CN103156750A - Seat cushion folding and foot placing plate automatic-telescoping device of dental chair - Google Patents
Seat cushion folding and foot placing plate automatic-telescoping device of dental chair Download PDFInfo
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- CN103156750A CN103156750A CN2011104187009A CN201110418700A CN103156750A CN 103156750 A CN103156750 A CN 103156750A CN 2011104187009 A CN2011104187009 A CN 2011104187009A CN 201110418700 A CN201110418700 A CN 201110418700A CN 103156750 A CN103156750 A CN 103156750A
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- support
- seat cushion
- sole
- cushion
- dental chair
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Abstract
The invention relates to a seat cushion folding and foot placing plate automatic-telescoping device of a dental chair, and belongs to the field of dental medical treatment instrument manufacturing technique. The seat cushion folding and foot placing plate automatic-telescoping device of the dental chair is characterized in that foldable devices are arranged among the connection of a rear seat cushion support and a connecting portion between a foot placing plate support and the back connection piece, an automatic-telescoping device is disposed under a front seat cushion, and the foot placing plate is fixedly disposed on the automatic-telescoping device. The seat cushion folding and foot placing plate automatic-telescoping device of a dental chair is simple in structure, small in size, and stable and reliable in operation, and with a torsion spring acting as an elastic force application element, the device has more security, the problem that a human body is squeezed or equipment is damaged can be prevented. With the back luffing and seat cushion folding movement of the dental chair, the back of the dental chair is used for driving the push-and-pull movement of a motor during the luffing, the synchronous linkage of the foot placing plate in the front of the seat cushion is produced by torsion of the torsion spring and transmission of a stay wire, thereby automatic telescoping of the foot placing plate is realized.
Description
One, technical field
The present invention relates to a kind of dental chair of collapsible automatically retractable, specifically a kind of dental chair seat cushion folding with put the sole automatic extending-contracting apparatus, belong to type medical instrument for dental use manufacturing technology field.
Two, background technology
Dental multipurpose therapy unit is generally used for inspection and the treatment of oral disease, is stomatologic main diagnostic equipment.Dental chair (hereinafter to be referred as dental chair) belongs to the part of dental multipurpose therapy unit, is for the carrier of supporting dental patients at therapeutic process, can make the patient sit on dental chair, face upward and sit and the multiple posture of lying.
At present, most of dental chair of producing both at home and abroad, its seat cushion part is all an integral body, can not fold, the patient takes inconvenience.The also three-bend dental chair of some manufacturer production, structure also has several forms, and such as three folding chairs of German Kavo (slips), internal structure is not quite clear, but puts the sole automatic telescopic for being rigidly connected; The Pulan prunus mume (sieb.) sieb.et zucc. card of Finland, three folding chairs of Fei Mante are put the flexible manual type that is of sole, can not automatic telescopic; Three folding chairs in Japanese and domestic Guangdong etc., folded form adopts parallelogram sturcutre substantially, puts sole for fixedly to expose form, therefore can not accomplish that outward appearance is succinctly frivolous.But the present invention is a kind of new drive device that is different from above domestic and international producer product.
Three, summary of the invention
The objective of the invention is can only simply fold by hand during use in order to solve existing three-bend dental chair, and length can not automatic telescopic, operation is used inconvenient, thus a kind of new technical scheme that proposes.
For achieving the above object, the present invention can be achieved through the following technical solutions:
A kind of dental chair seat cushion folds and puts the sole automatic extending-contracting apparatus, it is comprised of base and support, is provided with back cushion on support, seat cushion before back cushion one end is provided with, the other end is provided with backrest, the back cushion support with put sole support and backrest connector and be provided with folding device between being connected; Be provided with the automatically retractable device below front seat cushion, be fixed with on the automatically retractable device and put sole.
Be provided with the synchronous interaction folding device between back cushion support and front cushion rack and backrest connector, described synchronous interaction folding device is to be fixedly connected with connecting plate on base, the back cushion support is fixedly connected with base by connecting plate, is fixed with back cushion on the back cushion support; Be fixed with rear connecting plate on the back cushion support, front cushion rack is connected with rear connecting plate by rotating shaft; Be fixed with front seat cushion on front cushion rack, put the sole support and be fixedly connected with front cushion rack; Put sole and be flexibly connected with putting the sole support by slide rail, torsion spring one end is connected to by torsion spring pole and puts on the sole support, the other end by put on sole torsion spring pole with put sole and be connected; Guide pad is fixedly connected with front cushion rack, and electric machine support is fixedly connected with connecting plate; Be provided with arc chute on base, chute is provided with carriage, and described carriage is to be provided with slide block in chute, and the slide block connector is fixedly connected with slide block, and connecting rod one end is connected on the slide block connector, and an end and guide pad are slidably connected; Both sides, connecting rod up and down are provided with connecting rod directive wheel and connecting rod spacer pin, and bracing wire one end utilizes the bracing wire hold-down screw to be fixed on connecting rod, and an end is fixed in to be put on sole; Be provided with electric push-pull device on base, described electric push-pull device is to be fixed with linear electric motors on base, and linear electric motors one end is connected with electric machine support, and the other end is connected with the backrest connector.
