CN213311086U - Automatic device of getting up and sleeping down - Google Patents
Automatic device of getting up and sleeping down Download PDFInfo
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- CN213311086U CN213311086U CN202021669162.1U CN202021669162U CN213311086U CN 213311086 U CN213311086 U CN 213311086U CN 202021669162 U CN202021669162 U CN 202021669162U CN 213311086 U CN213311086 U CN 213311086U
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Abstract
An automatic bed lifting and falling device comprises a vertical rotating bed lifting mechanism, a translation mechanism and a horizontal rotating lifting mechanism. The vertical rotary rising and lying mechanism is installed on the first rack, the translation mechanism is installed on the second rack, the first rack and the second rack are connected through bolts and nuts, and the horizontal rotary lifting mechanism is connected with the translation mechanism through a positioning plate through bolts. A first motor in the vertical rotating rising and lying mechanism is connected with a speed reducer through a coupler, and a second speed reducing motor in the translation mechanism and a third speed reducing motor in the horizontal rotating lifting mechanism both have a speed reducing function. The utility model discloses can effectively solve the old person because osteoporosis or the physical function take place the difficult problem of getting up alone that reasons such as degenerative change lead to, degree of automation and economical and practical are higher simultaneously.
Description
Technical Field
The utility model belongs to the technical field of help old mechanical device technique and specifically relates to an automatic device of getting up and sleeping and getting off bed.
Background
At present, some people have the problem of difficult getting up and getting out of bed, particularly for the old people, along with the increase of age or the long-time greater labor intensity, the bone formation of some people is reduced and the loss is increased, so that the situation that osteoporosis or lumbar vertebra is easy to appear in people is caused, and meanwhile, the physical function of people is also subjected to degenerative change, so that a series of problems of bone hardening, muscle weakness and the like are caused. The above factors will cause the abnormal stretching and contraction of the muscles of the human body, so that it is difficult for some people to have enough strength to support their own body when getting up, and the people cannot get up and down normally.
Meanwhile, the functions of devices for assisting in getting up and down in the market are single, some devices can only solve the problem of incapability of getting up and down, some devices can only solve the problem of inconvenience in getting down, and devices with high comprehensive performance are too low in economical and practical performance and cannot be purchased by most people. For the above reasons, there is a need to develop a device that assists such persons in automatically rising and falling from bed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved problem of the utility model is to provide an automatic device of getting up and sleeping down, can assist the part people to get up and sleeping down.
In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides an automatic device of getting up and sleeping down, includes vertical rotation mechanism of getting up and sleeping, translation mechanism and horizontal rotation elevating system, and concrete structure and relation of connection are:
the vertical rotary rising and lying mechanism comprises a first rack, a first motor, a coupler, a speed reducer, a first screw, a nut force arm shaft, a first nut force arm bearing, a second nut force arm bearing, a first positioning chute, a second positioning chute, a rotary-sliding double-positioning force arm rod, a first bearing seat, a connecting force arm rod, a supporting plate and a rotary positioning shaft pin, wherein the first motor is connected with the speed reducer through the coupler, the first motor and the speed reducer are fixedly connected on the first rack through bolts, one end of the first screw is matched with the speed reducer, the other end of the first screw is matched and connected with the first bearing seat, the first bearing seat is fixedly connected with the first rack through bolts, the first screw and the nut force arm shaft are connected together through threaded rotary engagement, and two ends of the nut shaft are respectively connected with the first nut force arm bearing and the second nut force arm bearing through hole shaft matching, one end of the rotary-sliding double-positioning-force arm rod is hinged with the first machine frame through a rotary positioning shaft pin, the other end of the rotary-sliding double-positioning-force arm rod is fixedly connected with the connecting force arm rod through a bolt, a first positioning chute and a second positioning chute are respectively formed in two ends of the rotary-sliding double-positioning-force arm rod, the first positioning chute and the second positioning chute are respectively matched and contacted with the first nut force arm bearing and the second nut force arm bearing, so that the rotary-sliding double-positioning-force arm rod can rotate in a vertical plane around the rotary positioning shaft pin under the contact force action of the first nut force arm bearing and the second nut force arm bearing, and the supporting plate and the connecting force arm rod are welded together;
