CN219771645U - Screw transmission structure of home elevator - Google Patents
Screw transmission structure of home elevator Download PDFInfo
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- CN219771645U CN219771645U CN202321208485.4U CN202321208485U CN219771645U CN 219771645 U CN219771645 U CN 219771645U CN 202321208485 U CN202321208485 U CN 202321208485U CN 219771645 U CN219771645 U CN 219771645U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 48
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims 1
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The utility model discloses a screw transmission structure of a home elevator, which belongs to the field of home elevators and comprises a mounting plate, an L-shaped lifting platform and a driving unit, wherein the driving unit is arranged at the upper side surface of the mounting plate and comprises a double-shaft motor, the output end of the double-shaft motor is provided with a transmission shaft, the surface of the transmission shaft is provided with an auxiliary supporting mechanism, the auxiliary supporting mechanism is connected at the upper side surface of the mounting plate, and the surface of a worm is provided with a worm wheel in a meshed manner.
Description
Technical Field
The utility model relates to a home elevator, in particular to a screw transmission structure of the home elevator.
Background
Home elevators refer to elevators installed in private homes for use by only a single family member. It may also be installed in a building that is not used by a single household as a tool for a single household to access its residence, but not for the public or other occupants of the building. The rated speed of the home elevator is not more than 0.4m/s, the rated speed of the home elevator without a car door is not more than 0.3m/s, the stroke of the car is not more than 12m, and the rated load capacity is not more than 400KG. The elevator mainly comprises a traction elevator, a screw elevator and a hydraulic elevator, and the screw elevator adopts a driving structure of a nut screw, also belongs to an elevator without a machine room, has no pit, no counterweight and no car, is provided with a hoistway, has space utilization rate, and can be used in villas and duplex.
In the prior art, according to Chinese patent, the patent with the application number of CN201821860360.9 discloses a screw middle-mounted elevator, and the working principle is as follows: the output of motor is the integral connection through the shaft coupling with the stopper in axial, the car side is equipped with two rows of line rails of symmetry installation on braced frame, the car side is equipped with at least one slider with line rail interlock, the screw rod passes the inside center of car, nut seat fixed connection is at the top and the bottom of car, the nut seat is all overlapped and is established on the screw rod, the screw rod is forward or reverse rotation under the drive of motor, in order to drive nut seat reciprocating motion from top to bottom, and then drive the car and realize reciprocating motion from top to bottom under the guide of line rail, the space that needs to occupy is less need not reserve the position of installing the motor, the nut seat is directly fixed on the car, direct drive car reciprocates, the atress direction of screw rod and line rail is perpendicular, and is forward instead of original, the transmission effect of screw rod is better, life is longer.
The existing home elevator is in a cantilever structure because the L-shaped lifting platform is only connected with a single side of a driving nut on a single screw rod, when a person stands at a position far away from the installation end, the corner connection of the L-shaped lifting platform is under the action of a lever force, the stress can be multiplied, once the force exceeds the connection strength of the connection part, the lifting platform falls down, a safety accident is caused, the gravity of the whole elevator is fully added on a pair of screw rod nuts, the stress born by the screw rod is larger, the screw thread stress between the screw rod and the nuts is larger and the abrasion is serious, the service life of the elevator can be seriously influenced, and therefore, the screw rod transmission structure of the home elevator is provided.
Disclosure of Invention
The utility model aims to provide a screw transmission structure of a home elevator, which can enable the strength of the screw transmission structure to be higher through a driving mechanism, double screws and a reinforcing structure, and is convenient for distributing the pulling force of an L-shaped lifting platform to a driving nut, so that the driving nut on a single screw is prevented from being stressed too much.
