CN104323620B - A kind of Seat Lumbar Support attitude regulating mechanism - Google Patents
A kind of Seat Lumbar Support attitude regulating mechanism Download PDFInfo
- Publication number
- CN104323620B CN104323620B CN201410556925.4A CN201410556925A CN104323620B CN 104323620 B CN104323620 B CN 104323620B CN 201410556925 A CN201410556925 A CN 201410556925A CN 104323620 B CN104323620 B CN 104323620B
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- CN
- China
- Prior art keywords
- gripper shoe
- drive shaft
- fork
- worm screw
- tooth bar
- 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.)
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Classifications
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- 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
A kind of Seat Lumbar Support attitude regulating mechanism, belongs to seat part technical field.The present invention includes bearing height regulation unit and support thickness regulation unit, and the first gripper shoe and seat back-rest framework are slidably connected, and connecting rod is connected between the first gripper shoe and fork, fork one end and the first drive shaft Joint；First worm gear is fixedly set in the first drive shaft and is meshed with the first worm screw, and motor shaft and first worm screw of the first driving motor are fixedly connected with；Swing arm is connected between the second gripper shoe and tooth bar, and rack and pinion is meshed, and the tooth bar back side is slidably connected with the first gripper shoe；Gear is fixedly set in second drive shaft one end, and the other end passes perpendicularly through the first gripper shoe, and both are connected by bearing；Second worm gear is fixedly set in the second drive shaft and is meshed with the second worm screw, and motor shaft and second worm screw of the second driving motor are fixedly connected with.The present invention is capable of continuously adjusting of bearing height and support thickness, and regulation accuracy is high, and waist comfortableness is good.
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
Being in the people of modern society, either working or live, the time being sitting on chair is more and more longer, and incorrect
Sitting posture can produce injury greatly to waist, and for above-mentioned situation, related personnel have developed some seats with adjusting sitting posture,
Wherein add lumbar support governor motion in seat and the corresponding position of waist, but this mechanism use air sac type structure,
The interrupted regulation of formula step by step can only be realized, owing to needing the bearing height to mechanism and support thickness to be adjusted when actually used,
And the discontinuously regulation of formula is it is difficult to ensure that regulation accuracy step by step, interrupted regulation process also can affect waist comfortableness.
Content of the invention
The problem existing for prior art, the present invention provides a kind of Seat Lumbar Support attitude regulating mechanism, is capable of supporting
Height continuously adjusts with support thickness, and regulation accuracy is high, and waist comfortableness is good.
To achieve these goals, the present invention adopts the following technical scheme that a kind of Seat Lumbar Support attitude regulating mechanism, including
Bearing height regulation unit and support thickness regulation unit, described bearing height regulation unit includes the first gripper shoe, connecting rod, pendulum
Bar, the first drive shaft, the first worm gear, the first worm screw and the first driving motor, described first gripper shoe is vertically provided at seat and leans on
On spine frame, the first gripper shoe and seat back-rest framework are slidably connected；Described connecting rod one end is hinged in the first gripper shoe, connecting rod
The other end is hinged with fork one end, the fork other end and the first drive shaft Joint；Described first worm gear is fixedly set in first
In drive shaft, the first worm gear and the first worm screw are meshed, and motor shaft and first worm screw of the first driving motor are fixedly connected with；
Described support thickness regulation unit include the second gripper shoe, swing arm, tooth bar, gear, the second drive shaft, the second worm gear,
Second worm screw and the second driving motor, described swing arm one end is hinged in the second gripper shoe, and the swing arm other end is hinged on tooth bar,
Rack and pinion is meshed, and the tooth bar back side is slidably connected with the first gripper shoe；Described gear is fixedly set in second drive shaft one end,
The second drive shaft other end passes perpendicularly through the first gripper shoe, and the second drive shaft is connected by bearing with the first gripper shoe；Described
Second worm gear is fixedly set in the second drive shaft other end, and the second worm gear and the second worm screw are meshed, the motor of the second driving motor
Axle and the second worm screw are fixedly connected with.