the translation mechanism comprises a second rack, a second speed reducing motor, a transmission shaft, a left bearing seat, a right bearing seat, a gear, a rack, a first rack positioning groove, a second rack positioning groove, a left positioning chute, a right positioning chute, a rack positioning shaft pin, a first translation transmission shaft, a second translation transmission shaft, a first bearing, a second bearing, a third bearing, a fourth bearing and a positioning plate, wherein the second speed reducing motor is fixedly connected with the second rack through bolts, the left bearing seat and the right bearing seat are fixed on the second rack through welding, the left end of the transmission shaft is connected with the second speed reducing motor and respectively matched with the left bearing seat and the right bearing seat through hole-shaft matching, the gear is matched and connected with the transmission shaft through a key groove and a key, the rack is meshed with the gear, the front end of the rack is matched and connected with the rack positioning shaft pin through the hole-shaft, and the two ends of the rack positioning shaft pin are also connected, the second rack positioning groove is welded on the positioning plate, the rack is connected with the first rack positioning groove in a matched mode, and therefore the degree of freedom of the rack is limited;
the horizontal rotary lifting mechanism comprises a third speed reducing motor, a second bearing seat, a first bevel gear, a second bevel gear, a thread pushing arm, a left positioning shaft, a right positioning shaft, a first lifting positioning chute, a second screw, a left force arm, a right force arm, a lifting positioning sleeve and a rotary bearing positioning disc, wherein the bottom of the third speed reducing motor is welded on the positioning plate, the second bearing seat is also welded on the positioning plate, the second bevel gear is connected with the third speed reducing motor in a matched manner to form a rotating pair, the first bevel gear is connected with the second screw in a matched manner through a hole shaft, the second screw is connected with the second bearing seat in a matched manner to form a rotating pair, the thread pushing arm is connected with the second screw in a screwed manner through threads, two ends of the thread pushing arm are respectively connected with the left positioning shaft and the right force arm positioning shaft, holes are respectively drilled on the left force arm and the right force arm, and are, the rotary bearing positioning disc is welded on the left force arm and the right force arm, the lifting positioning sleeve is fixedly connected with the positioning plate through bolts, a first lifting positioning sliding groove and a second lifting positioning sliding groove are formed in the two ends of the lifting positioning sleeve respectively, the left positioning shaft slides in the first lifting positioning sliding groove, and the right positioning shaft slides in the second lifting positioning sliding groove.
The grooves are formed in the periphery of the spin-slide double-positioning-force arm rod, and the bearing matched with the nut force arm shaft can move in the first positioning sliding groove and the second positioning sliding groove, so that the spin-slide double-positioning-force arm rod rotates, and the first screw rod can penetrate through the spin-slide double-positioning-force arm rod through the other two grooves.
The nut force arm shaft and the first screw rod matching part are provided with internal threads, so that the nut force arm shaft can move back and forth along the axis direction of the first screw rod, and the first nut force arm bearing and the second nut force arm bearing move in the first positioning chute and the second positioning chute respectively.
The transmission shaft is connected with the gear through a key, the transmission shaft and the gear cannot rotate relatively, and the translation mechanism achieves the translation function by means of meshing transmission of the gear and the rack.
The rack is limited in degree of freedom by the first rack positioning groove and the second rack positioning groove, so that the rack can only do linear motion in the rack positioning groove.
The horizontal rotation lifting mechanism realizes the purpose of lifting by applying the rotatability of the external thread of the second screw and the internal thread of the thread pushing arm.
And a second bearing seat is arranged below the first bevel gear.
The rotary bearing positioning disc is internally provided with a bearing, so that the positioning disc can rotate in a horizontal plane.
Compared with the prior art, the utility model discloses there is following outstanding advantage:
1. the mechanical device is used for assisting people to get up and down, and the problems that part of people are weak to support the body by themselves and are difficult to get out of the bed independently due to degenerative change or osteoporosis of body functions are solved.
