CN105146944A - Electric chair for old people - Google Patents
Electric chair for old people Download PDFInfo
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- CN105146944A CN105146944A CN201510452057.XA CN201510452057A CN105146944A CN 105146944 A CN105146944 A CN 105146944A CN 201510452057 A CN201510452057 A CN 201510452057A CN 105146944 A CN105146944 A CN 105146944A
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- connecting rod
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- leg rest
- backrest
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Abstract
The invention discloses an electric chair for old people; the electric chair comprises a base frame, wherein foot rest lifting mechanisms, a backrest tipping mechanism, auxiliary standing mechanisms, seat cushion lifting mechanisms and a link transmission mechanism are arranged on the base frame; the auxiliary standing mechanisms are arranged on two sides of the base frame; each auxiliary standing mechanism is provided with a set of the seat cushion lifting mechanism; each set of the seat cushion lifting mechanism is provided with a set of the foot rest lifting mechanism; and the link transmission mechanism is connected to the foot rest lifting mechanisms and the backrest tipping mechanism. The electric chair disclosed by the invention has the following beneficial effects: on the basis of meeting independent movements of foot rest and backrest and guaranteeing auxiliary standing, the electric chair has the advantages of being simple in structure, light in weight, easy in manufacturing, low in cost, safe and reliable, convenient in operation and the like.
Description
Technical field
The present invention relates to a kind of electronic old-man chair.
Background technology
The elderly with advancing age, physiological function falls into a decline, visual impairment, sense of taste sense of smell are insensitive, coordination is deteriorated, thinking ability declines, bone fragility increases, a lot of inconvenience that caused the elderly to occur in life, a electronic old-man chair can in conjunction with needed for old man, plastic simplicity, safety, operation is convenient, is conducive to the elderly and arbitrarily sits up.In addition, along with the development of Chinese society economic structure and perfect, specially for the elderly's product research also will more and more pay close attention to by society, there is large market prospect, therefore, the electronic old-man chair of a the elderly's of meeting health and physiological requirement has very large meaning.
Summary of the invention
The complex structure, the weight that the present invention is directed to current old-man chair are high, high in cost of production shortcoming, propose the electronic old-man chair that a kind of structure is simple, quality is light, easy to manufacture, with low cost, safe and reliable, easy to operate.
The electronic old-man chair of one of the present invention, comprise pedestal, it is characterized in that: described pedestal is equipped with toe board Tai Shen mechanism, backrest tilting mechanism, aiding upright mechanism, cushion lifting mechanism and jointed gear unit, described aiding upright mechanism is contained in the both sides of described pedestal, and each described aiding upright mechanism is all corresponding installs a set of described cushion lifting mechanism; Often overlap on described cushion lifting mechanism and a set of described toe board lifting mechanism is housed; Described jointed gear unit connects toe board lifting mechanism and backrest tilting mechanism;
Described aiding upright mechanism comprises V-type plate, fixed head, fixed bar, helps station to rotate pipe and help station to rotate tube support plate, and tube support plate is rotated at the affixed station that helps of described pedestal front part sides; Described help station to rotate pipe one end is hinged on described helping station is rotated on tube support plate, the other end and described fixed head affixed; Affixed bottom described fixed bar lower end and described pedestal; One end and the described jointed gear unit of described V-type plate are affixed, the other end and described fixed bar upper end thereof;
Described jointed gear unit comprises driving front connecting rod, rear kinematic link, electric pushrod and push rod tube connector, one end and the described V-type plate of described rear drive link are hinged, one end of the other end and described driving front connecting rod is hinged, and the other end and the described toe board Tai Shen mechanism of described driving front connecting rod are hinged; Described electric pushrod one end and pedestal front portion is connected, the other end is connected with described push rod tube connector, described push rod tube connector and described V-type plate one end affixed;
Described cushion lifting mechanism comprises seat board, side plate, front support rocking bar, rear support rocking bar, described seat board and described side plate affixed, described rear support rocking bar upper end, described front support rocking bar upper end are hinged on described side plate respectively, described rear support rocking bar lower end, described front support rocking bar lower end stand with described helping respectively rotate manage hinged;
Described backrest tilting mechanism comprises backrest first connecting rod, backup plate, backrest third connecting rod, and the lower end of described backrest first connecting rod is hinged on described side plate rear portion; The upper end of described backrest first connecting rod, the upper end of described backrest third connecting rod are hinged on backup plate respectively; The lower end of described backrest third connecting rod is hinged on the fixed head of described aiding upright mechanism;
Described toe board Tai Shen mechanism comprises leg rest first connecting rod, leg rest second connecting rod, toe board, leg rest third connecting rod and leg rest double leval jib, described leg rest first connecting rod is hinged on described leg rest third connecting rod, and described leg rest second connecting rod is hinged on described leg rest double leval jib; Described leg rest third connecting rod, leg rest double leval jib are hinged on the front portion of the side plate of described cushion lifting mechanism respectively; The free end of described leg rest first connecting rod and described leg rest second connecting rod is hinged on described toe board respectively.