The technical aim of the utility model is realized by the following technical scheme: a screw drive structure of a home elevator, comprising:
the mounting plate and the L-shaped lifting platform;
the driving unit is arranged at the position of the upper side surface of the mounting plate and comprises a double-shaft motor, a transmission shaft is arranged at the output end of the double-shaft motor, an auxiliary supporting mechanism is arranged on the surface of the transmission shaft and connected to the position of the upper side surface of the mounting plate, a worm is arranged at one end, far away from the double-shaft motor, of the transmission shaft, and a worm wheel is arranged on the surface of the worm in a meshed mode;
the screw unit is arranged at the position inside the mounting plate and connected to the worm wheel, the screw unit comprises a driving screw, a driving nut is arranged on the surface of the driving screw in a threaded manner, and the driving nut is arranged at the position of the rear side surface of the L-shaped lifting platform;
the reinforcing unit is arranged at the position of the lower side of the mounting plate, the reinforcing unit comprises a first connecting column, one end of the first connecting column is connected with the driving nut, a sliding sleeve is arranged at the other end of the first connecting column, a sliding rail is arranged in the sliding sleeve in a sliding mode, and a fixing plate are arranged between opposite faces of the sliding rail and mounted on the lower side of the mounting plate.
Preferably, the auxiliary supporting mechanism comprises a first bearing seat, a fixing hole is formed in the surface of the first bearing seat in a penetrating mode, a fixing bolt is arranged in the fixing hole, a first bearing seat is arranged in the first bearing seat and connected with an outer ring of the first bearing seat, and an inner ring of the first bearing is connected to the surface of the transmission shaft.
Through adopting above-mentioned technical scheme, install bearing frame one on the transmission shaft through bearing one, insert fixing bolt in the fixed orifices to in screwing in the mounting panel with fixing bolt, carry out auxiliary stay to the transmission shaft.
Preferably, the surface of the transmission screw is provided with a connecting unit, the connecting unit comprises a fixed bottom plate, the upper side surface lap joint of the fixed bottom plate is provided with a second bearing seat, the upper side surface of the second bearing seat is provided with a limiting hole in a penetrating mode, the inside lap joint of the limiting hole is provided with a limiting bolt, the inside of the second bearing seat is provided with a second bearing and the second bearing seat is connected with an outer ring of the second bearing, and the inner ring of the second bearing is provided with a fixed sleeve and the fixed sleeve is installed on the surface of the transmission screw.
Through adopting above-mentioned technical scheme, install bearing frame two on the mounting panel through spacing bolt and spacing hole, be connected fixed cover and drive screw, when the drive screw rotated, drive fixed cover and drive bearing frame two internal rotation through bearing frame two.
In summary, the worm is driven by the double-shaft motor to drive the transmission shaft to drive the worm to rotate, the worm drives the worm wheel to rotate, and the worm wheel drives the transmission screw to rotate, so that the driving nut drives the sliding sleeve to slide upwards on the surface of the sliding rail through the connecting column, the driving nut drives the L-shaped lifting platform to move upwards, the worm is driven by the double-shaft motor to drive the transmission shaft to rotate reversely, the worm drives the worm wheel to rotate reversely, and the worm wheel drives the transmission screw to rotate reversely, so that the driving nut drives the sliding sleeve to slide downwards on the surface of the sliding rail through the connecting column, the driving nut drives the L-shaped lifting platform to move downwards, the stress of the driving nut is conveniently shared, and the driving nut is prevented from being damaged due to overlarge stress;
the utility model can share the force born by the drive nut through the drive unit, the screw unit and the reinforcing unit, reduces the stress of the drive nut, avoids the adoption of a single drive nut with overlarge stress, thereby avoiding the falling of the L-shaped lifting platform caused by the damage of the drive nut due to the overlarge stress of the drive nut, and avoiding the serious abrasion caused by the larger stress of the screw and the screw threads between the screw nuts due to the total gravity of the whole elevator applied to the pair of screw nuts;
the utility model can play a role in pulling the driving nut by utilizing the first connecting column, the sliding sleeve, the sliding rail and the fixing plate, thereby leading the connection strength of the driving nut to be higher and further reducing the stress of the driving nut.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a split view of the present utility model;
FIG. 3 is a schematic diagram of the structure of the driving unit of the present utility model;
FIG. 4 is a schematic view of the screw unit structure of the present utility model;
fig. 5 is a schematic diagram of the structure of a reinforcement unit in embodiment 1 of the present utility model;
FIG. 6 is a schematic view of the auxiliary support mechanism of the present utility model;
FIG. 7 is a schematic view of the structure of the connection unit of the present utility model;
fig. 8 is a schematic view of the structure of a reinforcing unit in embodiment 2 of the present utility model.