Be provided with arc chute on base, slide block and the slide block connector that is provided with that slide in arc chute connects into an integral body; Connecting rod one end and front cushion rack are slidably connected by guide pad, and the other end is connected with the slide block connector.
The advantage that the present invention compared with prior art has is: simple in structure, volume is little, and is cheap for manufacturing cost, operates steadily reliable, and torsion spring has more safety as the elastic force-applying element, can not push the problem of human body or equipment damage.The present invention is in the folding movement of the elevating movement of dental chair backrest and seat cushion, utilize the push-and-pull campaign of dental chair backrest drive motors in elevating movement, make the sole of putting of seat cushion front end produce synchronous interaction by the torsion of torsion spring and the transmission of bracing wire, realize automatic telescopic.Adopting the bracing wire principle, is simple stretching transmission with the space transmission, conversion of complexity.Utilize torsion spring as thrust component, reduce structure space, more enlarged patient's the space of taking.
Four, description of drawings
Accompanying drawing is overall structure schematic diagram of the present invention.
Five, the specific embodiment
Now with specific embodiments, the present invention is described in further details by reference to the accompanying drawings:
A kind of dental chair seat cushion is folding and put the sole automatic extending-contracting apparatus, and it is comprised of base and support, is provided with seat cushion on support.be fixed with connecting plate 11 on base 12, back cushion support 10 is fixedly connected with base 12 by connecting plate 11, be fixed with the back cushion (not shown in FIG.) above back cushion support 10, be fixed with rear connecting plate 8 on back cushion support 10, front cushion rack 6 is connected with rear connecting plate 8 by rotating shaft 7, be fixed with front seat cushion 3 on front cushion rack 6, putting sole support 2 is fixedly connected with front cushion rack 6, put sole 1 by slide rail 24 and put sole support 2 and be slidably connected, torsion spring 4 one ends are connected to by torsion spring pole 23 and put on sole support 2, the other end is connected to and puts on sole 1 by putting on sole 1 second torsion spring pole, guide pad 5 is fixedly connected with front cushion rack 6, electric machine support 21 is fixedly connected with connecting plate 11, linear electric motors 9 one ends are connected with electric machine support 21, one end is connected with backrest connector 18, be provided with arc chute on base 12, chute is provided with carriage, described carriage is to be provided with slide block 16 in chute, slide block connector 17 is fixedly connected with slide block 16, connecting rod 13 1 ends are connected on slide block connector 17, one end and guide pad 5 are slidably connected, connecting rod is provided with connecting rod directive wheel 20 and connecting rod spacer pin 19 in both sides Shang Xia 13, and bracing wire 14 1 ends utilize bracing wire hold-down screw 15 to be fixed on connecting rod 13, and an end is fixed in to be put on sole 1.Be provided with electric push-pull device on base 12, described electric push-pull device is to be fixed with linear electric motors 9 on base 12, and the other end of linear electric motors 9 is connected with backrest connector 18; When linear electric motors 9 are done stretching motion from original state, promoting backrest connector 18 moves in arc chute, backrest connector 18 band movable sliders 16 and slide block connector 17 and drivening rod 13 move together, and due to the effect of connecting rod directive wheel 20 and connecting rod spacer pin 19, connecting rod 13 can only be pressed the desired trajectory motion, connecting rod 13 1 ends move on guide pad 5, complete the jackknife action of front seat cushion 3, simultaneously, due to the motion of connecting rod 13, drive bracing wire 14, bracing wire 14 drives again puts sole 1 and does contractile motion; On the contrary, when linear electric motors 9 are done contractile motion, pull backrest connector 18 to move in arc chute, backrest connector 18 band movable sliders 16 and slide block connector 17 and drivening rod 13 move together, and before driving, seat cushion 3 is done stretching, simultaneously, motion due to connecting rod 13, discharge bracing wire 14, at this moment, put sole 1 and do stretching motion under the thrust of torsion spring 4.
