CN85104336A - Dental treating chair - Google Patents
Dental treating chair Download PDFInfo
- Publication number
- CN85104336A CN85104336A CN85104336.4A CN85104336A CN85104336A CN 85104336 A CN85104336 A CN 85104336A CN 85104336 A CN85104336 A CN 85104336A CN 85104336 A CN85104336 A CN 85104336A
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- CN
- China
- Prior art keywords
- connecting rod
- backrest
- pin
- chair
- medicated cushion
- 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.)
- Expired - Lifetime
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- Accommodation For Nursing Or Treatment Tables (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
Dental treating chair comprises medicated cushion, is added in the tiltable backrest on the medicated cushion, and the operating mechanism of inclination backrest.Can keep the instrument table of horizontal lifting in addition when backrest inclination, instrument table is to be connected on the backrest by the longitudinal axis and back shaft, and can rotate freely on horizontal plane.Utilize this structure, no matter how backrest tilts, the dentist can be positioned at the position that can conveniently take therapeutic device, and can face instrument table.
Description
The present invention relates to dental treating chair.
As everyone knows, in dental treatment, be necessary to adjust at any time movable dental chair and place various treatment tools, the treatment table of medicine and dental instruments is so that patient's mouth and dentist's surgery location is corresponding.
This treatment table comprises a dental chair, and a standard care platform that can move up and down is housed on the chair back.Simultaneously, this treatment table also comprises a last support formula standard care platform by arm-type stent support, support be installed in the lateral cradling piece of dental chair and be connected, or fixing without leave on the wall.
This dental treating chair that the standard care platform is housed only limits to usage level formula dental chair, structurally obviously can not be adapted to the tiltable treatment table of backrest.In addition, can vertically adjust though last support formula standard is controlled platform, it can not make the patient that comfort is arranged.Because arm-type support is positioned at the top that is sitting in patient's one side on the chair, hinder patient's dental chair up and down.
The objective of the invention is to address the above problem.And the objective of the invention is to realize that by a kind of particular structure instrument table is wherein arranged, it can vertically move, also can be when backrest inclination, and the along continuous straight runs interlock keeps level simultaneously.
Referring to accompanying drawing, describe embodiments of the invention below in detail.
Accompanying drawing is briefly described as follows:
Fig. 1 is the axial cutaway view of most preferred embodiment of the present invention.
Fig. 2 is the plane graph of embodiment among Fig. 1.
Fig. 3 and Fig. 4 are respectively the axial cutaway views of other embodiment of the present invention.
Describe the present invention below in detail:
Dental treating chair A of the present invention comprises medicated cushion a, the backrest b that tilts of medicated cushion a safety relatively, the manipulation device c that backrest b is tilted.
Treatment table A comprises instrument table 1.Connecting rod 25 is housed in instrument table 1,25 can rotate with respect to backrest b by pin 23, so that remain constant inclination angle a with the axis of connecting rod 25, even when backrest inclination, also remain unchanged, by the longitudinal axis 11, horizontal rotating arm 13 is connected on the connecting rod 25, and the instrument table 1 of turning arm 13 1 ends can be rotated in horizontal plane around back shaft 12.Like this, even when backrest b tilts, treatment table 1 also can keep level, make the dentist can select suitable position to take various dental tools on the treatment table, and all the time in the position that regards to instrument table, among Fig. 1, the bottom of backrest b is the framework a that is contained in medicated cushion a by lateral shaft 21
1Rearward end.
One end of connecting rod 26 is to be connected on the round end of connecting rod 25 by bearing pin 24, and 26 the other end is connected cushion frame a by bearing pin 22
1The rear end on.
Length of connecting rod l between the bearing pin 23 and 24
1And the equal in length between transverse axis 21 and the bearing pin 22, and two length section l
1And l
2Be parallel, substantially parallel linkage 2 comprises connecting rod 25 and 26, framework a and shake frame b.
Among Fig. 2, on one side, be fixed on the upwards swing arm 26 in the parallel linkage 2 from shaking the horizontal arm 27 that frame b stretches out.The turning arm 13 that can horizontally rotate is connected by the trunnion axis on the arm 27 11.Another turning arm 14 of support level treatment table 1 is by the end rotation of support member 12 around turning arm 13.
And as can be seen from Figure 1, backrest b is by the piston rod c on the ram pot c
1An end support.(handling the device of backrest inclination) ram pot C is contained in the side of medicated cushion a, and its installation method is, as piston rod C
1When putting in and pulling out a tin C, backrest b can tilt around lateral shaft 21.