In the figure, 1, a mounting plate; 2. an L-shaped lifting platform; 3. a driving unit; 31. a biaxial motor; 32. a transmission shaft; 33. an auxiliary supporting mechanism; 331. a first bearing seat; 332. a fixing hole; 333. a fixing bolt; 334. a first bearing; 34. a worm; 35. a worm wheel; 4. a screw unit; 41. a drive screw; 42. a drive nut; 5. a reinforcement unit; 51. a first connecting column; 52. a sliding sleeve; 53. a slide rail; 54. a fixing plate; 55. a second connecting column; 56. connecting sleeves; 57. a support column; 58. a connecting plate; 59. a connection hole; 6. a connection unit; 61. a fixed bottom plate; 62. a second bearing seat; 63. a limiting hole; 64. a limit bolt; 65. a second bearing; 66. and (5) fixing the sleeve.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
Example 1:
as shown in fig. 1-5, a screw transmission structure of a home elevator comprises a mounting plate 1, an L-shaped lifting platform 2, a driving unit 3, a screw unit 4 and a reinforcing unit 5, wherein the driving unit 3 is convenient for providing moving power for the L-shaped lifting platform 2, the screw unit 4 is convenient for driving the L-shaped lifting platform 2 to move, the reinforcing unit 5 is convenient for distributing the force applied to a driving nut 42, and a pulling effect is exerted on the driving nut 42;
the drive unit 3 sets up the position at mounting panel 1 up side, drive unit 3 includes biax motor 31, biax motor 31 output is fixed to be provided with transmission shaft 32, transmission shaft 32 surface is provided with auxiliary support mechanism 33, auxiliary support mechanism 33 connects the position at mounting panel 1 up side, the one end that biax motor 31 was kept away from to transmission shaft 32 is established fixedly to be provided with worm 34, worm 34 surface engagement is provided with worm wheel 35, screw unit 4 sets up the position inside mounting panel 1, screw unit 4 connects on worm wheel 35, screw unit 4 includes drive screw 41, drive screw 41 surface screw is provided with drive nut 42 and drive nut 42 installs the position at L shape lift platform 2 trailing flank, the quantity of drive screw 41 is two and is symmetrical distribution, drive screw 41 passes through the rolling bearing and installs inside mounting panel 1, drive screw 41 fixed mounting is inside worm wheel 35, reinforcing unit 5 sets up the position at mounting panel 1 downside, reinforcing unit 5 includes spliced pole one 51 and the one end of spliced pole one 51 is connected with drive nut 42, the other end fixedly provided with sliding sleeve 52, sliding sleeve 52 inside sliding arrangement has slide rail 53, sliding rail 53 looks face between 54 fixed plate 54 and fixed plate and fixed connection are in the shape lift platform 2 and take the shape is the landing plate 53, the fixed plate is connected with two and is the fixed plate 53, the landing plate is connected with the L-shaped profile is the fixed plate is the L-shaped and is connected with the L-shaped and is the fixed plate 53, the landing plate is connected with the L-shaped side surface of the metal plate is connected with the L-shaped plate 51.
As shown in fig. 6, the auxiliary supporting mechanism 33 includes a first bearing seat 331, a fixing hole 332 is formed in the surface of the first bearing seat 331 in a penetrating manner, a fixing bolt 333 is arranged in the fixing hole 332, a first bearing 334 is arranged in the first bearing seat 331, the first bearing seat 331 is connected with an outer ring of the first bearing 334, an inner ring of the first bearing 334 is connected to the surface of the transmission shaft 32, so that the transmission shaft 32 is supported conveniently, and the driving unit 3 cannot be used due to deformation of the transmission shaft 32 is prevented.
As shown in fig. 7, the surface of the driving screw 41 is provided with a connecting unit 6, the connecting unit 6 comprises a fixed bottom plate 61, the upper side surface of the fixed bottom plate 61 is provided with a second bearing seat 62 in a lap joint manner, the upper side surface of the second bearing seat 62 is provided with a limiting hole 63 in a penetration manner, the inside of the limiting hole 63 is provided with a limiting bolt 64, the inside of the second bearing seat 62 is provided with a second bearing 65, the second bearing seat 62 is connected with the outer ring of the second bearing 65, the inner ring of the second bearing 65 is provided with a fixing sleeve 66, the fixing sleeve 66 is arranged on the surface of the driving screw 41, the upper side surface of the fixed bottom plate 61 is provided with a mounting hole for mounting the limiting bolt 64, the limiting bolt 64 is in threaded connection with the mounting hole, the driving screw 41 is conveniently supported through the connecting unit 6, and the subsequent driving screw 41 is conveniently detached through the connecting unit 6.
Working principle: the output end is driven to rotate through the double-shaft motor 31, the transmission shaft 32 is driven to rotate, the worm 34 drives the worm wheel 35 meshed with the worm 34 to rotate through the transmission shaft 32, the transmission screw 41 is driven to rotate through the worm wheel 35, the driving nut 42 moves upwards along the surface thread direction of the transmission screw 41, the first connecting column 51 is driven to move upwards through the driving nut 42, the first connecting column 51 drives the sliding sleeve 52 to slide upwards on the surface of the sliding rail 53, the driving nut 42 drives the L-shaped lifting platform 2 to move upwards, the output end is driven to rotate reversely through the double-shaft motor 31, the transmission shaft 32 is driven to rotate reversely, the worm 34 drives the worm wheel 35 to rotate reversely through the transmission shaft 32, the driving screw 41 is driven to rotate reversely through the worm wheel 35, the driving nut 42 moves downwards along the surface thread direction of the transmission screw 41, the driving nut 42 drives the sliding sleeve 52 to slide downwards on the surface of the sliding rail 53 through the first connecting column 51, and the driving nut 42 drives the L-shaped lifting platform 2 to move downwards.
Example 2:
as shown in fig. 8, the difference between the embodiment 2 and the embodiment 1 is that the reinforcing unit 5 in the embodiment 2 is that the reinforcing unit 5 includes a second connecting column 55, a connecting sleeve 56 is fixedly disposed at an end of the second connecting column 55, a supporting column 57 is slidably disposed in the connecting sleeve 56, connecting plates 58 are fixedly disposed at both ends of the supporting column 57, connecting holes 59 are formed on the surfaces of the connecting plates 58 in a penetrating manner, the supporting column 57 is in a circular structure, the supporting column 57 is made of stainless steel, and the connecting plates 58 are fixedly mounted on the surfaces of the supporting column 57.
The principle of this embodiment is similar to embodiment 1, with the main differences: the second connecting post 55 is installed on the driving nut 42 through the connecting plate 58 and the connecting hole 59 on the lower side of the mounting plate 1, and when the driving nut 42 moves, the second connecting post 55 drives the connecting sleeve 56 to slide on the surface of the supporting post 57, and other principles are the same as those of the embodiment 1, and are not described herein.
Claims (9)
1. The screw transmission structure of home elevator is characterized by comprising
The mounting plate (1) and the L-shaped lifting platform (2);
the driving unit (3), the driving unit (3) is arranged at the position of the upper side surface of the mounting plate (1), the driving unit (3) comprises a double-shaft motor (31), a transmission shaft (32) is arranged at the output end of the double-shaft motor (31), an auxiliary supporting mechanism (33) is arranged on the surface of the transmission shaft (32), the auxiliary supporting mechanism (33) is connected at the position of the upper side surface of the mounting plate (1), a worm (34) is arranged at one end, far away from the double-shaft motor (31), of the transmission shaft (32), and a worm wheel (35) is arranged on the surface of the worm (34) in a meshed mode;
the screw unit (4), the screw unit (4) is arranged at the position inside the mounting plate (1), the screw unit (4) is connected to the worm wheel (35), the screw unit (4) comprises a transmission screw (41), a driving nut (42) is arranged on the surface of the transmission screw (41) in a threaded manner, and the driving nut (42) is arranged at the position of the rear side surface of the L-shaped lifting platform (2);
the reinforcing unit (5), the reinforcing unit (5) sets up the position at mounting panel (1) downside, reinforcing unit (5) are connected with driving nut (42) including spliced pole one (51) and the one end of spliced pole one (51), the spliced pole one (51) other end is provided with sliding sleeve (52), sliding sleeve (52) inside slip is provided with slide rail (53), be provided with fixed plate (54) and fixed plate (54) between slide rail (53) face in opposite directions and install at mounting panel (1) downside.