Be provided with arc chute on base 12, the slide block 16 that is provided with that slides in arc chute connects into an integral body with slide block connector 17; Connecting rod 13 1 ends and guide pad 5 are slidably connected, and the other end is connected with slide block connector 17, and during linear electric motors 9 motion, before driving by slide block connector 17, seat cushion 3 is folding; Simultaneously putting sole 1 and be provided with bracing wire 14 by putting between guy wire support 22 fixing on sole support 2 and connecting rod 13, is simple stretching transmission by bracing wire 14 with the space transmission, conversion of complexity, drives and puts sole 1 contraction; Torsion spring 4 is installed putting sole 1 and put between sole support 2, the effect of torsion spring 4 is in the lax process of bracing wire 14, promotes to put sole 1 and stretches out, and realizes putting the automatic telescopic function of sole 1.
When dental chair was positioned at the initial position state, stretched out for the longest the motion end of linear electric motors 9, and backrest connector 18 is in the position of bowing most, and front seat cushion 3 is turned up, and puts sole 1 and is pulled to complete contraction state by bracing wire 14.
Need backrest connector 18 to face upward lower time, linear electric motors 9 tache motorices shrink gradually and shorten, and pull backrest connector 18 to face upward downwards, and are with movable slider 16 in the cambered way slides forwards, and connecting rod 13 travels forward, with front seat cushion 3 jack-up, and the stretching of seat cushion 3 before realizing.
Simultaneously, because connecting rod 13 travels forward, make bracing wire 14 loosen gradually, put sole 1 and stretch out gradually under the thrust of torsion spring 4, the synchronous interaction that sole is put in realization, automatic telescopic.
Vice versa.
Claims (3)
1. a dental chair seat cushion folds and puts the sole automatic extending-contracting apparatus, it is comprised of base and support, be provided with back cushion on support, seat cushion before back cushion one end is provided with, the other end is provided with backrest, and feature is: back cushion support (10) with put sole support (2) and backrest connector (18) and be provided with folding device between being connected; Be provided with the automatically retractable device below front seat cushion (3), be fixed with on the automatically retractable device and put sole (1).
2. a kind of dental chair seat cushion of according to claim 1 folds and puts the sole automatic extending-contracting apparatus, it is characterized in that: be provided with the synchronous interaction folding device between back cushion support (10) and front cushion rack (6) and backrest connector (18), described synchronous interaction folding device is to be fixedly connected with connecting plate (11) on base (12), back cushion support (10) is fixedly connected with base (12) by connecting plate (11), and the back cushion support is fixed with back cushion on (10); Be fixed with rear connecting plate (8) on back cushion support (10), front cushion rack (6) is connected with rear connecting plate (8) by rotating shaft (7); Be fixed with front seat cushion (3) on front cushion rack (6), put sole support (2) and be fixedly connected with front cushion rack (6); Put sole (1) by slide rail (24) and put sole support (2) and be flexibly connected, torsion spring (4) one ends are connected to by torsion spring pole (23) and put on sole support (2), the other end by put on sole (1) torsion spring pole with put sole (1) and be connected; Guide pad (5) is fixedly connected with front cushion rack (6), and electric machine support (21) is fixedly connected with connecting plate (11); Be provided with arc chute on base (12), chute is provided with carriage, described carriage is to be provided with slide block (16) in chute, slide block connector (17) is fixedly connected with slide block (16), connecting rod (13) one ends are connected on slide block connector (17), and an end and guide pad (5) are slidably connected; Both sides, connecting rod (13) up and down are provided with connecting rod directive wheel (20) and connecting rod spacer pin (19), and bracing wire (14) one ends utilize bracing wire hold-down screw (15) to be fixed on connecting rod (13), and an end is fixed in to be put on sole (1); Be provided with electric push-pull device on base (12), described electric push-pull device is to be fixed with linear electric motors (9) on base (12), linear electric motors (9) one ends are connected with electric machine support (21), and the other end is connected with backrest connector (18).