2. The rotation of the vertical rotating rising and lying mechanism in a vertical plane and the lifting of the rotating bearing positioning disc are realized through screw transmission, so that the labor is saved, and the self-locking can be realized.
3. Most of the components are fixedly connected by bolts, so that the components are convenient to disassemble and maintain.
4. Utilize the meshing of rack and pinion and spout and bearing to cooperate and realize the translation, long service life, the translation is efficient.
5. The design is ingenious, and the operation is simple.
Drawings
Fig. 1 is a schematic view of the overall structure of the automatic lifting and lowering device of the present invention.
Fig. 2 is a schematic structural view of a vertical rotating mechanism for automatic lifting and lowering device.
Fig. 3 is a partial structural schematic view of the vertical rotating mechanism of the automatic bed-lifting and getting-off device of the present invention.
Fig. 4 is a side view of the vertical rotating mechanism of the automatic bed-lifting and getting-off device of the present invention.
Fig. 5 is a schematic structural view of the translation mechanism of the automatic bed lifting and lowering device of the present invention.
Fig. 6 is a schematic view of a part of the translation mechanism of the automatic bed lifting and lowering device of the present invention.
Fig. 7 is a schematic structural view of the horizontal rotation lifting mechanism of the automatic bed lifting and lowering device of the present invention.
Fig. 8 is a partial structural schematic view of the horizontal rotation lifting mechanism of the automatic bed lifting and lowering device of the present invention.
Fig. 9 is a schematic view of the internal structure of the horizontal rotation lifting mechanism of the automatic bed lifting and lowering device of the present invention.
Labeled as: the device comprises a first rack 1, a first motor 2, a coupler 3, a speed reducer 4, a first screw 5, a nut force arm shaft 6, a first nut force arm bearing 7, a second nut force arm bearing 8, a first positioning chute 9, a second positioning chute 10, a rotary-sliding double-positioning force arm rod 11, a first bearing seat 12, a connecting force arm rod 13, a support plate 14, a rotary positioning shaft pin 15, a second rack 16, a second speed reducing motor 17, a transmission shaft 18, a left bearing seat 19, a right bearing seat 20, a gear 21, a rack 22, a first rack positioning groove 23, a second rack positioning groove 24, a left positioning chute 25, a right positioning chute 26, a rack positioning shaft pin 27, a first translation transmission shaft 28, a second translation transmission shaft 29, a first bearing 30, a second bearing 31, a third bearing 32, a fourth bearing 33, a positioning plate 34, a third speed reducing motor 35, a left positioning chute 36, a right positioning shaft 37, a lifting force arm positioning sleeve 38, a first translation transmission shaft, The device comprises a rotary bearing positioning disc 39, a first lifting positioning chute 40, a second lifting positioning chute 41, a second bearing seat 42, a first bevel gear 43, a second bevel gear 44, a threaded thrust arm 45, a left positioning shaft 46, a right positioning shaft 47, a second screw 48, a vertical rotary lifting mechanism A, a translation mechanism B and a horizontal rotary lifting mechanism C.
Detailed Description
The technical solution of the present invention is further described below by means of the accompanying drawings and examples.