It is provided with the first track convex edge in described first gripper shoe, seat back-rest framework is machined with the first rail groove, the first rail
Convex edge, road is positioned at the first rail groove, and the first gripper shoe is slided at the first rail groove, with backrest bone by the first track convex edge
Frame forms the cooperation that is slidably connected.
The described tooth bar back side is provided with the second track convex edge, is machined with the second rail groove, the second track convex edge in the first gripper shoe
Being positioned at the second rail groove, tooth bar is slided at the second rail groove by the second track convex edge, is formed with the first gripper shoe and is slidably connected
Coordinate.
Being additionally provided with spacer pin at twos on seat back-rest framework, at two, spacer pin lays respectively on the upper and lower oscillating stroke of fork,
Fork matches with spacer pin the regulation stroke for limiting bearing height.
In order to ensure the action transmission stability of bearing height regulation unit, for connecting the company of the first gripper shoe and the first drive shaft
Bar and fork are set to two sets, and two set connecting rods and fork lay respectively at the both sides axle head of the first drive shaft.
It in order to ensure the action transmission stability of support thickness regulation unit, is positioned at the swing arm between the second gripper shoe and gear and tooth
Bar is set to two sets, and at two, tooth bar is arranged relative to gear reverse symmetry.
Beneficial effects of the present invention:
The present invention compared with prior art, overcomes the deficiency that the formula step by step of original gasbag-type lumbar support governor motion is discontinuously regulated,
All achieve continuously adjust at bearing height and two aspects of support thickness；The bearing height regulation unit of the present invention and support thickness
All employ worm screw turbine mechanism in regulation unit, it is ensured that the one-way of action transmission, make the dependability of the present invention increase；
The present invention also has simple in construction, is easily manipulated, regulates the advantage that accuracy is high and waist comfortableness is good.
Brief description
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 is equipped with schematic diagram with seat back-rest framework；
In figure, 1 first gripper shoe, 2 connecting rods, 3 forks, 4 first drive shafts, 5 first worm gears, 6 first snails
Bar, 7 first driving motors, 8 seat back-rest frameworks, 9 second gripper shoes, 10 swing arms, 11 tooth bars, 12 gears,
13 second drive shafts, 14 second worm gears, 15 second worm screws, 16 second driving motors, 17 first track convex edges,
18 first rail grooves, 19 second track convex edges, 20 second rail grooves, 21 spacer pins.
Detailed description of the invention
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, 2, 3, a kind of Seat Lumbar Support attitude regulating mechanism, including bearing height regulation unit and support thickness
Degree regulation unit, described bearing height regulation unit includes the first gripper shoe the 1st, connecting rod the 2nd, fork the 3rd, the first drive shaft the 4th, the
One worm gear the 5th, the first worm screw 6 and the first driving motor 7, described first gripper shoe 1 is vertically provided on seat back-rest framework 8,
First gripper shoe 1 and seat back-rest framework 8 are slidably connected；Described connecting rod 2 one end is hinged in the first gripper shoe 1, connecting rod 2
The other end is hinged with fork 3 one end, fork 3 other end and the first drive shaft 4 Joint；Described first worm gear 5 fixed cover
Being contained in the first drive shaft 4, the first worm gear 5 is meshed with the first worm screw 6, the motor shaft of the first driving motor 7 and the first snail
Bar 6 is fixedly connected with；
The 13rd, described support thickness regulation unit includes the second gripper shoe the 9th, swing arm the 10th, tooth bar the 11st, gear the 12nd, the second drive shaft
Second worm gear the 14th, the second worm screw 15 and the second driving motor 16, described swing arm 10 one end is hinged in the second gripper shoe 9, pendulum
Arm 10 other end is hinged on tooth bar 11, and tooth bar 11 is meshed with gear 12, slides with the first gripper shoe 1 in tooth bar 11 back side
Connect；Described gear 12 is fixedly set in second drive shaft 13 one end, and second drive shaft 13 other end passes perpendicularly through the first support
Plate 1, and the second drive shaft 13 is connected by bearing with the first gripper shoe 1；Described second worm gear 14 is fixedly set in second
Drive shaft 13 other end, the second worm gear 14 is meshed with the second worm screw 15, the motor shaft of the second driving motor 16 and the second snail
Bar 15 is fixedly connected with.