3. a kind of dental chair seat cushion according to claim 1 and 2 folds and puts the sole automatic extending-contracting apparatus, it is characterized in that: be provided with arc chute on base (12), the slide block (16) that is provided with that slides in arc chute connects into an integral body with slide block connector (17); Connecting rod (13) one ends and front cushion rack (6) are slidably connected by guide pad (5), and the other end is connected with slide block connector (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110418700.9A CN103156750B (en) | 2011-12-13 | 2011-12-13 | Dental chair seat cushion is folding and put sole automatic extending-contracting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110418700.9A CN103156750B (en) | 2011-12-13 | 2011-12-13 | Dental chair seat cushion is folding and put sole automatic extending-contracting apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103156750A true CN103156750A (en) | 2013-06-19 |
| CN103156750B CN103156750B (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110418700.9A Active CN103156750B (en) | 2011-12-13 | 2011-12-13 | Dental chair seat cushion is folding and put sole automatic extending-contracting apparatus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103976841A (en) * | 2014-05-28 | 2014-08-13 | 上海林戈医疗器械有限公司 | Linked dental chair |
| CN105661989A (en) * | 2016-04-25 | 2016-06-15 | 丁亮 | Folding foot placing device |
| CN106137667A (en) * | 2016-08-10 | 2016-11-23 | 佛山市中创医疗器械有限公司 | A kind of novel dental chair |
| CN109009855A (en) * | 2018-07-09 | 2018-12-18 | 四川博美星口腔设备有限公司 | A kind of three folding dental chair linkages |
| IT201800009691A1 (en) * | 2018-10-23 | 2020-04-23 | Cefla Societa' Coop | DENTAL CHAIR |
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| JP2006075279A (en) * | 2004-09-08 | 2006-03-23 | Osada Res Inst Ltd | Dental treatment chair |
| CN200951169Y (en) * | 2006-08-11 | 2007-09-26 | 何清林 | Linkage transmission device surgical operation chair |
| CN200951168Y (en) * | 2006-08-11 | 2007-09-26 | 莫志彬 | Linkage transmission device for dentist's chair |
| US7708344B1 (en) * | 2008-10-31 | 2010-05-04 | Midmark Corporation | Patient chair with locking assembly |
| JP2011019753A (en) * | 2009-07-16 | 2011-02-03 | Gc Corp | Patient chair and dental unit with patient chair |
| JP2011041591A (en) * | 2009-08-19 | 2011-03-03 | Osada Res Inst Ltd | Dental treatment chair |
| CN202478091U (en) * | 2011-12-13 | 2012-10-10 | 咸阳西北医疗器械(集团)有限公司 | Seat cushion folding and foot placing plate automatic-telescoping device of dental chair |
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2011
- 2011-12-13 CN CN201110418700.9A patent/CN103156750B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2006075279A (en) * | 2004-09-08 | 2006-03-23 | Osada Res Inst Ltd | Dental treatment chair |
| CN200951169Y (en) * | 2006-08-11 | 2007-09-26 | 何清林 | Linkage transmission device surgical operation chair |
| CN200951168Y (en) * | 2006-08-11 | 2007-09-26 | 莫志彬 | Linkage transmission device for dentist's chair |
| US7708344B1 (en) * | 2008-10-31 | 2010-05-04 | Midmark Corporation | Patient chair with locking assembly |
| JP2011019753A (en) * | 2009-07-16 | 2011-02-03 | Gc Corp | Patient chair and dental unit with patient chair |
| JP2011041591A (en) * | 2009-08-19 | 2011-03-03 | Osada Res Inst Ltd | Dental treatment chair |
| CN202478091U (en) * | 2011-12-13 | 2012-10-10 | 咸阳西北医疗器械(集团)有限公司 | Seat cushion folding and foot placing plate automatic-telescoping device of dental chair |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103976841A (en) * | 2014-05-28 | 2014-08-13 | 上海林戈医疗器械有限公司 | Linked dental chair |
| CN105661989A (en) * | 2016-04-25 | 2016-06-15 | 丁亮 | Folding foot placing device |
| CN105661989B (en) * | 2016-04-25 | 2019-02-01 | 丁亮 | A kind of folding foot rest device |
| CN106137667A (en) * | 2016-08-10 | 2016-11-23 | 佛山市中创医疗器械有限公司 | A kind of novel dental chair |
| CN109009855A (en) * | 2018-07-09 | 2018-12-18 | 四川博美星口腔设备有限公司 | A kind of three folding dental chair linkages |
| CN109009855B (en) * | 2018-07-09 | 2023-09-12 | 四川博美星口腔设备有限公司 | Three-fold dental chair linkage device |
| IT201800009691A1 (en) * | 2018-10-23 | 2020-04-23 | Cefla Societa' Coop | DENTAL CHAIR |
| EP3643285A1 (en) * | 2018-10-23 | 2020-04-29 | Cefla Societa' Cooperativa | Dental patient chair |
| CN111329711A (en) * | 2018-10-23 | 2020-06-26 | 塞弗拉合作社 | Dental patient chair |
| US10959900B2 (en) | 2018-10-23 | 2021-03-30 | Cefla Societá Cooperativa | Dental patient chair |
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| Publication number | Publication date |
|---|---|
| CN103156750B (en) | 2016-01-06 |
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Address after: 712000 Xianyang province Shaanxi City Weicheng District Bi Yuan Road No. 3 Patentee after: Masino Medical Equipment Group Co Ltd Address before: 712000 Shaanxi Province, Xianyang City, the original road, No. 3 Patentee before: Xianyang Northwest Medical Instrument (Group) Co., Ltd. |