CN212050073U

CN212050073U - Horseshoe-shaped car frame structure of villa elevator

Info

Publication number: CN212050073U
Application number: CN201922302509.2U
Authority: CN
Inventors: 张凡
Original assignee: Fujian Kuaike Urban Construction Additional Elevator Co ltd
Current assignee: Fujian Kuaike Urban Construction Additional Elevator Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-12-01
Anticipated expiration: 2029-12-20

Abstract

The utility model relates to a villa elevator horseshoe-shaped car frame structure, including car frame, lifting screw, lifting nut and the power supply system that are used for fixing the car, the lifting screw is vertically fixed in the well, the lifting nut is installed at the rear end of car frame and forms the rolling screw pair with the lifting screw looks spiro union, the upper end of car frame is installed the elevator motor, the elevator motor drives the lifting nut to rotate through worm gear mechanism; the power supply system comprises a control module, an electric storage module and a charging pile, wherein the electric storage module is arranged at the top of the car frame and used for supplying power to the lifting motor, and the charging pile is arranged at the elevator landing and used for charging the electric storage module. The utility model discloses a rolling screw between lifting screw and the lifting nut is vice to drive the lift car frame and goes up and down, and simple structure, simple to operate require for a short time to the well structure.

Description

Horseshoe-shaped car frame structure of villa elevator

The technical field is as follows:

the utility model relates to a villa elevator horseshoe-shaped car frame structure.

Background art:

along with the improvement of living standard of people, more and more people move into the family villa to live in order to conveniently go upstairs and downstairs and carry heavy objects between the floors, can select to install the elevator in the family villa. However, the existing elevator usually adopts the steel cable hoisting structure as the transmission mechanism and the lifting mechanism, such transmission mechanism needs to design a special shaft, and the steel cable hoisting structure needs to be installed on the shaft and the elevator after the shaft is designed, and the shaft has a complex structure, and needs higher cost and larger space when the shaft is excavated and the steel cable hoisting structure is installed, so that the elevator is not suitable for being used in a household villa.

The utility model has the following contents:

the utility model discloses make the improvement to the problem that above-mentioned prior art exists, promptly the utility model aims to solve the technical problem that a villa elevator horseshoe car frame structure is provided, structural design is reasonable, and is little to the well requirement.

In order to realize the purpose, the utility model discloses a technical scheme is: a horseshoe-shaped car frame structure of a villa elevator comprises a car frame for fixing a car, a lifting screw, a lifting nut and a power supply system, wherein the lifting screw is vertically fixed in a hoistway; the power supply system comprises a control module, an electric storage module and a charging pile, wherein the electric storage module is arranged at the top of the car frame and used for supplying power to the lifting motor, and the charging pile is arranged at the elevator landing and used for charging the electric storage module.

Furthermore, the charging pile takes three-phase alternating current commercial power at an elevator landing as a power supply, an inversion module is arranged in the charging pile, and the inversion module converts the commercial power into direct current and outputs the direct current to the power output end of the charging pile; a charging plug capable of being ejected out is arranged at a charging circuit of the power storage module; when the time that the car stops at the elevator landing is greater than the threshold value, the charging bolt pops up and inserts at the electric power output end that fills electric pile, makes the electric power storage module charge in filling electric pile department.

Furthermore, an emergency power supply pile is arranged at the bottom of the well, the emergency power supply pile takes three-phase alternating current mains supply as a power supply, and a storage battery is arranged on the emergency power supply pile; when the electric storage module is charged in the charging pile, the electric storage module monitors the condition of commercial power supply; when the commercial power fails, the lift car prompts passengers to leave the lift car after arriving at a lift landing, and the passengers automatically stop at the bottom of a well after all the passengers leave, and the emergency power supply pile is connected with the electric storage module to supply emergency power to the lift car through a storage battery carried by the emergency charging pile and charge the electric storage module; the battery and the vehicle-mounted inverter which are arranged in the electric power storage module are arranged at the top of the car frame, and the selectable types of the batteries comprise lithium iron phosphate batteries or ternary lithium iron batteries.