It is provided with the first track convex edge 17 in described first gripper shoe 1, seat back-rest framework 8 is machined with the first rail groove 18,
First track convex edge 17 is positioned at the first rail groove 18, and the first gripper shoe 1 passes through the first track convex edge 17 at the first rail groove
18 slide, and being slidably connected with seat back-rest framework 8 formation coordinates.
Described tooth bar 11 back side is provided with the second track convex edge 19, is machined with the second rail groove 20 in the first gripper shoe 1, the
Two track convex edges 19 are 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,
Formed to be slidably connected with the first gripper shoe 1 and coordinate.
Being additionally provided with spacer pin 21 at twos on seat back-rest framework 8, at two, spacer pin 21 lays respectively at the upper and lower of fork 3
On oscillating stroke, fork 3 matches with spacer pin 21 the regulation stroke for limiting bearing height.
In order to ensure the action transmission stability of bearing height regulation unit, for connecting the first gripper shoe 1 and the first drive shaft 4
Connecting rod 2 and fork 3 be set to two sets, and two set connecting rods 2 and fork 3 lay respectively at the both sides axle head of the first drive shaft 4.
It in order to ensure the action transmission stability of support thickness regulation unit, is positioned at the swing arm between the second gripper shoe 9 and gear 12
10 and tooth bar 11 be set to two sets, and at two, tooth bar 11 is arranged relative to gear 12 reverse symmetry.
The first use process of the explanation present invention below in conjunction with the accompanying drawings:
Embodiment one: be supported the regulation of height
First driving motor 7 rotates forward, and drives the first worm screw 6 to rotate forward, and the first worm screw 6 drives first being engaged with
Worm gear 5 rotates, and then drives the first drive shaft 4 to rotate, and makes fork 3 be swung up, and drives the first support by connecting rod 2
Move on plate 1, it is achieved heightening of bearing height.
Otherwise, the first driving motor 7 rotates backward, and drives the first worm screw 6 to rotate backward, and the first worm screw 6 drives and is engaged with
The first worm gear 5 rotate, and then drive the first drive shaft 4 to rotate, make fork 3 swung downward, and drive the by connecting rod 2
One gripper shoe 1 moves down, it is achieved turning down of bearing height.
Embodiment two: be supported the regulation of thickness
Second driving motor 16 rotates forward, and drives the second worm screw 15 to rotate forward, and the second worm screw 15 drives the being engaged with
Two worm gears 14 rotate, and then drive the second drive shaft 13 to rotate, and make the gear 12 turn clockwise, and then drive and be engaged with
Two tooth bars 11 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, the second driving motor 16 rotates backward, and drives the second worm screw 15 to rotate backward, and the second worm screw 15 drives and nibbles therewith
The second worm gear 14 closing rotates, and then drives the second drive shaft 13 to rotate, and makes gear 12 rotate counterclockwise, and then drives therewith
Two tooth bars 11 of engagement move away from each other, and drive the second gripper shoe 9 near the first gripper shoe 1 side by swing arm 10
To movement, it is achieved turning down of support thickness.
By being defined the length dimension of the second rail groove 20 in the first gripper shoe 1, the shifting of tooth bar 11 just can be limited
Dynamic scope, and then limit the regulation stroke of support thickness.
Scheme in embodiment the scope of patent protection being not used to the restriction present invention, all equivalence enforcement done without departing from the present invention
Or change, it is both contained in the scope of the claims of this case.