Like this, when operating mechanism C work and parallel linkage 2 actions, backrest b medicated cushion a relatively tilts.The angle of incidence a of connecting rod 25 remains unchanged, and keeps instrument table 1 level of levels by connecting rod 25, is kept the instrument table 1 of levels to raise when keeping level or is reduced by connecting rod 25.
The relation of the upper-lower position of instrument table 1 and headrest d depends in the parallel linkage 2 position of connecting rod 25 and backrest b angle of incidence.And, do not hindering other parts that are installed among the backrest b, to adorn connecting rod 25 highly as much as possible during installing apparatus platform 1, backrest b is when lifting like this, and instrument table can be near as much as possible from headrest d.Instrument table 1 even can exceed seat, so better dental instruments and medicine (not shown) are put thereon also has hook 15 in a side of instrument table 1, in order to hang various apparatus (not shown).
In the above on the dental treating chair A of Miao Shuing, even backrest b be corresponding from horizontal level to lifting the position, or from lifting the position to horizontal level, instrument table 1 all is by the horizontal arm 27 and the horizontal rotating arm 13 maintenance levels that are fixed on the connecting rod 25, because the angle of incidence a of connecting rod 25 always remains unchanged.Like this, when backrest b to rising to when lifting the position, treatment table 1 also upwards rises automatically, and when backrest b shifts to horizontal level, platform 1 also moves down automatically, this can make instrument table 1 relatively headrest respectively highly all keep horizontal level.
In addition, treatment table 1 rotates along horizontal plane by the longitudinal axis 11 and back shaft.So, when turning down backrest b, make patient when horizontal level is received treatment, patient keeps flat-hand position, the dentist can be placed on place at hand to instrument table easily, or mobile cursor 13 or the swing horizontal arm 14 instrument table 1 is pushed open.Even when rising backrest b, make patient in the position that makes progress, on medicated cushion a, keep sitting posture to receive treatment, the relative patient's of doctor position, from and one (as if 12 time, position one doctor of minute hand and hour hands stands in the patient head rear), stand to separating 45 that (doctor stands in the patient right side, as clock and watch minute hand and hour hands position at 9) or opposite situation, also can obtain foregoing effect.
In addition, even according to the treatment classification, the doctor for adapt to patient upwards and recumbent posture change his surgery location and posture, relative patient's dental instrument platform 1 also can keep same level height, it is relative with the doctor also to be placed in appropriate position at an easy rate.In addition, as the instrument in the needs use instrument table, medicine and the dental instruments that is suspended on the hook 15, the doctor does not need to move and knee, can accomplish like a dream.Like this, can make the doctor improve therapeutic efficiency, and lessen fatigue greatly.
Have, because there is not the common arm-type support that places the patient top, so instrument table of the present invention also has the another one advantage, patient does not have uncomfortable feeling again.Can accomplish comfortable treatment.
Subsidiary saying has footstalk 121 on the back shaft of turning arm 13 and horizontal rotating arm 14 armshafts.This footstalk uses when needing the height up and down of fine adjustment apparatus platform 1.
Fig. 3 represents the optimum state of another embodiment of the present invention.
Two long connecting rods such as grade 201 axially are connected with 2021 by pin 2011 respectively with 202.Between the pin 2011 and 2021.Length equals l
3The connecting rod 203 of section, axially be connected with 202 lower end with connecting rod 201 with 2032 by pin 2031, below medicated cushion a, add connecting rod 202 and 203, and the common end that constitutes parallel linkage 200 connecting rods 211 of frame structure pad a, axially be connected by the swinging end of pin 24 with connecting rod 25, and connecting rod 26 ' the other end axially be connected by the end of pin 2031 with connecting rod 201 and connecting rod 203, with connecting rod 25,26 on the backrest b ', 203 and backrest b common constitute substantially parallel linkage 2 '.Connecting rod 203 connects two parallel linkages 2 ' and 200 again, constitutes two-way parallel linkage 20.
Have groove 3 on the side of backrest b.Be fixed on the framework a of medicated cushion
1 Transverse axis 21 on the rear end is to slide to be fixed in the groove 3, the relative medicated cushion a of backrest b is tilted, and the inclination of backrest b is to finish by the action of manipulation device C and double connecting rod 20.And be that transverse axis 21 keeps flatly jointly controlling with instrument table 1 vertical lift along groove 3 slips.