Described electric pushrod is furnished with rear stabilizer bar, the two ends of described rear stabilizer bar are fixed in corresponding V-type plate turning point respectively, the interference of electric pushrod in line period process for the national games can be avoided in the turning point that rear stabilizer bar is welded on V-type plate, can improve stability and the security of mechanism's latter half.
The second banking pin for kinematic link position after leg rest launches limit is installed above described V-type plate.
Hinged intermediate connecting rod between described leg rest third connecting rod and described leg rest double leval jib.
Described leg rest second connecting rod is provided with U-type groove, described leg rest third connecting rod is provided with the first banking pin, the first described banking pin to snap in described U-type groove and slides along described U-type groove, and the U-type groove described in described U-type groove and described banking pin form stopping means.
Described side plate front end is installed and is continued to lift the rivet stretched for leg rest double leval jib under limiting deployed condition.
Described restriction the 3rd banking pin helping station to rotate pipe is provided with for helping station to rotate pipe position.
Help station to rotate the every limit of tube support plate and be divided into two panels, be symmetrically welded at respectively on the square tube both sides of pedestal, and described helping above station rotation tube support plate is provided with for the hinged hinge hole helping station to rotate pipe.
Hinged support rocking bar connecting rod between described rear support rocking bar and described front support rocking bar, and described supporting crank connecting rod is provided with the support nail played when reclaiming for limiting mechanism rear kinematic link.
Hinged by front stabilizer between driving front connecting rod described in two, the turning point welding rear stabilizer bar of the V-type plate described in two panels, improves mechanism's rigidity.
Operation principle of the present invention: the complete period operation principle of the electronic old-man chair of the present invention is divided into toe board to lift stretching (withdrawal) process, toe board backrest launches (withdrawal) process completely and aiding upright lifting (withdrawal) process.
When electric pushrod reclaims forward, drive push rod tube connector to travel forward, because push rod tube connector and V-type plate are welded to connect, drive V-type plate to rotate around fixed bar further, owing to being fixed with banking pin above V-type plate, in V-type plate rotation process, banking pin can block rear kinematic link, and driving front connecting rod can be driven further to travel forward, promotion foot rest structure launches, in like manner, leg rest mechanism reclaims and realizes, and this process implementation toe board is lifted and stretched (withdrawal) process.
When electric pushrod continues to reclaim forward, because side plate front end is provided with rivet, when leg rest double leval jib driven forward, because rivet blocks leg rest double leval jib, further drive front support rocking bar and rear support rocking bar rotate around helping station to rotate pipe, side plate travels forward, backrest second connecting rod is driven to travel forward, because backrest third connecting rod one end is hinged around fixed head, the other end and backboard hinged, therefore, realize backrest to launch, in like manner, when electric pushrod extends backward, owing to being provided with support nail on supporting crank connecting rod, when rear kinematic link reclaims backward along with V-type plate, because support nail can play barrier effect to rear kinematic link, the recovery path of rear kinematic link can be limited, the recovery of further drive driving front connecting rod, drive leg rest mechanism reclaims, electric pushrod continues to extend, because side plate is provided with banking pin, leg rest double leval jib can block by limited nail when being recovered to last position, further drive side plate rotates recovery by front support rocking bar and rear support rocking bar around helping station to rotate pipe, thus drive backrest to reclaim.This process implementation toe board and backrest launch (recovery) process completely.