It should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" in the description of the present invention are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations and positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 9, the automatic bed lifting and lowering device of the present invention comprises a vertical rotation bed lifting mechanism, a horizontal moving mechanism and a horizontal rotation lifting mechanism, wherein the specific structure and connection relationship are as follows:
the vertical rotary rising and lying mechanism comprises a first rack 1, a first motor 2, a coupler 3, a speed reducer 4, a first screw rod 5, a nut force arm shaft 6, a first nut force arm bearing 7, a second nut force arm bearing 8, a first positioning chute 9, a second positioning chute 10, a rotary-sliding double-positioning force arm rod 11, a first bearing seat 12, a connecting force arm rod 13, a support plate 14 and a rotary positioning shaft pin 15, wherein the first motor 2 is connected with the speed reducer 4 through the coupler 3, the first motor 2 and the speed reducer 4 are fixedly connected onto the first rack 1 through bolts, one end of the first screw rod 5 is matched with the speed reducer 4, the other end of the first screw rod is matched and connected with the first bearing seat 12, the first bearing seat 12 is fixedly connected with the first rack 1 through bolts, the first screw rod 5 is connected with the nut force arm shaft 6 through threads in a rotary manner, two ends of the nut force arm shaft 6 are respectively matched and connected with the first nut force arm bearing 7 and the second force arm bearing 8 through hole shafts, one end of the rotating-sliding double-positioning-force arm rod 11 is hinged with the first machine frame 1 through a rotating positioning shaft pin 15, and the rotating-sliding double-positioning-force arm rod 11 can rotate around the rotating positioning shaft pin 15 in a vertical plane. The other end of the rotating-sliding double-positioning-force arm rod 11 is fixedly connected with a connecting-force arm rod 13 through a bolt, a first positioning chute 9 and a second positioning chute 10 are respectively arranged on two sides of the rotating-sliding double-positioning-force arm rod 11, the first positioning chute 9 and the second positioning chute 10 are respectively matched and contacted with a first nut force arm bearing 7 and a second nut force arm bearing 8, so that the rotating-sliding double-positioning-force arm rod 11 can rotate around a rotating positioning shaft pin 15 in a vertical plane under the contact force action of the first nut force arm bearing 7 and the second nut force arm bearing 8, and the supporting plate 14 is welded with the connecting-force arm rod 13;
the translation mechanism comprises a second rack 16, a second speed reducing motor 17, a transmission shaft 18, a left bearing seat 19, a right bearing seat 20, a gear 21, a rack 22, a first rack positioning groove 23, a second rack positioning groove 24, a left positioning sliding groove 25, a right positioning sliding groove 26, a rack positioning shaft pin 27, a first translation transmission shaft 28, a second translation transmission shaft 29, a first bearing 30, a second bearing 31, a third bearing 32, a fourth bearing 33 and a positioning plate 34, wherein the second speed reducing motor 17 is fixedly connected with the second rack 16 through bolts, the left bearing seat 19 and the right bearing seat 20 are fixed on the second rack 16 through welding, the left end of the transmission shaft 18 is connected with the second speed reducing motor 17 and is respectively matched with the left bearing seat 19 and the right bearing seat 20 through hole-shaft matching, the gear 21 is matched and connected with the transmission shaft 18 through a key groove and a key, the rack 22 is meshed with the gear 21, meanwhile, the front end of the rack 22 is connected with the rack positioning shaft pin 27 through hole shaft matching, two ends of the rack positioning shaft pin 27 are also connected with the second rack positioning groove 24 through hole shaft matching, the second rack positioning groove 24 is welded on the positioning plate 34, the rack 22 is connected with the first rack positioning groove 23 through hole shaft matching, so as to limit the degree of freedom of the rack 22, the first rack positioning groove 23 is fixedly connected with the second rack 16 through bolts, the positioning plate 34 is welded on the first translation transmission shaft 28 and the second translation transmission shaft 29, the first bearing 30 and the third bearing 32 are respectively connected with the left end and the right end of the first translation transmission shaft 28 through hole shaft matching, the second bearing 31 and the fourth bearing 33 are respectively connected with the left end and the right end of the second translation transmission shaft 29 through hole shaft matching, the left positioning chute 25 and the right positioning chute 26 are respectively fixedly connected with two ends of the second rack 16 through bolts, the first bearing 30 and the second bearing 31 move in contact with the left positioning chute 25, and the third bearing 32 and the fourth bearing 33 move in contact with the right positioning chute 26;
the horizontal rotary lifting mechanism comprises a third speed reducing motor 35, a second bearing seat 42, a first bevel gear 43, a second bevel gear 44, a thread thrust arm 45, a left positioning shaft 46, a right positioning shaft 47, a first lifting positioning chute 40, a second lifting positioning chute 41, a second screw 48, a left force arm 36, a right force arm 37, a lifting positioning sleeve 38 and a rotary bearing positioning disk 39, wherein the bottom of the third speed reducing motor 35 is welded on the positioning plate 34, the second bearing seat 42 is also welded on the positioning plate 34, the second bevel gear 44 is connected with the third speed reducing motor 35 in a matching way to form a rotary pair, the first bevel gear 43 is connected with the second screw 48 in a matching way through a hole shaft, the second screw 48 is connected with the second bearing seat 42 in a matching way to form a rotary pair, the thread thrust arm 45 is connected with the second screw 48 in a threaded way, two ends of the thread thrust arm 45 are respectively connected with the left positioning shaft 46 and the right positioning, punch respectively on the arm of force 36 of a left side and the arm of force 37 of a right side, be connected with left location axle 46 and right location axle 47 respectively through the hole axle cooperation, the welding of swivel bearing positioning disk 39 is on the arm of force 36 of a left side and the arm of force 37 of a right side, lift position sleeve 38 pass through the bolt with locating plate 34 fixed connection, lift position sleeve 38 both ends are opened respectively and are had first lift location spout 40 and second lift location spout 41, and left side location axle 46 slides in first lift location spout 40, and right side location axle 47 slides in second lift location spout 41 to drive swivel bearing positioning disk 39 and realize the purpose of going up and down.
All around the rotating-sliding double-positioning-force arm rod 11 are provided with grooves, and a bearing matched with the nut force arm shaft 6 can move in the first positioning chute 9 and the second positioning chute 10, so that the rotating-sliding double-positioning-force arm rod 11 rotates, and the first screw rod 5 can penetrate through the rotating-sliding double-positioning-force arm rod 11 through the other two grooves.
The matching part of the nut force arm shaft 6 and the first screw rod 5 is provided with internal threads, so that the nut force arm shaft 6 can move back and forth along the axis direction of the first screw rod 5, and the first nut force arm bearing 7 and the second nut force arm bearing 8 move in the first positioning chute 9 and the second positioning chute 10 respectively.
The transmission shaft 18 is connected with the gear 21 through a key, the transmission shaft 18 and the gear 21 cannot rotate relatively, and the translation mechanism realizes the translation function by utilizing the meshing transmission of the gear 21 and the rack 22.
The rack 22 is restricted in its degree of freedom by the first rack positioning groove 23 and the second rack positioning groove 24 so that the rack 22 can only move linearly in the rack positioning grooves.
The horizontal rotation lifting mechanism uses the rotatability of the external thread of the second screw 48 and the internal thread of the thread pushing arm 45 to realize the lifting.
A second bearing seat 42 is mounted below the first bevel gear 43.
The rotational bearing puck 39 has bearings mounted inside it so that the puck can rotate in a horizontal plane.
The working principle is as follows:
after the first motor 2 is started, the speed is reduced by the speed reducer 4 to enable the first screw rod 5 to rotate at a proper rotating speed, in the rotating process of the first screw rod 5, because the contact part of the nut force arm shaft 6 and the first screw rod 5 is in threaded screwing connection, the nut force arm shaft 6 moves along the axial direction of the first screw rod 5 according to the screwing characteristic of the threads, so that a first nut force arm bearing 7 and a second nut force arm bearing 8 which are connected with the nut force arm shaft 6 are driven to move in a first positioning chute 9 and a second positioning chute 10 respectively, in the process, because the bearings and the chutes generate contact force, the rotating and sliding double positioning force arm rod 11 rotates around a rotating and positioning shaft pin 15, a person lying on the supporting plate 14 is pushed up by the supporting force exerted by the supporting plate 14, when the rotating and sliding double positioning force arm rod 11 rotates to a position vertical to the first machine frame 1, the person can just sit on the rotary bearing positioning disk 39, then the person is rotated to the position which is in the same direction with the translation direction through the rotary bearing positioning disk 39, the third speed reducing motor 35 is started after the rotation is finished, the second bevel gear 44 is driven to rotate after the third speed reducing motor 35 is started, and then the first bevel gear 43 and the second screw 48 are driven to rotate in the second bearing seat 42 through the meshing of the bevel gears, due to the screwing action of the internal thread of the thread pushing arm 45 and the external thread of the second screw 48, the thread pushing arm 45 drives the left positioning shaft 46 and the right positioning shaft 47 which are connected with the thread pushing arm 45 to respectively slide in the first lifting positioning chute 40 and the second lifting positioning chute 41, so that the rotary bearing positioning disk 39 is supported through the left force arm 36 connected with the left positioning shaft 46 and the right force arm 37 connected with the right positioning shaft 47, when the rotary bearing positioning disk 39 is lifted to the position which is suitable for translation, the translation mechanism starts to operate, the second speed reducing motor 17 is started, the second speed reducing motor 17 drives the transmission shaft 18 and the gear 21 to rotate, and the rack positioning shaft pin 27 is simultaneously connected with the rack 22 and the second rack positioning groove 24, and the second rack positioning groove 24 is welded on the positioning plate 34, so that the gear 21 and the rack 22 are meshed to push the four bearings to roll in the left positioning chute 25 and the right positioning chute 26, the translation function is realized, a person can reach the position beside the bed, and the purpose of getting off the bed is achieved.