The operating mechanism of ram pot C(inclination backrest) be installed in the bottom of medicated cushion a, and the tailpiece of the piston rod C of ram pot C
1Axially be connected on the connecting rod 202, constitute parallel linkage 200.Piston rod C on ram pot
1During action, the slip of the transverse axis 21 in the corresponding groove, double connecting rod 20 tilts backrest b.
Because keeping the connecting rod 25 of instrument table 1 is not only parallel l
3Section, and it is fixed on the medicated cushion a simultaneously.So the angle of incidence of connecting rod 25 is constant all the time when backrest b tilts.
In addition, as above chat face to face and state, by average turning arm 13, horizontal rotating arm 14, the instrument table 1 of the longitudinal axis 11 and back shaft 12 maintenance levels can move up and down, and also can move freely in horizontal plane in the maintenance level, even also like this when backrest b tilts.
In first embodiment, because backrest b rotates around transverse axis 21, can form the inclination center of chair (around transverse axis 21), prevent to be positioned at the insensitive patient of the inclination to backrest b on the backrest b.Produce the unexpected slip of back with respect to backrest b.In addition, as handrail, but patient takes a seat or when medicated cushion a stands up, also be in the way sometimes the transverse axis 21 that stretches out medicated cushion a.
The structure of second embodiment is such, exteriorly, during ram pot C action, double connecting rod 2 ' and 200 also actions, and slide along groove 3 in medicated cushion a rear portion, in other words, double connecting rod 20 and the seat center that do not tilt itself, and the low side of backrest b is when rising, good as if lift from chair cushion a bottom and downward-sloping down when it, it seems to fall also lowlyer than medicated cushion a.As a result, this method of tilting that slides through between patient's back and the backrest b obtains balance.And without any the outstanding medicated cushion a surface of object.Like this, second embodiment is better than first embodiment as a treatment chair on function.
Say again, also can make groove 3 on one side that the arcuate groove of flexural center is arranged at seat, like this can be at an easy rate with the motion inclination backrest b of patient's back.
Fig. 4 is an another embodiment of the present invention, but does not wherein have the parallel linkage 2 among first embodiment.Operating mechanism 4 is different, promptly is connected ram pot on the connecting rod 25 and is the bottom that is contained in backrest b, and operating mechanism 4 makes the inclination angle of operating mechanism C of the relative backrest b that can tilt on the connecting rod 25 constant.As piston C
1During reciprocating motion, ram pot 4 is used for making angle of incidence a to remain unchanged, and causes ram pot 4 can make inclination backrest b and ram pot C interlock.Like this, by horizontal rotating arm 13, the longitudinal axis 11 and back shaft 12 keep the instrument table 1 of level to be able to the maintenance level, and move up and down in horizontal plane simultaneously, and can freely rotate, even also like this when backrest b tilts.Correspondingly instrument table also is same as front description and diagrammatic other embodiment on the function of mode of the same race.
Also have, in the above among the embodiment of Miao Shuing, parallel linkage 2 and 2 ', perhaps hydraulic actuator 4 all is assembled among the backrest b.Also can be installed in these assemblies the side of backrest b, make them have same function.Making the operating mechanism C of backrest inclination among the expression embodiment is hydraulic actuator, should be understood that normally used operating mechanism of people such as combined engine, and axle and cylinder also can use.
As mentioned above, in dental treating chair of the present invention, even the doctor changes his treatment position or posture according to the inclination of backrest, instrument table all can not only keep level. Automatically move on to by patient's the oral cavity, but also can move on to the position of being convenient to doctor's operation. As a result, the doctor does not need to go down on one's knees or bends to adapt to the therapeutic state of back tilting. And more can take at an easy rate instrument, medicine and all kinds of therapeutic device on the instrument table.
Like this, the doctor can treat very smoothly, also can avoid tired. In addition, patient can not have uncomfortable sensation yet and realizes cosily receiving treatment. As mentioned above, according to the present invention, it is very practical to use this instrument table to have, the plurality of advantages such as high efficiency.
Claims (5)
1, dental treating chair comprises chair, the backrest that relative chair can tilt safely, first operating mechanism that back is tilted.Above-mentioned chair comprises an instrument table, has the relative chair back can be at the first connecting rod of vertical plane internal rotation on it, and with first dowel fixes on the chair back, even when backrest inclination, always the angle of incidence on the first connecting rod axis also remains unchanged.Can be connected horizontal rotating arm on the first connecting rod by the longitudinal axis like this, flatly set up rotatable table top around back shaft at an end of turning arm.Therefore, even when backrest inclination, table top also can keep level, the dentist can be in from table top take making things convenient for the position and turning to the dentist to table top of dental tool.