2. The screw driving structure of home elevators according to claim 1, wherein: the auxiliary supporting mechanism (33) comprises a first bearing seat (331), a fixing hole (332) is formed in the surface of the first bearing seat (331) in a penetrating mode, a fixing bolt (333) is arranged in the fixing hole (332), a first bearing (334) is arranged in the first bearing seat (331) and is connected with an outer ring of the first bearing (334), and an inner ring of the first bearing (334) is connected to the surface of the transmission shaft (32).
3. The screw driving structure of home elevators according to claim 1, wherein: the utility model discloses a drive screw (41) surface is provided with connecting element (6), connecting element (6) are including PMKD (61), PMKD (61) upper side overlap joint is provided with bearing frame two (62), the side runs through on bearing frame two (62) and is provided with spacing hole (63), spacing hole (63) inside overlap joint is provided with spacing bolt (64), bearing frame two (62) inside is provided with bearing frame two (65) and bearing frame two (62) are connected with the outer lane of bearing frame two (65), bearing frame two (65) inner circle is provided with fixed cover (66) and fixed cover (66) are installed on drive screw (41) surface.
4. The screw driving structure of home elevators according to claim 1, wherein: the number of the transmission screws (41) is two and the transmission screws are symmetrically distributed, the transmission screws (41) are installed inside the installation plate (1) through rotating bearings, and the transmission screws (41) are fixedly installed inside the worm wheel (35).
5. The screw driving structure of home elevators according to claim 4, wherein: the number of the first connecting columns (51) is two and the first connecting columns are symmetrically distributed, the first connecting columns (51) are fixedly connected with the driving nuts (42), and the first connecting columns (51) are made of metal materials.
6. The screw driving structure of home elevators according to claim 1, wherein: the sliding rail (53) is positioned on the rear side surface of the L-shaped lifting platform (2), the sliding rail (53) is not contacted with the L-shaped lifting platform (2), and the sliding rail (53) is in lap joint with the lower side surface of the mounting plate (1).
7. A screw drive structure of a home elevator according to claim 3, characterized in that: the side face of the fixed bottom plate (61) is provided with a mounting hole for mounting a limit bolt (64), and the limit bolt (64) is in threaded connection with the mounting hole.
8. The screw driving structure of home elevators according to claim 1, wherein: the reinforcing unit (5) comprises a connecting column II (55), a connecting sleeve (56) is arranged at the end part of the connecting column II (55), a supporting column (57) is arranged inside the connecting sleeve (56) in a sliding mode, connecting plates (58) are arranged at two ends of the supporting column (57), and connecting holes (59) are formed in the surface of the connecting plates (58) in a penetrating mode.
9. The screw driving structure of home elevators according to claim 8, wherein: the support column (57) is of a round structure, the support column (57) is made of stainless steel, and the connecting plate (58) is fixedly arranged on the surface of the support column (57).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321208485.4U CN219771645U (en) | 2023-05-18 | 2023-05-18 | Screw transmission structure of home elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321208485.4U CN219771645U (en) | 2023-05-18 | 2023-05-18 | Screw transmission structure of home elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219771645U true CN219771645U (en) | 2023-09-29 |
Family
ID=88137202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321208485.4U Active CN219771645U (en) | 2023-05-18 | 2023-05-18 | Screw transmission structure of home elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219771645U (en) |
-
2023
- 2023-05-18 CN CN202321208485.4U patent/CN219771645U/en active Active
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