regulating mechanism according to claim 1, it is characterized in that: on seat back-rest framework, be also provided with two place's spacer pins, two place's spacer pins lay respectively on the upper and lower oscillating stroke of fork, and fork matches with spacer pin the adjustment stroke for limiting bearing height.
5. a kind of Seat Lumbar Support attitude regulating mechanism according to claim 1, in order to ensure that stability is transmitted in the action of bearing height regulon, it is characterized in that: connecting rod and fork for connecting the first gripper shoe and the first driving shaft are set to two covers, and two cover connecting rods and fork lay respectively at the both sides axle head of the first driving shaft.
6. a kind of Seat Lumbar Support attitude regulating mechanism according to claim 1, in order to ensure that stability is transmitted in the action of support thickness regulon, it is characterized in that: the swing arm between the second gripper shoe and gear and tooth bar are set to two covers, and two place's tooth bars are arranged relative to gear reverse symmetry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410556925.4A CN104323620B (en) | 2014-10-17 | 2014-10-17 | A kind of Seat Lumbar Support attitude regulating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410556925.4A CN104323620B (en) | 2014-10-17 | 2014-10-17 | A kind of Seat Lumbar Support attitude regulating mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104323620A true CN104323620A (en) | 2015-02-04 |
| CN104323620B CN104323620B (en) | 2016-11-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410556925.4A Active CN104323620B (en) | 2014-10-17 | 2014-10-17 | A kind of Seat Lumbar Support attitude regulating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104323620B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105124962A (en) * | 2015-07-30 | 2015-12-09 | 韩玉生 | Seat adjusting device |
| CN105501082A (en) * | 2015-12-18 | 2016-04-20 | 合肥工业大学 | Adjustable automobile seat |
| CN108272541A (en) * | 2017-09-21 | 2018-07-13 | 深圳市中医院 | A kind of apparatus for reducing lumbar vertebrae |
| CN108703847A (en) * | 2018-07-06 | 2018-10-26 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Patient's clinostatism disposes back cushion after nephrostomy |
| CN110302037A (en) * | 2019-07-08 | 2019-10-08 | 上海博灵机器人科技有限责任公司 | A kind of synchronous telescopic device for exoskeleton robot waist two sides connecting rod |
| CN110370249A (en) * | 2019-07-31 | 2019-10-25 | 深圳职业技术学院 | Wearable robot waist back width adjustment mechanism |
| CN111108953A (en) * | 2019-12-27 | 2020-05-08 | 陈力 | A device for chinese-medicinal material is planted |
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| CN1087804A (en) * | 1992-12-05 | 1994-06-15 | 塞斯尼·洛伦茨 | The mat on the backrest of being installed in that meets that human anatomy supports in particular for the waist neck support |
| CN2669717Y (en) * | 2003-12-15 | 2005-01-12 | 吴长钰 | Waist rest of chair with suspending beam structure |
| US7278688B1 (en) * | 2006-10-04 | 2007-10-09 | Hsiang-Lin Hung | Elastic support structure for a human body to lean against |
| JP2008099863A (en) * | 2006-10-19 | 2008-05-01 | Yoshida Dental Mfg Co Ltd | Automatic adjusting mechanism for backrest |
| CN102632814A (en) * | 2012-03-29 | 2012-08-15 | 长春富维—江森自控汽车饰件系统有限公司 | Angle adjusting mechanism for automotive rear seat backrests |
| CN103072502A (en) * | 2013-01-21 | 2013-05-01 | 东北大学 | Waist clamping and supporting device of seat |
| CN203538811U (en) * | 2013-11-04 | 2014-04-16 | 朱文彬 | Backrest adjusting device |
| CN203735794U (en) * | 2013-12-29 | 2014-07-30 | 佳木斯大学 | Public leisure chair |
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2014
- 2014-10-17 CN CN201410556925.4A patent/CN104323620B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1087804A (en) * | 1992-12-05 | 1994-06-15 | 塞斯尼·洛伦茨 | The mat on the backrest of being installed in that meets that human anatomy supports in particular for the waist neck support |
| CN2669717Y (en) * | 2003-12-15 | 2005-01-12 | 吴长钰 | Waist rest of chair with suspending beam structure |
| US7278688B1 (en) * | 2006-10-04 | 2007-10-09 | Hsiang-Lin Hung | Elastic support structure for a human body to lean against |
| JP2008099863A (en) * | 2006-10-19 | 2008-05-01 | Yoshida Dental Mfg Co Ltd | Automatic adjusting mechanism for backrest |
| CN102632814A (en) * | 2012-03-29 | 2012-08-15 | 长春富维—江森自控汽车饰件系统有限公司 | Angle adjusting mechanism for automotive rear seat backrests |
| CN103072502A (en) * | 2013-01-21 | 2013-05-01 | 东北大学 | Waist clamping and supporting device of seat |
| CN203538811U (en) * | 2013-11-04 | 2014-04-16 | 朱文彬 | Backrest adjusting device |
| CN203735794U (en) * | 2013-12-29 | 2014-07-30 | 佳木斯大学 | Public leisure chair |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105124962A (en) * | 2015-07-30 | 2015-12-09 | 韩玉生 | Seat adjusting device |
| CN105501082A (en) * | 2015-12-18 | 2016-04-20 | 合肥工业大学 | Adjustable automobile seat |
| CN105501082B (en) * | 2015-12-18 | 2018-08-07 | 合肥工业大学 | A kind of adjustment type automotive seat |
| CN108272541A (en) * | 2017-09-21 | 2018-07-13 | 深圳市中医院 | A kind of apparatus for reducing lumbar vertebrae |
| CN108272541B (en) * | 2017-09-21 | 2024-04-12 | 深圳市中医院 | Lumbar vertebra restorer |
| CN108703847A (en) * | 2018-07-06 | 2018-10-26 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Patient's clinostatism disposes back cushion after nephrostomy |
| CN110302037A (en) * | 2019-07-08 | 2019-10-08 | 上海博灵机器人科技有限责任公司 | A kind of synchronous telescopic device for exoskeleton robot waist two sides connecting rod |
| CN110370249A (en) * | 2019-07-31 | 2019-10-25 | 深圳职业技术学院 | Wearable robot waist back width adjustment mechanism |
| CN111108953A (en) * | 2019-12-27 | 2020-05-08 | 陈力 | A device for chinese-medicinal material is planted |
Also Published As
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|---|---|
| CN104323620B (en) | 2016-11-23 |
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