Claims (6)
1. a Seat Lumbar Support attitude regulating mechanism, including bearing height regulation unit and support thickness regulation unit, it is special
Levy and be: described bearing height regulation unit include the first gripper shoe, connecting rod, fork, the first drive shaft, the first worm gear, the
One worm screw and the first driving motor, described first gripper shoe is vertically provided on seat back-rest framework, and the first gripper shoe and seat lean on
Spine frame is slidably connected；Described connecting rod one end is hinged in the first gripper shoe, and the connecting rod other end is hinged with fork one end, fork
The other end and the first drive shaft Joint；Described first worm gear is fixedly set in the first drive shaft, the first worm gear and the first worm screw
Being meshed, motor shaft and first worm screw of the first driving motor are fixedly connected with；
Described support thickness regulation unit include the second gripper shoe, swing arm, tooth bar, gear, the second drive shaft, the second worm gear,
Second worm screw and the second driving motor, described swing arm one end is hinged in the second gripper shoe, and the swing arm other end is hinged on tooth bar,
Rack and pinion is meshed, and the tooth bar back side is slidably connected with the first gripper shoe；Described gear is fixedly set in second drive shaft one end,
The second drive shaft other end passes perpendicularly through the first gripper shoe, and the second drive shaft is connected by bearing with the first gripper shoe；Described
Second worm gear is fixedly set in the second drive shaft other end, and the second worm gear and the second worm screw are meshed, the motor of the second driving motor
Axle and the second worm screw are fixedly connected with.
2. a kind of Seat Lumbar Support attitude regulating mechanism according to claim 1, it is characterised in that: described first supports
Being provided with the first track convex edge on plate, being machined with the first rail groove on seat back-rest framework, the first track convex edge is positioned at the first rail
In road groove, the first gripper shoe is slided at the first rail groove by the first track convex edge, is formed to be slidably connected with seat back-rest framework and joins
Close.
3. a kind of Seat Lumbar Support attitude regulating mechanism according to claim 1, it is characterised in that: the described tooth bar back side
Being provided with the second track convex edge, being machined with the second rail groove in the first gripper shoe, the 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, and being slidably connected with the first gripper shoe formation coordinates.
4. a kind of Seat Lumbar Support attitude regulating mechanism according to claim 1, it is characterised in that: at backrest bone
Being additionally provided with spacer pin at two on frame, at two, spacer pin lays respectively on the upper and lower oscillating stroke of fork, fork and spacer pin phase
Coordinate the regulation stroke for limiting bearing height.
5. a kind of Seat Lumbar Support attitude regulating mechanism according to claim 1, in order to ensure bearing height regulation unit
Action transmission stability, it is characterised in that: be set to two for connecting the connecting rod of the first gripper shoe and the first drive shaft and fork
Overlap, and two set connecting rods and fork lay respectively at the both sides axle head of the first drive shaft.
6. a kind of Seat Lumbar Support attitude regulating mechanism according to claim 1, in order to ensure support thickness regulation unit
Action transmission stability, it is characterised in that: be positioned at the swing arm between the second gripper shoe and gear and tooth bar be set to two sets, and
At two, tooth bar is 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 CN104323620A (en) | 2015-02-04 |
| CN104323620B true CN104323620B (en) | 2016-11-23 |
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ID=52398544
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| 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 |
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| Country | Link |
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| CN (1) | CN104323620B (en) |
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| CN105124962A (en) * | 2015-07-30 | 2015-12-09 | 韩玉生 | Seat adjusting device |
| CN105501082B (en) * | 2015-12-18 | 2018-08-07 | 合肥工业大学 | A kind of adjustment type automotive seat |
| 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 |
| CN111108953B (en) * | 2019-12-27 | 2022-12-16 | 安国市深豪药业有限公司 | A device for chinese-medicinal material is planted |
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 |
-
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 |
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| Publication number | Publication date |
|---|---|
| CN104323620A (en) | 2015-02-04 |
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