Furthermore, the power supply system also comprises a display screen which can display the working conditions of the charging pile at the shaft and the inverter built in the power storage module; the power supply system can also monitor the working conditions of the charging pile and the inverter built in the electric storage module at the hoistway through a remote monitoring device; the remote monitoring device comprises one or more of an RS232 device, an RS485 device, a mobile phone, an SNMP device or a GSM communication device.

Furthermore, the car frame is of a horseshoe structure and comprises a fixed upright post, and an upper car frame plate and a lower car frame plate are fixedly connected to the upper end and the lower end of the fixed upright post respectively; the car is fixed between the car frame upper plate and the car frame lower plate.

Furthermore, the mounting plate is fixedly connected to the upper end of the rear side face of the fixed upright post, the lifting motor is fixed to the mounting plate, the worm and gear mechanism comprises a worm and a worm wheel, the worm is fixedly connected with a motor shaft of the lifting motor, the worm wheel is fixedly connected with the lifting nut, and the worm is meshed with the worm wheel.

Furthermore, the mounting panel is located the below of lift nut, is provided with thrust bearing between mounting panel and the lift nut to reduce the frictional force of terminal surface under the lift nut rotation.

Further, a linear bearing in sliding fit with the lifting screw is vertically arranged below the mounting plate, the upper portion, the middle portion and the lower portion of the linear bearing are fixedly connected with the rear side face of the fixed upright post through the fixed plate respectively, and the bottom end face of the linear bearing is flush with the bottom end face of the lower plate of the car frame.

Furthermore, the left end and the right end of the hoistway are respectively provided with a T-shaped guide rail which is vertically arranged, and the T-shaped guide rails are supported by a guide rail bracket; the elevator guide shoe is in sliding fit with the T-shaped guide rail, and the center of the lifting screw, the center of the T-shaped guide rail, the center of the car frame straight beam and the centers of the elevator guide shoes at the upper end and the lower end are all on the same plane.

Further, the well adopts the sightseeing well, the car adopts the sightseeing car, and well, car all adopt glass and steel panels integral structure.

Compared with the prior art, the utility model discloses following effect has: (1) the utility model drives the lift car frame to lift through the rolling screw pair between the lifting screw rod and the lifting nut, has simple structure, convenient installation and small requirement on the well structure; (2) the linear bearing arranged at the rear end of the car frame enables the range of the bending stress borne by the lifting screw to extend from the length of the lifting nut to the bottom end face of the car frame, so that the stress state of the lifting screw is greatly improved, and the bending strength and the compression bar stability of the lifting screw are effectively improved; (3) because the hoistway is provided with the charging pile and the emergency power supply pile, the elevator can still send passengers to a required landing even if the commercial power fails.

Description of the drawings:

fig. 1 is a schematic plan layout view of a first embodiment of the present invention;

FIG. 2 is a schematic view of a first embodiment of the present invention

Fig. 3 is a schematic view of the construction of fig. 2 with the hoistway and the car omitted;

fig. 4 is a schematic perspective view of a car frame according to an embodiment of the present invention;

fig. 5 is a schematic view of a first embodiment of the present invention in a use state;

fig. 6 is a schematic circuit diagram of an inverter circuit according to an embodiment of the present invention;

fig. 7 is a schematic plan layout view of a second embodiment of the present invention.

In the figure:

1-a well; 2-a car frame; 3-a car; 4-lifting screw; 5-lifting nut; 6-a lifting motor; 7-mounting a plate; 8-an electric storage module; 9-linear bearings; 10-a worm; 11-a worm gear; 12-a thrust bearing; 13-an elevator landing; 14-a storage battery; 15-emergency power supply pile; 21-car doors; 22-hall door; 31-a battery; 32-vehicle mounted inverter; 33-a control module; 34-a charging pile; 71-fixing the upright post; 72-a fixed plate; 73-car frame upper plate; 74-car frame lower panel; 75-a cover plate; 80-traction central plane; 81-car frame straight beam; 82-T shaped guide rails; 83-a guide rail bracket; 100-connecting column.

The specific implementation mode is as follows:

the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1 to 6, the horseshoe-shaped car frame structure of a villa elevator of the present invention comprises a car frame 2 for fixing a car 3, a lifting screw 4, a lifting nut 5 and a power supply system, wherein the lifting screw 4 is vertically fixed in a hoistway 1, the lifting nut 5 is installed at the rear end of the car frame 2 and is screwed with the lifting screw 4 to form a rolling screw pair, the lifting motor 6 is installed at the upper end of the car frame 2, the lifting nut 5 is driven to rotate by the lifting motor 6 through a worm and gear mechanism, and the lifting screw 4 is fixed, so that the lifting nut 5 can vertically move up and down along the axial direction of the lifting screw 4 while rotating, and further the car frame 2 is driven to lift; the power supply system comprises a control module 33, an electric storage module 8 and a charging pile 34, wherein the electric storage module 8 is arranged at the top of the car frame 3 and used for supplying power to the lifting motor +, the charging pile 34 is arranged at the elevator landing 13, and when the car 3 stops at the elevator landing 13, the charging pile 34 is close to a charging circuit of the electric storage module 8 and used for charging the electric storage module 8.

In this embodiment, the charging pile 34 uses a three-phase alternating current commercial power at the elevator landing 13 as a power supply, an inverter module is arranged in the charging pile 34, and the inverter module converts the commercial power into a direct current and outputs the direct current to the power output end of the charging pile; a charging plug capable of being ejected out is arranged at a charging circuit of the electric power storage module 8; when the time that the car stops at the elevator landing is greater than the threshold value, the charging bolt pops up and inserts at the electric power output end that fills electric pile, makes the electric power storage module charge in filling electric pile department.

In this embodiment, the bottom of well 1 is equipped with emergency power supply stake 15, emergency power supply stake 15 uses three-phase alternating current commercial power as the power, and emergency power supply stake is from taking battery 14. When the electric storage module 8 is charged in the charging pile 34, the electric storage module 8 monitors the condition of commercial power supply; when the commercial power is failed, the car 3 prompts passengers to leave the car 3 after arriving at the elevator landing 13, and the passengers automatically stop at the bottom of the hoistway 1 after all the passengers leave, the emergency power supply pile 15 is connected with the electric storage module 8, so that the emergency power is supplied to the car 3 through the storage battery 14 of the emergency power supply pile 15, and the electric storage module 8 is charged.

In this embodiment, the battery 31 and the vehicle-mounted inverter 32 built in the electric storage module 8 are both disposed on the top of the car frame upper plate 73, and the selectable types of the battery 31 include a lithium iron phosphate battery or a ternary lithium iron phosphate battery. Preferably, the power storage module 8 is a vehicle-mounted power storage module incorporating a lithium battery.

In this embodiment, the power supply system further includes a display screen capable of displaying the working conditions of the charging pile 34 at the hoistway and the vehicle-mounted inverter 32 built in the power storage module 8; the power supply system can also monitor the working conditions of the charging pile and the inverter built in the electric storage module at the hoistway through a remote monitoring device; the remote monitoring device comprises one or more of an RS232 device, an RS485 device, a mobile phone, an SNMP device or a GSM communication device.

In this embodiment, the car 3 is a light car combined by light alloy members, no power supply cable is provided at the car 3 to reduce the self weight of the car, and if the lifting motor is an ac motor, a vehicle-mounted inverter is built in the electric storage module to output electric power to the lifting, and the vehicle-mounted inverter is an inverter supporting three-phase unbalanced loading, power-frequency pure sine wave output, and high start peak power.

In the present embodiment, the power storage module 8 is provided with a battery detection module connected to the control module 33; when the control module detects that the temperature of the lithium battery of the power storage module is abnormal through the battery detection module, the control module enables the lift car to automatically stop at the nearest elevator landing and opens the elevator door so that passengers can escape.

In this embodiment, when the elevator is in a non-operating state or the electric quantity of the elevator power storage module is lower than a threshold value, the car automatically stops at the base of the hoistway, the power storage module is charged by an inverter at the base, the inverter uses commercial power as a power supply, and the charging mode of the inverter includes a low-current mode, a long-time mode, a three-stage charging mode, a constant-current mode, a constant-voltage mode and a floating charging mode.

In the present embodiment, a cover plate covering the outside of the power storage module 8 is fixedly attached to the top of the car frame upper plate to protect the power storage module 8.