Claims (8)
1. The utility model provides an automatic device of getting up and sleeping down, its characterized in that, component element includes vertical rotation mechanism of getting up and sleeping, translation mechanism and horizontal rotation elevating system, and the concrete structure and the relation of connection of component element are:
the vertical rotary rising and lying mechanism comprises a first rack, a first motor, a coupler, a speed reducer, a first screw, a nut force arm shaft, a first nut force arm bearing, a second nut force arm bearing, a first positioning chute, a second positioning chute, a rotary-sliding double-positioning force arm rod, a first bearing seat, a connecting force arm rod, a supporting plate and a rotary positioning shaft pin, wherein the first motor is connected with the speed reducer through the coupler, the first motor and the speed reducer are fixedly connected on the first rack through bolts, one end of the first screw is matched with the speed reducer, the other end of the first screw is matched and connected with the first bearing seat, the first bearing seat is fixedly connected with the first rack through the bolts, the first screw and the nut force arm shaft are connected together through threaded rotary engagement, and two ends of the nut shaft are respectively connected with the first nut force arm bearing and the second nut force arm bearing through hole shaft matching, one end of the rotary-sliding double-positioning-force arm rod is hinged with the first machine frame through a rotary positioning shaft pin, the other end of the rotary-sliding double-positioning-force arm rod is fixedly connected with the connecting force arm rod through a bolt, a first positioning chute and a second positioning chute are respectively formed in two ends of the rotary-sliding double-positioning-force arm rod, the first positioning chute and the second positioning chute are respectively matched and contacted with the first nut force arm bearing and the second nut force arm bearing, so that the rotary-sliding double-positioning-force arm rod can rotate in a vertical plane around the rotary positioning shaft pin under the contact force action of the first nut force arm bearing and the second nut force arm bearing, and the supporting plate and the connecting force arm rod are welded together;
the translation mechanism comprises a second rack, a second speed reducing motor, a transmission shaft, a left bearing seat, a right bearing seat, a gear, a rack, a first rack positioning groove, a second rack positioning groove, a left positioning chute, a right positioning chute, a rack positioning shaft pin, a first translation transmission shaft, a second translation transmission shaft, a first bearing, a second bearing, a third bearing, a fourth bearing and a positioning plate, wherein the second speed reducing motor is fixedly connected with the second rack through bolts, the left bearing seat and the right bearing seat are fixed on the second rack through welding, the left end of the transmission shaft is connected with the second speed reducing motor and respectively matched with the left bearing seat and the right bearing seat through hole-shaft matching, the gear is matched and connected with the transmission shaft through a key groove and a key, the rack is meshed with the gear, the front end of the rack is matched and connected with the rack positioning shaft pin through the hole-shaft, and the two ends of the rack positioning shaft pin are also connected, the second rack positioning groove is welded on the positioning plate, the rack is connected with the first rack positioning groove in a matched mode, the first rack positioning groove is fixedly connected onto the second rack through bolts, the positioning plate is welded on the first translation transmission shaft and the second translation transmission shaft, the first bearing and the third bearing are respectively connected with the left end and the right end of the first translation transmission shaft through hole-shaft matching, the second bearing and the fourth bearing are also respectively connected with the left end and the right end of the second translation transmission shaft through hole-shaft matching, the left positioning chute and the right positioning chute are respectively and fixedly connected onto the two ends of the second rack through bolts, the first bearing and the second bearing are in contact movement with the left positioning chute, and the third bearing and the fourth bearing are in contact movement with the right positioning chute;