When toe board backrest reclaims completely, due to these these two processes of expansion recovery is not symmetrical, reclaim stroke ratio expansion stroke larger a little, therefore removal process complete last V-type plate can than initial position many rotations low-angle backward, the gap of this angle difference is negligible, V-type plate just in time just contacts with the support nail on fixed head simultaneously, now, electric pushrod continues to extend backward, electric pushrod can drive V-type plate to rotate counterclockwise around fixed bar, due to the contact action of V-type plate and support nail, drive helps station to rotate pipe and rotates around helping station to rotate tube support plate, meanwhile, rear kinematic link also departs from the barrier effect of the support nail on supporting crank connecting rod, make it without rotating around V-type plate of interfering, reach the object of the lifting of seat aiding upright, in like manner, aiding upright mechanism reclaims.This process implementation aiding upright lifting (withdrawal) process.
The invention has the beneficial effects as follows: can toe board and backrest transfer met and possessing on the basis of aiding upright, the advantages such as structure is simple, quality is light, easy to manufacture, with low cost, safe and reliable, easy to operate.
Accompanying drawing explanation
Fig. 1 is three-dimension integrally structural representation of the present invention.
Fig. 2 is original state front view of the present invention.
Fig. 3 is original state side view of the present invention.
Fig. 4 is original state top view of the present invention.
Fig. 5 is the A-A sectional view of Fig. 4.
Fig. 6 is the overall schematic of aiding upright mechanism deploying state of the present invention.
Fig. 7 is the front view of Fig. 6.
Fig. 8 is the side view of Fig. 6.
Fig. 9 is the top view of Fig. 6.
Figure 10 is the B-B sectional view of Fig. 9.
Figure 11 is the structure chart of leg rest mechanism deployed condition of the present invention.
Figure 12 is the front view of Figure 11.
Figure 13 is the side view of Figure 11.
Figure 14 is the top view of Figure 11.
Figure 15 is the C-C sectional view of Figure 14.
Figure 16 is the structure chart of backrest tilting mechanism heeling condition of the present invention.
Figure 17 is the front view of Figure 16.
Figure 18 is the side view of Figure 17.
Figure 19 is the top view of Figure 18.
Figure 20 is the E-E sectional view of Figure 19.
Figure 21 is the structure chart of the vertical state of backrest tilting mechanism of the present invention.
Figure 22 is the front view of Figure 21.
Figure 23 is the side view of Figure 21.
Figure 24 is the top view of Figure 21.
Figure 25 is the D-D sectional view of Figure 24.
Figure 26 is the chart at the bottom of of Figure 21.
Figure 27 is the structure chart of cushion lifting mechanism of the present invention.
Figure 28 is the front view of Figure 27.
Figure 29 is the side view of Figure 27.
Figure 30 is the top view of Figure 27.
Figure 31 is the F-F sectional view of Figure 30.
Figure 32 is the bottom view of Figure 27.
Detailed description of the invention
The present invention is further illustrated below in conjunction with accompanying drawing
With reference to accompanying drawing:
The electronic old-man chair of embodiment 1 one of the present invention, comprise pedestal, toe board Tai Shen mechanism, backrest tilting mechanism, aiding upright mechanism, cushion lifting mechanism and jointed gear unit described pedestal 1 be equipped with, described aiding upright mechanism is contained in the both sides of described pedestal, and each described aiding upright mechanism is all corresponding installs a set of described cushion lifting mechanism; Often overlap on described cushion lifting mechanism and a set of corresponding described toe board lifting mechanism is housed; Described jointed gear unit connects toe board lifting mechanism and backrest tilting mechanism;
Described aiding upright mechanism comprises V-type plate 18, fixed head 19, helps station to rotate pipe 20, helps station to rotate tube support plate 21 and fixed bar 22, and described pedestal 1 front part sides welding helps station to rotate tube support plate 21; Described help station to rotate pipe 20 one end to be hinged on described helping station is rotated on tube support plate 21, the other end welds with described fixed head 19; Described fixed bar 22 lower end and described pedestal 1 bottom welding; One end and the described jointed gear unit of described V-type plate 18 are affixed, the other end and described fixed bar 22 upper end thereof;
Described jointed gear unit comprises driving front connecting rod 27, rear kinematic link 23, electric pushrod 17 and push rod tube connector 16, one end and the described V-type plate 18 of described rear drive link 23 are hinged, one end of the other end and described driving front connecting rod 27 is hinged, and the other end and the described toe board Tai Shen mechanism of described driving front connecting rod 27 are hinged; Described electric pushrod 17 one end is connected with pedestal 1 front portion, the other end is connected with described push rod tube connector 16, and described push rod tube connector 16 is affixed with described V-type plate 18 one end;
Described cushion lifting mechanism comprises seat board 8, side plate 9, front support rocking bar 28, rear support rocking bar 29, described seat board 8 and described side plate 9 affixed, described rear support rocking bar 29 upper end, described front support rocking bar 28 upper end are hinged on described side plate 9 respectively, and standing with described helping respectively in described rear support rocking bar 29 lower end, described front support rocking bar 28 lower end, to rotate pipe 20 hinged;
Described backrest tilting mechanism comprises backrest first connecting rod 10, backup plate 12, backrest third connecting rod 13, and the lower end of described backrest first connecting rod 10 is hinged on described side plate 9 rear portion; The upper end of described backrest first connecting rod 10, the upper end of described backrest third connecting rod 13 are hinged on backup plate 12 respectively; The lower end of described backrest third connecting rod 13 is hinged on the fixed head 19 of described aiding upright mechanism;
Described toe board Tai Shen mechanism comprises leg rest first connecting rod 2, leg rest second connecting rod 3, toe board 4, leg rest third connecting rod 5 and leg rest double leval jib 7, described leg rest first connecting rod 2 is hinged on described leg rest third connecting rod 4, and described leg rest second connecting rod 3 is hinged on described leg rest double leval jib 7; Described leg rest third connecting rod 5, leg rest double leval jib 7 are hinged on the front portion of the side plate 9 of described cushion lifting mechanism respectively; The free end of described leg rest first connecting rod 2 and described leg rest second connecting rod 3 is hinged on described toe board 4 respectively.
Described electric pushrod 17 is furnished with rear stabilizer bar 31, and the two ends of described rear stabilizer bar 31 are fixed in corresponding V-type plate 18 turning point respectively.
Described V-type plate 18 is provided with the second banking pin 14 for kinematic link 23 position after restriction under leg rest deployed condition.
Described leg rest second connecting rod 3 is provided with U-type groove 31, described leg rest third connecting rod 5 is provided with the first banking pin 51, the first described banking pin 51 to snap in described U-type groove 31 and slides along described U-type groove 31, and the described U-type groove 31 described in U-type groove 31 forms stopping means with the first described banking pin 51.
Hinged intermediate connecting rod 6 between described leg rest third connecting rod 5 and described leg rest double leval jib 7.
Described side plate 9 front end is installed and is continued to lift the rivet 30 stretched for leg rest double leval jib 7 under limiting deployed condition.
The described station rotation tube support plate 19 that helps often is divided into two panels in limit, is symmetrically welded at respectively on the square tube both sides of pedestal 1, and the described station rotation tube support plate 19 that helps is provided with above for the hinged hinge hole helping rotation pipe 20 of standing.
Described restriction the 3rd banking pin 24 helping station to rotate pipe 20 is provided with for helping station to rotate pipe position.
Hinged support rocking bar connecting rod 26 between described rear support rocking bar 21 and described front support rocking bar 28, and described supporting crank connecting rod 26 is provided with support nail 25, when described support nail 25 reclaims for limiting mechanism, plays the stop position-limiting action to rear kinematic link 23.
Hinged by front stabilizer 32 between driving front connecting rod 27 described in two.
Operation principle of the present invention: referring to figs. 1 through Fig. 5 and Figure 11 to Figure 15, when electric pushrod 17 reclaims forward, push rod tube connector 16 is driven to travel forward, because push rod tube connector 16 and V-type plate 18 are welded to connect, further drive V-type plate 18 rotates around fixed bar 22, because V-type plate 18 is fixed with the second banking pin 14 above, in V-type plate rotation process, second banking pin 14 can block rear kinematic link 23, driving front connecting rod 27 can be driven further to travel forward, promotion foot rest structure launches, in like manner, leg rest mechanism reclaims and realizes, this process implementation toe board is lifted and is stretched (withdrawal) process.
With reference to Fig. 1, Figure 12 to Figure 19, when electric pushrod 17 continues to reclaim forward, because side plate 9 front end is provided with rivet 30, when leg rest double leval jib 7 driven forward, because rivet 30 blocks leg rest double leval jib 7, further drive front support rocking bar 28 and rear support rocking bar 21 rotate around helping station to rotate pipe 20, side plate 9 travels forward, backrest second connecting rod 11 is driven to travel forward, because backrest third connecting rod 13 one end is hinged around fixed head 19, the other end and backboard 12 hinged, therefore, realize backrest to launch, in like manner, when electric pushrod 17 extends backward, owing to being provided with support nail 25 on supporting crank connecting rod 26, when rear kinematic link 23 reclaims backward along with V-type plate 18, because support nail 25 can play barrier effect to rear kinematic link 23, the recovery path of rear kinematic link 23 can be limited, the recovery of further drive driving front connecting rod 27, drive leg rest mechanism reclaims, electric pushrod 17 continues to extend, because side plate 9 is provided with limiting rivet, leg rest double leval jib 7 can block by limited rivet when being recovered to last position, further drive side plate 9 rotates recovery by front support rocking bar 28 and rear support rocking bar 21 around helping station to rotate pipe 20, thus drive backrest to reclaim.This process implementation toe board and backrest launch (recovery) process completely.
With reference to Fig. 1, Fig. 6 to Figure 10, when toe board backrest reclaims completely, due to these these two processes of expansion recovery is not symmetrical, reclaim stroke ratio expansion stroke larger a little, therefore removal process completes the meeting of last V-type plate 18 than initial position many rotations low-angle backward, the gap of this angle difference is negligible, V-type plate 18 just in time just contacts with the support nail 15 on fixed head 19 simultaneously, now, electric pushrod 17 continues to extend backward, electric pushrod 17 can drive V-type plate 18 to rotate counterclockwise around fixed bar 22, due to V-type plate 18 and the contact action of support nail 15, drive helps station to rotate pipe 20 and rotates around helping station to rotate tube support plate 29, meanwhile, rear kinematic link 23 also departs from the barrier effect of the support nail 25 on supporting crank connecting rod 26, make it without rotating around V-type plate 18 of interfering, reach the object of the lifting of seat aiding upright, in like manner, aiding upright mechanism reclaims.This process implementation aiding upright lifting (withdrawal) process.
Content described in this description embodiment is only enumerating the way of realization of inventive concept; protection scope of the present invention should not be regarded as being only limitted to the concrete form that embodiment is stated, protection scope of the present invention also comprises those skilled in the art and conceives the equivalent technologies means that can expect according to the present invention.
Claims (10)
1. an electronic old-man chair, comprise pedestal, it is characterized in that: described pedestal is equipped with toe board Tai Shen mechanism, backrest tilting mechanism, aiding upright mechanism, cushion lifting mechanism and jointed gear unit, described aiding upright mechanism is contained in the both sides of described pedestal, and each described aiding upright mechanism is all corresponding installs a set of described cushion lifting mechanism; Often overlap on described cushion lifting mechanism and a set of described toe board lifting mechanism is housed; Described jointed gear unit connects toe board lifting mechanism and backrest tilting mechanism;
Described aiding upright mechanism comprises V-type plate, fixed head, fixed bar, helps station to rotate pipe and help station to rotate tube support plate, and tube support plate is rotated at the affixed station that helps of described pedestal front part sides; Described help station to rotate pipe one end is hinged on described helping station is rotated on tube support plate, the other end and described fixed head affixed; Affixed bottom described fixed bar lower end and described pedestal; One end and the described jointed gear unit of described V-type plate are affixed, the other end and described fixed bar upper end thereof;
Described jointed gear unit comprises driving front connecting rod, rear kinematic link, electric pushrod and push rod tube connector, one end and the described V-type plate of described rear drive link are hinged, one end of the other end and described driving front connecting rod is hinged, and the other end and the described toe board Tai Shen mechanism of described driving front connecting rod are hinged; Described electric pushrod one end and pedestal front portion is connected, the other end is connected with described push rod tube connector, described push rod tube connector and described V-type plate one end affixed;
Described cushion lifting mechanism comprises seat board, side plate, front support rocking bar, rear support rocking bar, described seat board and described side plate affixed, described rear support rocking bar upper end, described front support rocking bar upper end are hinged on described side plate respectively, described rear support rocking bar lower end, described front support rocking bar lower end stand with described helping respectively rotate manage hinged;
Described backrest tilting mechanism comprises backrest first connecting rod, backup plate, backrest third connecting rod, and the lower end of described backrest first connecting rod is hinged on described side plate rear portion; The upper end of described backrest first connecting rod, the upper end of described backrest third connecting rod are hinged on backup plate respectively; The lower end of described backrest third connecting rod is hinged on the fixed head of described aiding upright mechanism;
Described toe board Tai Shen mechanism comprises leg rest first connecting rod, leg rest second connecting rod, toe board, leg rest third connecting rod and leg rest double leval jib, described leg rest first connecting rod is hinged on described leg rest third connecting rod, and described leg rest second connecting rod is hinged on described leg rest double leval jib; Described leg rest third connecting rod, leg rest double leval jib are hinged on the front portion of the side plate of described cushion lifting mechanism respectively; The free end of described leg rest first connecting rod and described leg rest second connecting rod is hinged on described toe board respectively.
2. a kind of electronic old-man chair as claimed in claim 1, is characterized in that: described electric pushrod is furnished with rear stabilizer bar, and the two ends of described rear stabilizer bar are fixed in corresponding V-type plate turning point respectively.
3. a kind of electronic old-man chair as claimed in claim 2, is characterized in that: be provided with the second banking pin for kinematic link position after leg rest launches limit above described V-type plate.
4. a kind of electronic old-man chair as claimed in claim 1, is characterized in that: hinged intermediate connecting rod between described leg rest third connecting rod and described leg rest double leval jib.
5. a kind of electronic old-man chair as claimed in claim 4, is characterized in that: described leg rest third connecting rod is provided with the first banking pin of the U-type groove snapped on leg rest second connecting rod, and the first described banking pin slides along described U-type groove.
6. a kind of electronic old-man chair as claimed in claim 1, is characterized in that: described side plate front end is installed and continued to lift the rivet stretched for leg rest double leval jib under limiting deployed condition.
7. a kind of electronic old-man chair as claimed in claim 1, it is characterized in that: help station to rotate the every limit of tube support plate and be divided into two panels, be symmetrically welded at respectively on the square tube both sides of pedestal, and described helping above station rotation tube support plate is provided with for the hinged hinge hole helping station to rotate pipe.
8. a kind of electronic old-man chair as claimed in claim 7, is characterized in that: described restriction the 3rd banking pin helping station to rotate pipe is provided with for helping station to rotate pipe position.
9. a kind of electronic old-man chair as claimed in claim 1, it is characterized in that: hinged support rocking bar connecting rod between described rear support rocking bar and described front support rocking bar, and described supporting crank connecting rod is provided with the support nail played when reclaiming for limiting mechanism rear kinematic link.
10. a kind of electronic old-man chair as claimed in claim 1, is characterized in that: hinged by front stabilizer between the driving front connecting rod described in two.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510452057.XA CN105146944B (en) | 2015-07-28 | 2015-07-28 | A kind of electronic old-man chair |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510452057.XA CN105146944B (en) | 2015-07-28 | 2015-07-28 | A kind of electronic old-man chair |
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| CN105146944A true CN105146944A (en) | 2015-12-16 |
| CN105146944B CN105146944B (en) | 2017-11-07 |
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| CN201510452057.XA Active CN105146944B (en) | 2015-07-28 | 2015-07-28 | A kind of electronic old-man chair |
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| CN111658350A (en) * | 2020-06-12 | 2020-09-15 | 重庆电子工程职业学院 | Old-person assisting chair |
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| CN107157163B (en) * | 2017-06-19 | 2023-08-04 | 海宁美惠机械有限公司 | Double-motor liftable old man chair |
| CN108634654A (en) * | 2018-05-11 | 2018-10-12 | 周辉 | A kind of electronic old-man chair of coordinated type |
| CN108771372A (en) * | 2018-08-22 | 2018-11-09 | 浙江机电职业技术学院 | A kind of electronic old-man chair skeleton |
| CN108771372B (en) * | 2018-08-22 | 2023-07-21 | 浙江机电职业技术学院 | Electric chair framework for old people |
| CN110179271A (en) * | 2019-05-30 | 2019-08-30 | 浙江工业大学 | A kind of power-assisted old-man chair |
| CN110179271B (en) * | 2019-05-30 | 2024-01-09 | 浙江工业大学 | Power-assisted old people chair |
| CN111658350A (en) * | 2020-06-12 | 2020-09-15 | 重庆电子工程职业学院 | Old-person assisting chair |
| CN111658350B (en) * | 2020-06-12 | 2022-04-26 | 重庆电子工程职业学院 | Old-person assisting chair |
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| CN105146944B (en) | 2017-11-07 |
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