The specific implementation process of the power supply system comprises the following steps: the car 3 automatically stops at the elevator landing 13 for standby when idle, if the idle standby time exceeds a threshold value, the charging plug of the electric storage module 8 is ejected and inserted at the power output end of the charging pile 34 of the elevator landing 13, and the battery 31 in the electric storage module is charged. When the elevator lobby sends a call request, if the electric quantity of the electric storage module 8 is enough, the electric storage module 8 withdraws the charging plug, the lifting motor 6 is started, and the elevator is driven to drive the elevator lobby which sends the call request to carry passengers. When the commercial power fails, the charging piles 34 of the elevator landings 13 are powered off, after the electric storage modules 8 of the car 3 monitor the commercial power failure through the charging piles 34, the car 3 prompts passengers to leave the car 3 after arriving at the elevator landings 13, and automatically runs to stay at the bottom of the hoistway 1 after all the passengers leave, the emergency power supply piles 15 are connected with the electric storage modules 8, so that the storage batteries 14 of the emergency charging piles 15 provide emergency power for the car 3, the electric storage modules 8 of the car 3 are charged, and at the moment, the car 6 only responds to the emergency call request of the elevator lobby. The built-in inversion module of the charging pile is an inverter used by a sine wave vehicle-mounted inverter power supply.

In this embodiment, the car frame 2 is a horseshoe structure, the car frame 3 includes a fixed upright 71, and the upper and lower ends of the fixed upright 71 are respectively and fixedly connected with a car frame upper plate 73 and a car frame lower plate 74; the car 3 is fixed between the car frame upper plate 73 and the car frame lower plate 74. The car frame 2 is of a horseshoe-shaped structure, so that the whole elevator structure is attractive, and most parts of the household villa elevator can be manufactured and assembled on a manufacturing line of a manufacturing plant.

In this embodiment, the mounting plate 7 is fixedly connected to the upper end of the rear side surface of the fixed upright column 71, the lifting motor + is fixed to the mounting plate 7, the worm and gear mechanism includes a worm 10 and a worm wheel 11, the worm 10 is fixedly connected to a motor shaft of the lifting motor +, the worm wheel 11 is fixedly connected to the lifting nut 5, and the worm is meshed with the worm wheel.

In this embodiment, the mounting plate 7 is located below the lifting nut 5, and a thrust bearing 12 is disposed between the mounting plate 7 and the lifting nut 5 to reduce friction of the lower end surface when the lifting nut rotates.

In this embodiment, a linear bearing 9 slidably engaged with the lifting screw 4 is vertically disposed below the mounting plate 7, the upper portion, the middle portion, and the lower portion of the linear bearing 9 are respectively and fixedly connected to the rear side surface of the fixed upright 71 via a fixed plate 72, and the bottom end surface of the linear bearing 9 is flush with the bottom end surface of the car frame lower plate 74. The fixing plates 72 are distributed on the upper part, the middle part and the lower part of the car frame 2, so that the linear bearings 9 for supporting the lifting screws 4 can be ensured to be in absolute rigid connection with the car frame straight beams 81, the linear bearings 9 enable the lifting screws 4 to bear bending stress, the range of the bending stress extends to the bottom end face (larger than 2000 mm) of the car frame 2 from the length of the lifting nuts 5, the stress state of the lifting screws 4 is greatly improved, and the bending strength and the compression bar stability of the lifting screws 4 are effectively improved.

In this embodiment, the T-shaped guide rails 82 arranged vertically are respectively installed at the left and right ends of the hoistway 1, and the T-shaped guide rails 82 are supported and fixed on the rear side wall of the hoistway 1 by the guide rail brackets 83; the left end and the right end of the fixed upright column 71 are fixedly connected with a vertically arranged car frame straight beam 81, the upper end and the lower end of the car frame straight beam 81 are respectively provided with an elevator guide shoe, the elevator guide shoes are in sliding fit with the T-shaped guide rail 82, and the center of the lifting screw 4, the center of the T-shaped guide rail 82, the center of the car frame straight beam 81 and the centers of the elevator guide shoes at the upper end and the lower end are all on the same surface, namely the car frame traction central surface 80.

In this embodiment, the side opening has been seted up to lifting nut 5's lateral wall, the reverser has been inlayed in the side opening, forms steel ball circulation channel, and frictional resistance is little, and transmission efficiency is high (can reach more than 90%), and steady operation does not have during the start-up and quivers, does not crawl during the low-speed, is applicable to very much the frequent characteristic of home use elevator flat bed start-up, and passenger's comfort level is good. The outer diameter of the lifting nut is approximately the same as that of the sliding screw pair, the adjustment of the clearance and the pre-tightening of the lifting nut are convenient, and the work is reliable.

In the embodiment, the well is a sightseeing well, and the car is a sightseeing car; well, car and car door all adopt glass and steel panel integral structure, possess pleasing to the eye and sightseeing function simultaneously. The well adopts totally enclosed glass well, and the car is totally enclosed direction of height and is furnished with the car door. It should be noted that, in order to ensure the safety of the old and young passengers, it is not recommended to cancel the car and the car door. In this embodiment, the car can be set to a height direction semi-closed structure, at this time, the bridge roof device is not provided, the car wall plate and the car door are only the lower half part, the height is larger than 1200 mm, and the surrounding handrails are additionally arranged. The hall door in the embodiment can be set as a driven hall door or an outward opening type driving hall door and is provided with a door opening button and an automatic door closer.

In this embodiment, the lifting motor 6 is a dc motor; the direct current motor is adopted to provide the driving force for the elevator of the household villa, so that the traveling cable can be omitted, and the requirements of beauty and sightseeing are met. More importantly, the elevator is suitable for frequent leveling and starting of the elevator and the characteristic of no-load or full-load unbalance, and the comfort level of passengers is good.

The utility model has the advantages that: (1) the car frame is driven to lift through the rolling screw pair between the lifting screw rod and the lifting nut, the structure is simple, the installation is convenient, and the requirement on the well structure is low; (2) the car frame is driven by the rolling screw pair, so that the friction resistance is small, the transmission efficiency is high (up to more than 90 percent), the operation is stable, the elevator is very suitable for the characteristic of frequent flat-layer starting of the household elevator, and the comfort level of passengers is good; (3) the linear bearing arranged at the rear end of the car frame enables the range of the bending stress borne by the lifting screw to extend from the length of the lifting nut to the bottom end face of the car frame, so that the stress state of the lifting screw is greatly improved, and the bending strength and the compression bar stability of the lifting screw are effectively improved; (4) because the charging pile and the emergency power supply pile are arranged at the hoistway, even if the commercial power fails, the elevator can still send passengers to a required landing; (5) the direct current motor is adopted to provide the driving force of the elevator, so that a traveling cable can be omitted, and the requirements of attractiveness and sightseeing are met.

In this embodiment, the specific working method is as follows:

(1) the elevator rises: the lifting motor 6 drives the lifting nut 5 to rotate in the positive direction through the worm gear mechanism, the lifting nut 5 moves upwards along the lifting screw rod 4 while rotating in the positive direction, and the lifting nut 5 drives the car frame 2 and the car 3 to move upwards synchronously, so that the elevator ascends;

(2) descending of the elevator: the lifting motor 6 drives the lifting nut 5 to rotate reversely through the worm gear mechanism, the lifting nut 5 moves downwards along the lifting screw rod 4 while rotating reversely, and the lifting nut 5 drives the car frame 2 and the car 3 to move downwards synchronously, so that the elevator descends.

Example two: as shown in fig. 7, the present embodiment is different from the first embodiment in that: the rear end of the well is of an unclosed structure, the original building wall surface is directly utilized, the rear end of the well forms a closed structure with the wall surface through the connecting column 100, the guide rail support 83 is welded with an embedded part or a steel bar of the original building wall surface, and the stability and the perpendicularity of the T-shaped guide rail 82 are guaranteed.

The utility model discloses if disclose or related to mutual fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.

The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. The utility model provides a villa elevator horseshoe shape car frame structure which characterized in that: the elevator car frame comprises a car frame for fixing a car, a lifting screw, a lifting nut and a power supply system, wherein the lifting screw is vertically fixed in a hoistway, the lifting nut is installed at the rear end of the car frame and is in threaded connection with the lifting screw to form a rolling screw pair, the upper end of the car frame is provided with a lifting motor, and the lifting motor drives the lifting nut to rotate through a worm and gear mechanism; the power supply system comprises a control module, an electric storage module and a charging pile, wherein the electric storage module is arranged at the top of the car frame and used for supplying power to the lifting motor, and the charging pile is arranged at the elevator landing and used for charging the electric storage module.

2. The villa elevator horseshoe car frame structure of claim 1, characterized in that: the charging pile takes three-phase alternating current commercial power at an elevator landing as a power supply, an inversion module is arranged in the charging pile, and the inversion module converts the commercial power into direct current and outputs the direct current to the power output end of the charging pile; a charging plug capable of being ejected out is arranged at a charging circuit of the power storage module; when the time that the car stops at the elevator landing is greater than the threshold value, the charging bolt pops up and inserts at the electric power output end that fills electric pile, makes the electric power storage module charge in filling electric pile department.

3. The villa elevator horseshoe car frame structure of claim 2, characterized in that: an emergency power supply pile is arranged at the bottom of the hoistway, the emergency power supply pile takes three-phase alternating current mains supply as a power supply, and a storage battery is arranged on the emergency power supply pile; when the electric storage module is charged in the charging pile, the electric storage module monitors the condition of commercial power supply; when the commercial power fails, the lift car prompts passengers to leave the lift car after arriving at a lift landing, and the passengers automatically stop at the bottom of a well after all the passengers leave, and the emergency power supply pile is connected with the electric storage module to supply emergency power to the lift car through a storage battery carried by the emergency charging pile and charge the electric storage module; the battery and the vehicle-mounted inverter which are arranged in the electric power storage module are arranged at the top of the car frame, and the selectable types of the batteries comprise lithium iron phosphate batteries or ternary lithium iron batteries.

4. The villa elevator horseshoe car frame structure of claim 2, characterized in that: the power supply system also comprises a display screen which can display the working conditions of the charging pile at the hoistway and the inverter built in the electric storage module; the power supply system can also monitor the working conditions of the charging pile and the inverter built in the electric storage module at the hoistway through a remote monitoring device; the remote monitoring device comprises one or more of an RS232 device, an RS485 device, a mobile phone, an SNMP device or a GSM communication device.

5. The villa elevator horseshoe car frame structure of claim 1, characterized in that: the car frame is of a horseshoe-shaped structure and comprises a fixed upright post, and an upper car frame plate and a lower car frame plate are fixedly connected to the upper end and the lower end of the fixed upright post respectively; the car is fixed between the car frame upper plate and the car frame lower plate.

6. The villa elevator horseshoe car frame structure of claim 5, characterized in that: the upper end of the rear side face of the fixed upright post is fixedly connected with an installation plate, the lifting motor is fixed on the installation plate, the worm and gear mechanism comprises a worm and a worm wheel, the worm is fixedly connected with a motor shaft of the lifting motor, the worm wheel is fixedly connected with a lifting nut, and the worm is meshed with the worm wheel.

7. The villa elevator horseshoe car frame structure of claim 6, characterized in that: the mounting panel is located the below of lift nut, is provided with thrust bearing between mounting panel and the lift nut to the frictional force of terminal surface under when reducing the lift nut rotation.

8. The villa elevator horseshoe car frame structure of claim 6, characterized in that: the linear bearing in sliding fit with the lifting screw is vertically arranged below the mounting plate, the upper portion, the middle portion and the lower portion of the linear bearing are fixedly connected with the rear side face of the fixed upright post through the fixed plate respectively, and the bottom end face of the linear bearing is flush with the bottom end face of the car frame lower plate.

9. The villa elevator horseshoe car frame structure of claim 5, characterized in that: the left end and the right end of the hoistway are respectively provided with a T-shaped guide rail which is vertically arranged, and the T-shaped guide rails are supported by a guide rail bracket; the elevator guide shoe is in sliding fit with the T-shaped guide rail, and the center of the lifting screw, the center of the T-shaped guide rail, the center of the car frame straight beam and the centers of the elevator guide shoes at the upper end and the lower end are all on the same plane.

10. The villa elevator horseshoe car frame structure of claim 1, characterized in that: the well adopts the sightseeing well, the car adopts the sightseeing car, and well, car all adopt glass and steel panels integral structure.