the horizontal rotary lifting mechanism comprises a third speed reducing motor, a second bearing seat, a first bevel gear, a second bevel gear, a thread pushing arm, a left positioning shaft, a right positioning shaft, a first lifting positioning chute, a second screw, a left force arm, a right force arm, a lifting positioning sleeve and a rotary bearing positioning disc, wherein the bottom of the third speed reducing motor is welded on the positioning plate, the second bearing seat is also welded on the positioning plate, the second bevel gear is connected with the third speed reducing motor in a matched manner to form a rotating pair, the first bevel gear is connected with the second screw in a matched manner through a hole shaft, the second screw is connected with the second bearing seat in a matched manner to form a rotating pair, the thread pushing arm is connected with the second screw in a screwed manner through threads, two ends of the thread pushing arm are respectively connected with the left positioning shaft and the right force arm positioning shaft, holes are respectively drilled on the left force arm and the right force arm, and are, the rotary bearing positioning disc is welded on the left force arm and the right force arm, the lifting positioning sleeve is fixedly connected with the positioning plate through bolts, a first lifting positioning sliding groove and a second lifting positioning sliding groove are formed in the two ends of the lifting positioning sleeve respectively, the left positioning shaft slides in the first lifting positioning sliding groove, and the right positioning shaft slides in the second lifting positioning sliding groove.
2. The automatic rising and falling device according to claim 1, wherein the two positioning arm rods are provided with grooves around, the bearing matched with the arm shaft of the nut moves in the first positioning chute and the second positioning chute to rotate the two positioning arm rods, and the first screw rod passes through the two positioning arm rods through the other two grooves.
3. The automatic rising and falling device according to claim 1, wherein the nut arm shaft and the first screw have internal threads at the matching portion thereof, so that the nut arm shaft can move back and forth along the axis of the first screw, thereby moving the first nut arm bearing and the second nut arm bearing in the first positioning chute and the second positioning chute, respectively.
4. The automatic rising and falling bed device according to claim 1, wherein the transmission shaft is connected with the gear through a key, the transmission shaft and the gear are not capable of rotating relatively, and the translation mechanism realizes the translation function by the meshing transmission of the gear and the rack.
5. The automatic bed and rising apparatus according to claim 1, wherein the rack is restricted in its degree of freedom by the first rack positioning groove and the second rack positioning groove so that the rack can move only linearly in the rack positioning groove.
6. The automatic rising and falling bed device according to claim 1, wherein the horizontal rotary elevating mechanism is elevated by the rotatability of the external thread of the second screw and the internal thread of the thread pushing arm.
7. The automatic rising and falling bed device according to claim 1, wherein a second bearing seat is installed below the first bevel gear.
8. The automatic bed and rise apparatus of claim 1 wherein the swivel bearing puck has bearings mounted therein such that the puck can rotate in a horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021669162.1U CN213311086U (en) | 2020-08-12 | 2020-08-12 | Automatic device of getting up and sleeping down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021669162.1U CN213311086U (en) | 2020-08-12 | 2020-08-12 | Automatic device of getting up and sleeping down |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213311086U true CN213311086U (en) | 2021-06-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021669162.1U Active CN213311086U (en) | 2020-08-12 | 2020-08-12 | Automatic device of getting up and sleeping down |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213311086U (en) |
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2020
- 2020-08-12 CN CN202021669162.1U patent/CN213311086U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |