CN109276402B - Connection structure for dental chair backrest - Google Patents
Connection structure for dental chair backrest Download PDFInfo
- Publication number
- CN109276402B CN109276402B CN201811274624.7A CN201811274624A CN109276402B CN 109276402 B CN109276402 B CN 109276402B CN 201811274624 A CN201811274624 A CN 201811274624A CN 109276402 B CN109276402 B CN 109276402B
- Authority
- CN
- China
- Prior art keywords
- seat cushion
- backrest
- pull rod
- supporting plate
- cushion supporting
- 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.)
- Active
Links
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 230000001914 calming effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G15/00—Operating chairs; Dental chairs; Accessories specially adapted therefor, e.g. work stands
- A61G15/10—Parts, details or accessories
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G15/00—Operating chairs; Dental chairs; Accessories specially adapted therefor, e.g. work stands
- A61G15/02—Chairs with means to adjust position of patient; Controls therefor
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention relates to the technical field of dental chairs, in particular to a connecting structure for a backrest of a dental chair, which comprises a seat cushion supporting plate, a fixing plate, a backrest and a compensating mechanism, wherein the backrest is rotationally connected with a rotating rod through a mounting part above the seat cushion supporting plate, the backrest is fixed on the rotating rod, compared with the position of a traditional rotating point below the seat cushion supporting plate, the rotating point of the backrest is lifted, and the distance between the rotating point and the waist rotating point of a human body is shortened, so that the back rubbing sense is reduced.
Description
[ Field of technology ]
The invention relates to the technical field of dental chairs, in particular to a connecting structure for a dental chair backrest.
[ Background Art ]
In the using process of the dental chair, the angle between the backrest and the seat cushion can be adjusted so as to meet the requirement of a doctor for watching teeth; the back rest and the seat cushion are provided with connecting pieces connected with each other, the connecting pieces are provided with rotating points, the back rest and the seat cushion rotate by taking the rotating points as supporting points, the rotating points of the traditional back rest are positioned below the installation of the seat cushion, and the defects that 1, the rotating distance between the rotating points and the waist of a human body is large, the back rest can feel back rubbing when rotating, 2, when the back rest rotates, the mounting plate on the seat cushion can make back and forth compensating movement to drive the seat cushion to move relative to the human body, so that a patient can feel pulled, and when the patient is treated, other physical discomfort can be brought to the patient, the patient cannot feel comfortable treatment, the treatment effect is influenced, and in a total number, the problem that the back rest and the seat cushion can not bring discomfort to the human body when rotating needs to be provided.
[ Invention ]
The invention aims to provide a connecting structure which has high comfort and small back rubbing sense and can play a role in rotation compensation in the rotation process.
In order to achieve the above object, the connecting structure for a dental chair backrest of the present invention comprises a seat cushion supporting plate, a fixing plate, a backrest and a compensation mechanism, wherein one end of the fixing plate is rotatably connected with one end of the seat cushion supporting plate, the other end of the fixing plate is connected with the other end of the seat cushion supporting plate through the compensation mechanism, the compensation mechanism comprises a rotating rod, a first pull rod, a second pull rod and a third pull rod, connecting rods are arranged at two ends of the rotating rod, an upward protruding mounting part is arranged on the seat cushion supporting plate, the rotating rod is rotatably connected with the mounting part through the connecting rods, the backrest is fixed on the rotating rod, one end of the first pull rod is rotatably connected with the connecting rod, the other end of the first pull rod is connected with one end of the second pull rod, the other end of the second pull rod is rotatably connected with the seat cushion supporting plate, and the other end of the third pull rod is rotatably connected with the fixing plate.
Furthermore, the seat cushion support plates are also provided with cross beams, and two ends of each cross beam are respectively fixed on the two seat cushion support plates.
Further, the backrest comprises an arc-shaped part and a flat plate part, one end of the arc-shaped part is fixed on the rotating rod, and the other end of the arc-shaped part is fixedly connected with the flat plate part.
Further, a plurality of mounting holes are formed in the cross beam and used for fixing the seat cushion above the seat cushion supporting plate.
The invention provides a connecting structure for a dental chair backrest, which is rotationally connected with a rotating rod through a mounting part above a seat support plate, wherein the backrest is fixed on the rotating rod, compared with the position of a traditional rotating point below the seat support plate, the position of the rotating point of the connecting structure is higher than that of the traditional rotating point, the rotating point of the backrest is raised, and the distance between the rotating point and the waist rotating point of a human body is shortened, so that the back rubbing sense is reduced.
[ Description of the drawings ]
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of a partial structure of the present invention.
Fig. 3 is a schematic view of another partial structure of the present invention.
[ Detailed description ] of the invention
The following examples are further illustrative and supplementary of the present invention and are not intended to limit the invention in any way.
Example 1
As shown in fig. 1 to 3, a connection structure for a backrest of a dental chair of this embodiment includes a seat cushion support plate 10, a fixing plate 20, a backrest 30, and a compensation mechanism 40, one end of the fixing plate 20 is rotatably connected to one end of the seat cushion support plate 10, the other end is rotatably connected to the other end of the seat cushion support plate 10 through the compensation mechanism 40, the compensation mechanism 40 includes a rotation lever 41, a first pull lever 43, a second pull lever 44, and a third pull lever 45, both ends of the rotation lever 41 are provided with connection rods 42, the seat cushion support plate 10 is provided with an upwardly protruding mounting portion 11, the rotation lever 41 is rotatably connected to the mounting portion 11 through the connection rods 42, the backrest 30 is fixed to the rotation lever 41, one end of the first pull lever 43 is rotatably connected to the connection rods 42, the other end is connected to one end of the second pull lever 44, the other end of the second pull lever 44 is rotatably connected to the seat cushion support plate 10, and one end of the third pull lever 45 is rotatably connected to the second pull lever 44, and the other end is rotatably connected to the fixing plate 20.
Through the installation department 11 and the swivelling lever 41 rotation connection of seat support board 10 top, back 30 is fixed on swivelling lever 41, back 30 regards the tie point of connecting rod 42 and installation department 11 as the pivot and rotates relative seat support board 10, make the contained angle between back 30 and the seat support board 10 change, the rotation point of connection structure rotation point's position is compared to traditional rotation point is located the below of seat support board 10, the rotation point of back 30 is risen, shorten the distance of rotation point and human waist rotation point, thereby reduce the sense of rubbing the back, in addition, when back 30 rotates, seat support board 10 is through compensation mechanism 40 compensation motion, back 30 rises, seat support board 10 rotates down, increase the contained angle of seat support board 10 and back 30, reduce the sense of oppression when little patient is pushed up by back 30, sleep more comfortablely above, can not produce the uncomfortable body, can the treatment of calming the heart.
Example 2
As shown in fig. 1, in the connection structure for a backrest of a dental chair according to this embodiment, two seat cushion support plates 10 are arranged on the dental chair, in order to enhance the stability of the entire seat cushion support plate 10, a cross beam 12 is further arranged on the seat cushion support plate 10, and two ends of the cross beam 12 are respectively fixed on the two seat cushion support plates 10, so that the seat cushion support plates 10 can be effectively fixed on the left seat cushion support plate and the right seat cushion support plate, the stability is enhanced, and meanwhile, the seat cushion can be tiled on the seat cushion support plates, which is helpful for fixing the seat cushion.
Example 3
As shown in fig. 1, in order to increase comfort of a human body, the connection structure for a backrest of a dental chair of the present embodiment reduces a back rubbing feeling generated by adjusting an angle between the backrest 30 and the seat cushion support plate 10, the backrest 30 includes an arc portion 32 and a flat plate portion 31, one end of the arc portion 32 is fixed on the rotation rod 41, the other end is fixedly connected with the flat plate portion 31, and when the backrest 30 moves downward, the arc portion 32 of the backrest 10 is hidden under the seat cushion, and the arc portion 32 conforms to a waist structure of the human body, thereby increasing comfort.
Example 4
As shown in fig. 1, in the connection structure for a backrest of a dental chair according to this embodiment, the cross member 12 is provided with a plurality of mounting holes 13, and the mounting holes 13 are used for fixing a seat cushion above the seat cushion support plate 10.
Although the present invention has been disclosed by the above embodiments, the scope of the present invention is not limited thereto, and modifications, substitutions, etc. made to the above components will fall within the scope of the claims of the present invention without departing from the spirit of the present invention.
Claims (2)
1. A connection structure for a dental chair back, characterized in that: the seat cushion comprises a seat cushion supporting plate (10), a fixing plate (20), a backrest (30) and a compensation mechanism (40), wherein one end of the fixing plate (20) is rotationally connected with one end of the seat cushion supporting plate (10), the other end of the fixing plate is rotationally connected with the other end of the seat cushion supporting plate (10) through the compensation mechanism (40), the compensation mechanism (40) comprises a rotating rod (41), a first pull rod (43), a second pull rod (44) and a third pull rod (45), connecting rods (42) are arranged at two ends of the rotating rod (41), an upward protruding mounting part (11) is arranged on the seat cushion supporting plate (10), the rotating rod (41) is rotationally connected with the mounting part (11) through the connecting rods (42), the backrest (30) is fixed on the rotating rod (41), one end of the first pull rod (43) is rotationally connected with one end of the second pull rod (44), the other end of the second pull rod (44) is rotationally connected with one end of the seat cushion supporting plate (10), and the other end of the third pull rod (45) is rotationally connected with the second pull rod (44) fixedly connected with the other end of the second pull rod (20).
A cross beam (12) is further arranged on the seat cushion supporting plates (10), and two ends of the cross beam (12) are respectively fixed on the two seat cushion supporting plates (10);
The backrest (30) comprises an arc-shaped part (32) and a flat plate part (31), one end of the arc-shaped part (32) is fixed on the rotating rod (41), and the other end of the arc-shaped part is fixedly connected with the flat plate part (31).
2. A connection structure for a dental chair back rest according to claim 1, wherein: the cross beam (12) is provided with a plurality of mounting holes (13), and the mounting holes (13) are used for fixing a seat cushion above the seat cushion supporting plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811274624.7A CN109276402B (en) | 2018-10-30 | 2018-10-30 | Connection structure for dental chair backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811274624.7A CN109276402B (en) | 2018-10-30 | 2018-10-30 | Connection structure for dental chair backrest |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109276402A CN109276402A (en) | 2019-01-29 |
| CN109276402B true CN109276402B (en) | 2024-05-24 |
Family
ID=65174832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811274624.7A Active CN109276402B (en) | 2018-10-30 | 2018-10-30 | Connection structure for dental chair backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109276402B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5628546A (en) * | 1994-04-27 | 1997-05-13 | Dentech Products, Inc. | Dental patient's chair |
| CN200951168Y (en) * | 2006-08-11 | 2007-09-26 | 莫志彬 | Linkage transmission device for dentist's chair |
| CN103735385A (en) * | 2014-01-16 | 2014-04-23 | 咸阳西北医疗器械(集团)有限公司 | Horizontal compensation mechanism used for dental chair |
| CN103976841A (en) * | 2014-05-28 | 2014-08-13 | 上海林戈医疗器械有限公司 | Linked dental chair |
| CN205163541U (en) * | 2015-08-31 | 2016-04-20 | 山东新华医疗器械股份有限公司 | Backrest link gear |
| EP3165207A1 (en) * | 2015-11-05 | 2017-05-10 | Cefla Societa' Cooperativa | Dental patient chair |
| CN206182767U (en) * | 2016-08-23 | 2017-05-24 | 浙江博泰家具有限公司 | But zero rubs deck chair frame that back of body body is felt with hands |
| CN108042309A (en) * | 2017-12-22 | 2018-05-18 | 佛山市中创医疗器械有限公司 | A kind of high turning point dental multipurpose therapy unit |
| CN209270222U (en) * | 2018-10-30 | 2019-08-20 | 佛山市新格医疗器材有限公司 | A kind of connection structure for dentistry chair back |
-
2018
- 2018-10-30 CN CN201811274624.7A patent/CN109276402B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5628546A (en) * | 1994-04-27 | 1997-05-13 | Dentech Products, Inc. | Dental patient's chair |
| CN200951168Y (en) * | 2006-08-11 | 2007-09-26 | 莫志彬 | Linkage transmission device for dentist's chair |
| CN103735385A (en) * | 2014-01-16 | 2014-04-23 | 咸阳西北医疗器械(集团)有限公司 | Horizontal compensation mechanism used for dental chair |
| CN103976841A (en) * | 2014-05-28 | 2014-08-13 | 上海林戈医疗器械有限公司 | Linked dental chair |
| CN205163541U (en) * | 2015-08-31 | 2016-04-20 | 山东新华医疗器械股份有限公司 | Backrest link gear |
| EP3165207A1 (en) * | 2015-11-05 | 2017-05-10 | Cefla Societa' Cooperativa | Dental patient chair |
| CN206182767U (en) * | 2016-08-23 | 2017-05-24 | 浙江博泰家具有限公司 | But zero rubs deck chair frame that back of body body is felt with hands |
| CN108042309A (en) * | 2017-12-22 | 2018-05-18 | 佛山市中创医疗器械有限公司 | A kind of high turning point dental multipurpose therapy unit |
| CN209270222U (en) * | 2018-10-30 | 2019-08-20 | 佛山市新格医疗器材有限公司 | A kind of connection structure for dentistry chair back |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109276402A (en) | 2019-01-29 |
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