2, dental treating chair according to claim 1, wherein the bottom of above-mentioned backrest is connected the framework bottom of chair with transverse axis, and an end of second connecting rod axially is connected on the swinging end of first connecting rod with pin, and the other end of second connecting rod is to do axial support by the 3rd pin by the back-end framework of medicated cushion, first gap length of first pin and second pin equals second segment length between transverse axis and the 3rd pin, and maintenance level, can constitute and comprise first connecting rod, the substantially parallel first connecting rod mechanism of framework and backrest, its motion mode is, the inclination of the relative medicated cushion of backrest is that the common actions of operating mechanism and maintenance level by the inclination backrest first parallel linkage that can move up and down instrument table realizes.
3, dental treating chair according to claim 1, wherein the third and fourth isometric connecting rod is respectively by the 4th mutually, the 5th pin axially connects, and length and the 4th, the 5th connecting rod that the 5th pin spacing section equates is limited between third and fourth connecting rod, and axially couple together by pin 6 and 7, constitute and comprise the 3rd, the 4th, the 5th connecting rod and medicated cushion lower frame, substantially parallel second connecting rod mechanism, and an end of the connecting rod in the connecting rod is the swinging end that axially is connected first connecting rod by the 2nd pin, the other end of seven-link assembly is coupling on an end of the lower end of third connecting rod and the 5th connecting rod by the 6th pin.Constituted like this and comprised first, the, backrest on the 5th connecting rod and the chair back, substantially parallel third connecting rod mechanism, its motion mode is, the 3rd and the second connecting rod mechanism that are parallel to each other, be connected by the 5th connecting rod, constitute two-way parallel linkage, and also on backrest one side, have groove, transverse axis is fixed on the framework at medicated cushion rear portion, and can in groove, slide, make backrest relatively medicated cushion tilt, and at the operating mechanism of inclination backrest with double connecting rod and under the common control of the relative groove action of transverse axis, when keeping table-surface level, make the oscilaltion of instrument table energy.
4, dental treating chair according to claim 1, wherein second operating mechanism that links to each other with first connecting rod mechanism is mounted in the medicated cushion, above-mentioned second operating mechanism is to regulate like this, make it to match, so that the angle of incidence on the first connecting rod remains unchanged with first operating mechanism of the backrest that tilts.
5, according to claim 1,2,3 or 4 described dental treating chairs, above-mentioned is equipped with the hook that can hang various dental instruments.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85104336.4A CN1003349B (en) | 1985-06-08 | 1985-06-08 | Dental treating chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85104336.4A CN1003349B (en) | 1985-06-08 | 1985-06-08 | Dental treating chair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN85104336A true CN85104336A (en) | 1986-12-10 |
| CN1003349B CN1003349B (en) | 1989-02-22 |
Family
ID=4793778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN85104336.4A Expired CN1003349B (en) | 1985-06-08 | 1985-06-08 | Dental treating chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1003349B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101043833B (en) * | 2004-08-26 | 2010-05-12 | L&P资产管理公司 | Linkage mechanism for use in motion furniture |
| CN101237792B (en) * | 2005-08-04 | 2011-01-12 | 宜嘉牙科设备公司 | A chair or a bed having a seat, a backrest and an armrest as well as use thereof |
| CN104720316A (en) * | 2015-04-10 | 2015-06-24 | 赵辰宇 | Integral school table for self-shaping and study |
| CN105962666A (en) * | 2016-05-23 | 2016-09-28 | 太仓东泰精密机械有限公司 | Multifunctional seat for motor home |
-
1985
- 1985-06-08 CN CN85104336.4A patent/CN1003349B/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101043833B (en) * | 2004-08-26 | 2010-05-12 | L&P资产管理公司 | Linkage mechanism for use in motion furniture |
| CN101237792B (en) * | 2005-08-04 | 2011-01-12 | 宜嘉牙科设备公司 | A chair or a bed having a seat, a backrest and an armrest as well as use thereof |
| CN104720316A (en) * | 2015-04-10 | 2015-06-24 | 赵辰宇 | Integral school table for self-shaping and study |
| CN105962666A (en) * | 2016-05-23 | 2016-09-28 | 太仓东泰精密机械有限公司 | Multifunctional seat for motor home |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1003349B (en) | 1989-02-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |