CN105616099A - Intelligent medical chair allowing angle of backrest to be adjusted - Google Patents
Intelligent medical chair allowing angle of backrest to be adjusted Download PDFInfo
- Publication number
- CN105616099A CN105616099A CN201510991983.4A CN201510991983A CN105616099A CN 105616099 A CN105616099 A CN 105616099A CN 201510991983 A CN201510991983 A CN 201510991983A CN 105616099 A CN105616099 A CN 105616099A
- Authority
- CN
- China
- Prior art keywords
- backrest
- slide
- gear
- guide rod
- 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.)
- Pending
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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
- A61G15/02—Chairs with means to adjust position of patient; Controls therefor
-
- 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
Abstract
The invention provides an intelligent medical chair allowing the angle of a backrest to be adjusted. The intelligent medical chair comprises a backrest assembly (3) and a base assembly (4). The backrest assembly (3) comprises a backrest bottom plate (31) and a backrest panel (421) connected with the backrest bottom plate (31) through a backrest spring (43). The backrest bottom plate (31) and the backrest panel (421) are supported on a fixing shaft (41) on a base support (40) in a rotating mode through a bottom plate drive gear (311) and a panel drive gear (42). The bottom plate drive gear (311) is engaged with a power adjusting gear (37) coaxially connected with a worm wheel (371) and driven by the power adjusting gear in a power mode. The worm wheel (371) is engaged with a worm (372) in power connection with a motor and driven by the worm in a power mode.
Description
Technical field
The present invention relates to medical machinery field, the intelligent medical chair that especially a kind of backrest angle is adjustable.
Background technology
In the medical field, often need to use some treatment chairs, the operation chair of such as some dentistry or ophthalmology etc. The backrest angle of these medical chairs often needs adjustable flexibly, with the angle that is adapted in therapeutic process and position adjustment needs.
In some current medical chairs, the adjustment of backrest angle is often through power wheel drive, and such as motor drives, and realizes. But, in the process used, the therapentic part of patient is slowly adjusted with often needing manual setting, to meet doctor's operation technique over the course for the treatment of or to observe needs. This needs to be provided with manual setting function what power adjusted simultaneously. Therefore, in power adjustment with the power system compatibility of manual setting and arranging of being independent of each other, often arrange to the structure of whole medical chair and transmission and bring difficulty. And too intricately arranges multiple independent system and easily increases manufacturing cost, and increase the difficulty of follow-up maintenance.
Summary of the invention
It is an object of the invention to provide the intelligent medical chair that a kind of backrest angle is adjustable, it can overcome defect of the prior art.
The intelligent medical chair that a kind of backrest angle according to the present invention is adjustable, comprise backrest module and base assembly, the back panel that described backrest module is comprised backrest base plate and is connected with described backrest base plate by backrest spring, described backrest base plate and back panel are rotatably supported on the stationary shaft on base support by backplane drive gear and panel driving gear respectively, described backplane drive gear by be coaxially connected with worm gear power adjustment gears meshing and power wheel drive, described worm gear by the worm meshing connected with motor power and power wheel drive; described panel driving gear is engaged by the tooth-strip part on the upper side of inner thread sleeve and drives, described inner thread sleeve coordinates with the screw flight being connected with manual setting wheel and is driven by it and can move left and right in the chute on movable slide, described screw rod is rotatably mounted on described movable slide by the bearing assembly of described movable slide end, described movable slide can slide up and down in the slip cavity of described base support bottom and and be provided with between described base support top pressure base spring, the other end place of described movable slide is provided integrally with vertical driving part, the upper end of described vertical driving part is provided with through hole and to be slidably matched with the driving cross bar on the tooth bar slide block that also can drive by described power adjustment gears meshing thus slide up and down on vertical guide rod thus drives up and down by described tooth bar slide block, described movable slide is thus made to slide up or down to make described tooth-strip part contact engagement with described panel driving gear or depart from engagement respectively in described slip cavity, wherein, the lower end of described vertical guide rod can slide and is provided with the salient stretched out towards described vertical driving part in left and right in the guide rod chute on described base support, the lower end of described vertical guide rod thus makes described salient top be pressed on the side of described vertical driving part in the side relative with described salient by the guide rod top pressure spring top pressure being pressed on described base support, the described side of described vertical driving part is also provided with inclined plane groove in order to engage with the wedge-shaped part of described salient end when described movable slide is moved down into and makes described tooth-strip part depart from engage with described panel driving gear, and make described vertical guide rod drive described tooth bar slide block to move towards described vertical driving part upon engagement so that the tooth bar of described tooth bar slide block engages with the adjustment gear disengaging of described power, described guide rod chute inside is provided with slide rail, described slide rail is provided with the cylinder being convenient to slide, it is slidably connected with the cylinder on described slide rail bottom described vertical guide rod, described slide rail is in order to reduce described vertical guide rod frictional force, improve described medical chair work-ing life, the inner left and right sides of chute on described slide is equipped with limit sensors, described base support left side top is provided with LED warning lamp, described limit sensors and described LED warning lamp Electricity Federation, when described inner thread sleeve touches described limit sensors after moving left and right the excess of stroke, now described limit sensors sends signal, and control described LED warning lamp and give the alarm.
Pass through such scheme, the screw drive assembly utilizing manual runner to drive owing to being provided with, it can make rack member move left and right, thus drives the change in angular position of the panel backrest of backrest, thus can utilize the angle position manually and accurately controlling backrest and pace of change. And, utilize the rack tube cartridge unit that can engage and can depart from driving pinion(gear), it can make the inner thread sleeve of described manual actuation band tooth bar move downward and depart from engaging of the driving gear with back panel in the starting stage that power adjustment drives, so that do not affect the stationary state of adjustment handwheel during power wheel drive adjustment backrest angle or be not subject to the interference of this adjustment handwheel; And after the tooth bar associated by handwheel and respective gears disengage, made by the recess of setting on vertical portion power wheel drive gear and tooth bar slide block depart from and engage, so that tooth bar slide block does not affect the operation of described power wheel drive gear.
The propulsion source (motor) adjusting backrest angle by power due to the tooth bar of manual association and the control engaged/disengage of gear drives in the lump, thus reduces equipment cost and is convenient to maintenance of the equipment. Whole medical chair is stable reliably easy and simple to handle.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of the adjustable intelligent medical chair of a kind of backrest angle of the present invention.
Embodiment
Below in conjunction with Fig. 1, the present invention is described in detail.
The intelligent medical chair that backrest angle according to embodiment is adjustable, comprise backrest module 3 and base assembly 4, the back panel 421 that described backrest module 3 is comprised backrest base plate 31 and is connected with described backrest base plate 31 by backrest spring 43, described backrest base plate 31 and back panel 421 are rotatably supported on the stationary shaft 41 on base support 40 by backplane drive gear 311 and panel driving gear 42 respectively, described backplane drive gear 311 is engaged and power wheel drive by the power adjustment gear 37 being coaxially connected with worm gear 371, described worm gear 371 is engaged and power wheel drive by the worm screw 372 connected with motor power, described panel driving gear 42 is engaged by the tooth-strip part on the upper side of inner thread sleeve 38 and drives, described inner thread sleeve 38 is with screw rod 45 thread fit being connected with manual setting wheel 451 and is driven by it and can move left and right in the chute on movable slide 39, described screw rod 45 is rotatably mounted on described movable slide 39 by the bearing assembly 450 of described movable slide 39 end, described movable slide 39 can slide up and down in the slip cavity 400 of described base support 40 bottom and and be provided with between described base support 40 top pressure base spring 30, the other end place of described movable slide 39 is provided integrally with vertical driving part 34, the upper end of described vertical driving part 34 be provided with through hole with can adjust gear 37 by described power and engage and drive thus driving cross bar 331 on the tooth bar slide block 33 that slides up and down on vertical guide rod 35 is slidably matched thus drives by described tooth bar slide block about 33, described movable slide 39 is thus made to slide up or down to make described tooth-strip part contact engagement with described panel driving gear 42 or depart from engagement respectively in described slip cavity 400, wherein, the lower end of described vertical guide rod 35 can slide and is provided with the salient 351 stretched out towards described vertical driving part 34 in left and right in the guide rod chute 350 on described base support 40, the lower end of described vertical guide rod 35 pushes up pressure in the side relative with described salient 351 by the guide rod top pressure spring 36 being pressed on described base support 40 and thus makes described salient 351 top be pressed on the side of described vertical driving part 34, the described side of described vertical driving part 34 is also provided with inclined plane groove 341 in order to engage with the wedge-shaped part of described salient 351 end when described movable slide 39 is moved down into and makes described tooth-strip part depart from engage with described panel driving gear 42, and make described vertical guide rod 35 drive described tooth bar slide block 33 to move towards described vertical driving part 34 upon engagement so that the tooth bar of described tooth bar slide block 33 engages with adjustment gear 37 disengaging of described power, described guide rod chute 350 inside is provided with slide rail 352, described slide rail 352 is provided with the cylinder being convenient to slide, it is slidably connected with the cylinder on described slide rail 352 bottom described vertical guide rod 35, described slide rail 352 is in order to reduce described vertical guide rod 35 frictional force, improve described medical chair work-ing life, the inner left and right sides of chute on described slide 39 is equipped with limit sensors 9301, described base support 40 left side top is provided with LED warning lamp 4001, described limit sensors 9301 and described LED warning lamp 4001 Electricity Federation, when described inner thread sleeve 38 touches described limit sensors 9301 after moving left and right the excess of stroke, now described limit sensors 9301 sends signal, and control described LED warning lamp 4001 and give the alarm.
Having beneficially, wherein, described backrest base plate 31 is for using when coarse adjustment backrest angle, and described back panel 421 is for using when accurate adjustment backrest angle.
Having beneficially, wherein, described manual setting wheel 451 is upwards pulled when described tooth-strip part is engaged again with described backplane drive gear 311, electricity under described motor, and the tooth bar of described tooth bar slide block 33 engages again with described power adjustment gear 37.
The screw drive assembly utilizing manual runner to drive owing to being provided with, it can make rack member move left and right, thus drives the change in angular position of the panel backrest of backrest, thus can utilize the angle position manually and accurately controlling backrest and pace of change. And, utilize the rack tube cartridge unit that can engage and can depart from driving pinion(gear), it can make the inner thread sleeve of described manual actuation band tooth bar move downward and depart from engaging of the driving gear with back panel in the starting stage that power adjustment drives, so that do not affect the stationary state of adjustment handwheel during power wheel drive adjustment backrest angle or be not subject to the interference of this adjustment handwheel; And after the tooth bar associated by handwheel and respective gears disengage, made by the recess of setting on vertical portion power wheel drive gear and tooth bar slide block depart from and engage, so that tooth bar slide block does not affect the operation of described power wheel drive gear.
By with upper type, the technician of this area can make various change according to operating mode within the scope of the invention.
Claims (3)
1. the intelligent medical chair that a backrest angle is adjustable, comprise backrest module (3) and base assembly (4), the back panel (421) that described backrest module (3) is comprised backrest base plate (31) and is connected with described backrest base plate (31) by backrest spring (43), described backrest base plate (31) and back panel (421) are rotatably supported on the stationary shaft (41) on base support (40) by backplane drive gear (311) and panel driving gear (42) respectively, described backplane drive gear (311) is by power adjustment gear (37) the engagement also power wheel drive that be connected coaxial with worm gear (371), described worm gear (371) is engaged and power wheel drive by the worm screw (372) connected with motor power, described panel driving gear (42) is engaged by the tooth-strip part on the upper side of inner thread sleeve (38) and is driven, described inner thread sleeve (38) is with screw rod (45) thread fit being connected with manual setting wheel (451) and is driven by it and can move left and right in the chute on movable slide (39), described screw rod (45) is rotatably mounted on described movable slide (39) by the bearing assembly (450) of described movable slide (39) end, described movable slide (39) can slide up and down in the slip cavity (400) of described base support (40) bottom and and be provided with between described base support (40) top pressure base spring (30), the other end place of described movable slide (39) is provided integrally with vertical driving part (34), the upper end of described vertical driving part (34) be provided with through hole with can adjust gear (37) by described power and engage and drive thus driving cross bar (331) on the tooth bar slide block (33) that slides up and down on vertical guide rod (35) is slidably matched thus drives up and down by described tooth bar slide block (33), described movable slide (39) is thus made to slide up or down to make described tooth-strip part contact engagement with described panel driving gear (42) or depart from engagement respectively in described slip cavity (400), wherein, the lower end of described vertical guide rod (35) can slide and is provided with the salient (351) stretched out towards described vertical driving part (34) in left and right in guide rod chute (350) on described base support (40), the lower end of described vertical guide rod (35) thus makes described salient (351) top be pressed on the side of described vertical driving part (34) in the side relative with described salient (351) by guide rod top pressure spring (36) the top pressure being pressed on described base support (40), the described side of described vertical driving part (34) is also provided with inclined plane groove (341) in order to engage with the wedge-shaped part of described salient (351) end when described movable slide (39) is moved down into and makes described tooth-strip part depart from engage with described panel driving gear (42), and make described vertical guide rod (35) drive described tooth bar slide block (33) mobile so that the tooth bar of described tooth bar slide block (33) engages with described power adjustment gear (37) disengaging towards described vertical driving part (34) upon engagement, described guide rod chute (350) inside is provided with slide rail (352), described slide rail (352) is provided with the cylinder being convenient to slide, described vertical guide rod (35) bottom is slidably connected with the cylinder on described slide rail (352), described slide rail (352) is in order to reduce described vertical guide rod (35) frictional force, improve described medical chair work-ing life, the inner left and right sides of chute on described slide (39) is equipped with limit sensors (9301), described base support (40) left side top is provided with LED warning lamp (4001), described limit sensors (9301) and described LED warning lamp (4001) Electricity Federation, when described inner thread sleeve (38) touches described limit sensors (9301) after moving left and right the excess of stroke, now described limit sensors (9301) sends signal, and control described LED warning lamp (4001) and give the alarm.
2. the intelligent medical chair that backrest angle as claimed in claim 1 is adjustable, wherein, described backrest base plate (31) is for using when coarse adjustment backrest angle, and described back panel (421) is for using when accurate adjustment backrest angle.
3. the intelligent medical chair that backrest angle as claimed in claim 1 or 2 is adjustable, wherein, described manual setting wheel (451) is upwards pulled when described tooth-strip part is engaged again with described backplane drive gear (311), electricity under described motor, and the tooth bar of described tooth bar slide block (33) engages again with described power adjustment gear (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510991983.4A CN105616099A (en) | 2015-12-25 | 2015-12-25 | Intelligent medical chair allowing angle of backrest to be adjusted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510991983.4A CN105616099A (en) | 2015-12-25 | 2015-12-25 | Intelligent medical chair allowing angle of backrest to be adjusted |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105616099A true CN105616099A (en) | 2016-06-01 |
Family
ID=56031735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510991983.4A Pending CN105616099A (en) | 2015-12-25 | 2015-12-25 | Intelligent medical chair allowing angle of backrest to be adjusted |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105616099A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107693293A (en) * | 2017-08-02 | 2018-02-16 | 杨文龙 | A kind of ophthalmologic operation servicing unit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202152018U (en) * | 2011-08-12 | 2012-02-29 | 沈阳延锋江森座椅有限责任公司 | Chair adjusting mechanism with mechanical and electrical separation function |
| CN204050190U (en) * | 2014-09-04 | 2014-12-31 | 王昕荣 | The gynaecological examination chair that a kind of backrest slope is adjustable |
| WO2015095221A2 (en) * | 2013-12-16 | 2015-06-25 | Mulhern James P | Elevated height wheelchair |
| CN104873288A (en) * | 2015-04-10 | 2015-09-02 | 毛静 | Portable folding oral treatment device |
-
2015
- 2015-12-25 CN CN201510991983.4A patent/CN105616099A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202152018U (en) * | 2011-08-12 | 2012-02-29 | 沈阳延锋江森座椅有限责任公司 | Chair adjusting mechanism with mechanical and electrical separation function |
| WO2015095221A2 (en) * | 2013-12-16 | 2015-06-25 | Mulhern James P | Elevated height wheelchair |
| CN204050190U (en) * | 2014-09-04 | 2014-12-31 | 王昕荣 | The gynaecological examination chair that a kind of backrest slope is adjustable |
| CN104873288A (en) * | 2015-04-10 | 2015-09-02 | 毛静 | Portable folding oral treatment device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107693293A (en) * | 2017-08-02 | 2018-02-16 | 杨文龙 | A kind of ophthalmologic operation servicing unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liang Qunqing Inventor before: Chen Jian |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180117 Address after: No. 220 post Qing Road, Lishui, Zhejiang Province, Zhejiang Applicant after: Liang Qunqing Address before: No. 220 post Qing Road, Lishui, Zhejiang Province, Zhejiang Applicant before: Chen Jian |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160601 |