CN220465205U

CN220465205U - Lifting mechanism for limo

Info

Publication number: CN220465205U
Application number: CN202321895209.XU
Authority: CN
Inventors: 肖和平; 胡青青
Original assignee: Jiangsu Sanjo Intelligent Technology Co ltd
Current assignee: Jiangsu Sanjo Intelligent Technology Co ltd
Priority date: 2023-07-19
Filing date: 2023-07-19
Publication date: 2024-02-09
Anticipated expiration: 2033-07-19

Abstract

The utility model belongs to the technical field of car as a house accessories, and relates to a lifting mechanism of a car as a house skylight, which comprises an electric driving structure and a manual driving structure, wherein the car as a house skylight comprises a window body and a top cover; the lifting mechanism drives the top cover to rotate upwards to open the air duct of the window body or rotate downwards to close the air duct of the window body; the electric driving structure comprises a screw, a first cantilever, a second cantilever and a motor, the manual driving structure comprises a gear set and a handle, the screw is horizontally arranged at the rear side of the window body along the width direction of the caravan, the bottom end of the first cantilever is in threaded connection with the screw through a first sliding block, the bottom end of the second cantilever is in threaded connection with the screw through a second sliding block, the top ends of the first cantilever and the second cantilever are both connected with the top cover, the first cantilever and the second cantilever are arranged in a crossing manner, and the output end of the motor is connected with one end of the screw; the input end of the gear set is connected with the handle, and the output end of the gear set is connected with one end of the screw rod, which is far away from the motor; the screw drives the first cantilever and the second cantilever to move toward or away from each other.

Description

Lifting mechanism for limo

Technical Field

The utility model belongs to the technical field of car as a house accessories, and particularly relates to a lifting mechanism of a car as a house skylight.

Background

The car as a house skylight is installed in the roof, can effectually make the interior circulation of air of car, increases fresh air's entering, brings healthy, comfortable enjoyment for the user, and car as a house skylight is one of the important car as a house accessories that the user pays attention to when purchasing the car as a house, and the user is higher and higher to the requirement of car as a house skylight. In order to meet the demands of users, the existing car sunroof is generally opened and closed electrically, but is only controlled electrically, and if the car sunroof is in case of power failure and other emergency conditions, the car sunroof cannot be started electrically, so that great inconvenience and potential safety hazard are caused to the users. The application number of the applied patent is CN2023205411245, a skylight for a motor home is disclosed, the skylight can be opened and closed electrically and can be opened and closed manually, a handle is rotated during manual opening and closing, and power is transmitted to a lifting driving assembly through a flexible shaft by the handle so as to open or close the skylight, so that the problem that the skylight cannot be started during power-off under pure electric control can be solved, but the manual opening and closing process is laborious and inconvenient to operate.

Disclosure of Invention

The utility model provides a lifting mechanism for a limo, which aims to solve the problem that manual opening and closing of the limo are laborious in the prior art.

The utility model has the innovation point that the inventor finds that the reason for causing the manual opening and closing of the sunroof of the motor home is the arrangement of the flexible shaft, and the flexible shaft has low transmission efficiency, so that the handle transmits power to the lifting driving assembly through the flexible shaft to open or close the sunroof, thereby causing the problem of laborious manual opening and closing.

In order to solve the technical problems, the technical scheme adopted by the utility model is that the lifting mechanism of the car as a house skylight comprises an electric driving structure and a manual driving structure, wherein the car as a house skylight comprises a window body and a top cover; the window body is penetrated with an air channel, the front end of the top cover is hinged with the front end of the window body, the top cover is arranged above the air channel, and the lifting mechanism is used for driving the top cover to rotate upwards to open the air channel or rotate downwards to close the air channel;

the electric driving structure comprises a screw, a first cantilever, a second cantilever and a motor, the manual driving structure comprises a gear set and a handle, the screw is horizontally arranged at the rear side of the window body along the width direction of the caravan, the bottom end of the first cantilever is in threaded connection with the screw through a first sliding block, the bottom end of the second cantilever is in threaded connection with the screw through a second sliding block, the top ends of the first cantilever and the second cantilever are connected with a top cover, the first cantilever and the second cantilever are arranged in a crossed mode, and the output end of the motor is connected with one end of the screw; the input end of the gear set is connected with the handle, and the output end of the gear set is connected with one end of the screw far away from the motor; the first and second cantilevers are driven to move toward each other or to move away from each other when the screw is rotated.

Preferably, the gear set comprises a first bevel gear and a second bevel gear which are meshed with each other, the first bevel gear is connected with the screw, the second bevel gear is connected with the handle, and the handle faces downwards vertically and is exposed in the caravan. The gear set has the advantages of simple and reliable structure, stable transmission and high transmission efficiency, and particularly, compared with the flexible shaft, the gear set has the advantages of obviously improved transmission efficiency, and labor saving and convenience in handle operation.

Further, the output end of the motor is in transmission connection with the screw rod, the screw rod is in transmission connection with the first bevel gear, and the second bevel gear is in transmission connection with the handle through the square shaft and the shaft sleeve. The lifting mechanism is convenient to install, and the transmission is stable and reliable.

Preferably, the screw is made of plastic, the screw is integrally formed through injection molding, the screw is provided with a plurality of fractures around the screw teeth in the circumferential direction, the fractures are distributed at intervals along the circumferential direction of the screw, and the fractures are distributed in a straight line along the axial direction of the screw. The setting of fracture drawing of patterns when being convenient for the screw rod injection molding, and be favorable to overcoming the defect of shrink of moulding plastics, improve the quality of screw rod by a wide margin, it is to be noted that, this screw rod is used for low-speed scene, and consequently the screw thread has the fracture to do not influence first slider and the stable sliding motion of second slip on the screw rod.

Preferably, the screw is provided with a first limiting part, a second limiting part, a third limiting part and a fourth limiting part in sequence along the axial direction of the screw, the first sliding block is arranged between the first limiting part and the second limiting part, the second sliding block is arranged between the third limiting part and the fourth limiting part, the first limiting part and the fourth limiting part are fixedly connected with the window body, the window body is provided with a supporting frame, the supporting frame is arranged between the second limiting part and the third limiting part, and the supporting frame is provided with a groove matched with the screw. The safe travel of the first sliding block and the second sliding block is effectively limited, and meanwhile, the screw is supported stably and reliably, so that the safe and stable operation of the lifting mechanism is ensured.

Preferably, the top ends of the first cantilever and the second cantilever are connected with the top cover through mounting seats, the mounting seats comprise fixed parts and movable parts which are rotationally connected, the rotation axis of the fixed parts faces the width direction of the caravan, the fixed parts are fixedly connected with the top cover, and the top ends of the first cantilever and the second cantilever are rotationally connected with the corresponding movable parts respectively. The top ends of the first cantilever and the second cantilever are flexibly connected with the top cover by the mounting seat, and the defect of direct rigid connection is overcome.

Preferably, the lifting mechanism is arranged at the rear of the air duct, a baffle is arranged on the rear side wall of the air duct, and the baffle is arranged between the lifting mechanism and the air duct. The lifting mechanism is reasonable and compact in layout, and the arrangement of the baffle can effectively prevent wind in the air duct from directly blowing to the lifting mechanism, so that the lifting mechanism is effectively protected.

The beneficial effects are that:

1. according to the lifting mechanism of the motor home skylight, when manual control is needed, particularly under the condition of power failure, the handle is only required to be manually rotated in the motor home, the screw is driven to rotate by the handle through the gear set, the first sliding block and the second sliding block are driven to slide along the screw after the screw rotates, when the first sliding block and the second sliding block are close to or far away from each other and slide, the first cantilever and the second cantilever are driven to upwards drive the top cover to rotate and open, or the top cover is driven to downwards drive the top cover to rotate and close, the gear set is stable in transmission, the transmission efficiency is high, and particularly compared with the flexible shaft transmission efficiency, the improvement is remarkable, and the manual operation is labor-saving and convenient;

2. the lifting mechanism of the car as a house skylight has reasonable and compact overall layout, simple and reliable structure, stable operation and lower cost;

3. according to the lifting mechanism of the car as a house skylight, the screw rod is arranged on the window body along the direction perpendicular to the rotation axis of the top cover, namely, the sliding direction of the first sliding block and the second sliding block is perpendicular to the stress direction of the top cover, so that the lifting reliability and stability are greatly improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic side view of a lift mechanism of a caravan skylight of the present utility model;

FIG. 2 is a schematic perspective view of the lift mechanism of the sunroof of the present utility model with the top cover removed;

FIG. 3 is a schematic perspective view of a window body of a lifting mechanism of a sunroof of a motor home according to the present utility model;

FIG. 4 is a schematic perspective view of the lift mechanism of the sunroof of the present utility model with the window and top cover removed;

fig. 5 is another angular perspective view of fig. 4.

In the figure: 1. 1-1 parts of electric driving structures, 1-1 parts of screw rods, 1-1 parts of fractures, 1-2 parts of first cantilevers, 1-3 parts of second cantilevers, 1-4 parts of motors, 1-5 parts of motors, 1-4 parts of first sliders, 1-6 parts of second sliders, 1-7 parts of first limiting parts, 1-8 parts of second limiting parts, 1-9 parts of third limiting parts, 1-10 parts of fourth limiting parts, 1-11 parts of supporting frames, 1-12 parts of installing seats, 1-12-1 parts of fixing parts, 1-12-2 parts of movable parts, 2 parts of manual driving structures, 2-1 parts of gear sets, 2-1-1 parts of first bevel gears, 2-1-2 parts of second bevel gears, 2-3 parts of handles, 2-4 parts of square shafts, 2-5 parts of shaft sleeves, 2-6 parts of gear boxes, 3 parts of windows, 3-1 parts of air channels, 3-2 parts of baffles, 4 parts of top covers.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

As shown in fig. 1 to 5, for convenience of description, in this embodiment, the lifting mechanism uses the direction of the head of the caravan as the front, and includes an electric driving structure 1 and a manual driving structure 2, where the caravan includes a window 3 and a top cover 4, and the window 3 in this embodiment is disposed at the top of the caravan; the window body 3 is penetrated with an air duct 3-1, the air duct 3-1 is communicated with the inside and the outside of the caravan, the front end of the top cover 4 is hinged with the front end of the window body 3, the top cover 4 is arranged above the air duct 3-1, and the lifting mechanism is used for driving the top cover 4 to rotate upwards to open the air duct 3-1 or rotate downwards to close the air duct 3-1; the electric driving structure 1 comprises a screw 1-1, a first cantilever 1-2, a second cantilever 1-3 and a motor 1-4, wherein the manual driving structure 2 comprises a gear set 2-1 and a handle 2-3, the screw 1-1 is horizontally arranged at the rear side of a window 3 along the width direction of a motor home, the bottom end of the first cantilever 1-2 is in threaded connection with the screw 1-1 through a first sliding block 1-5, the bottom end of the second cantilever 1-3 is in threaded connection with the screw 1-1 through a second sliding block 1-6, the top ends of the first cantilever 1-2 and the second cantilever 1-3 are connected with a top cover 4, the first cantilever 1-2 and the second cantilever 1-3 are arranged in a crossing mode, and the output end of the motor 1-4 is connected with one end of the screw 1-1; the input end of the gear set 2-1 is connected with the handle 2-3, and the output end of the gear set 2-1 is connected with one end of the screw 1-1 far away from the motor 1-4; the first boom 1-2 and the second boom 1-3 are driven to move toward each other or to move away from each other when the screw 1-1 rotates.

Specifically, in this embodiment, as shown in fig. 2 to 5, a gear case 2-6 is disposed outside the gear set 2-1, the gear set 2-1 includes a first bevel gear 2-1-1 and a second bevel gear 2-1-2 that are meshed with each other, the first bevel gear 2-1 is connected with the screw 1-1, the second bevel gear 2-1-2 is connected with the handle 2-3, and the handle 2-3 is vertically downward and exposed in the caravan, so that the gear set 2-1 of this embodiment has a simple and reliable structure, stable transmission and high transmission efficiency, and particularly, compared with the flexible shaft, the transmission efficiency is remarkably improved, and the operation of the handle 2-3 is ensured to be labor-saving and convenient.

Specifically, in this embodiment, as shown in fig. 4 and 5, the output end of the motor 1-4 is in transmission connection with the screw 1-1, the screw 1-1 is in transmission connection with the first bevel gear 2-1-1, and the second bevel gear 2-1-2 is in transmission connection with the handle 2-3 through the square shaft 2-4 and the shaft sleeve 2-5, so that the lifting mechanism is convenient to install, and the transmission is stable and reliable.

Specifically, in this embodiment, as shown in fig. 4 and fig. 5, the material of the screw 1-1 is plastic, the screw 1-1 is integrally formed by injection molding, the screw 1-1 has a plurality of interruptions 1-1-1 around its circumferential screw teeth, the plurality of interruptions 1-1-1 along the circumferential direction of the screw 1-1 are arranged at intervals, and the plurality of interruptions 1-1-1 along the axial direction of the screw 1-1 are arranged in a straight line, and the arrangement of the interruptions 1-1-1 in this embodiment facilitates demolding of the screw 1-1 during injection molding, and is beneficial to overcoming the defect of injection molding shrinkage, so that the quality of the screw 1-1 is greatly improved, and it is required to say that the screw 1-1 is used in a low-speed scene, so that the screw teeth have the interruptions 1-1-1, and do not affect the stable sliding motion of the first slider 1-5 and the second slider on the screw 1-1.

Specifically, in this embodiment, as shown in fig. 4 and 5, a first limiting member 1-7, a second limiting member 1-8, a third limiting member 1-9 and a fourth limiting member 1-10 are sequentially disposed on the screw 1-1 along the axial direction thereof, the first sliding block 1-5 is disposed between the first limiting member 1-7 and the second limiting member 1-8, the second sliding block 1-6 is disposed between the third limiting member 1-9 and the fourth limiting member 1-10, the first limiting member 1-7 and the fourth limiting member 1-10 are fixedly connected with the window 3, the second flange and the third flange extend on the screw 1-1 in this embodiment as the second limiting member 1-8 and the third limiting member 1-9, the window 3 is provided with a supporting frame 1-11, the supporting frame 1-11 is disposed between the second limiting member 1-8 and the third limiting member 1-9, and the supporting frame 1-11 is provided with a groove which is matched with the first sliding block 1-1 and the second sliding block 1-1, and the first sliding block 1-1 is effectively limited by the safe and stable lifting mechanism 1-5, and the safe and stable lifting mechanism of the screw 1-1 is ensured.

Specifically, in this embodiment, as shown in fig. 4 and 5, the top ends of the first cantilever 1-2 and the second cantilever 1-3 are connected with the top cover 4 through the mounting base 1-12, the mounting base 1-12 includes a fixed portion 1-12-1 and a movable portion 1-12-2 that are rotatably connected, the rotation axis of the fixed portion 1-12-1 faces the width direction of the caravan, the fixed portion 1-12-1 is fixedly connected with the top cover 4, the top ends of the first cantilever 1-2 and the second cantilever 1-3 are rotatably connected with the corresponding movable portion 1-12-2, respectively, and the top ends of the first cantilever 1-2 and the second cantilever 1-3 are flexibly connected with the top cover 4 by the mounting base 1-12 in this embodiment, so as to overcome the disadvantage of direct rigid connection.

Specifically, in this embodiment, as shown in fig. 2 and 3, the lifting mechanism is disposed at the rear of the air duct 3-1, a baffle 3-2 is disposed on the rear sidewall of the air duct 3-1, the baffle 3-2 is disposed between the lifting mechanism and the air duct 3-1, the baffle 3-2 can effectively prevent wind of the air duct 3-1 from directly blowing to the lifting mechanism, the lifting mechanism is effectively protected, and the layout of the lifting mechanism is reasonable and compact.

The working principle is as follows:

automatic control: firstly, a motor 1-4 drives a screw rod 1-1 to rotate, the screw rod 1-1 rotates and drives a first sliding block 1-5 and a second sliding block 1-6 to slide along the screw rod 1-1, when the first sliding block 1-5 and the second sliding block 1-6 slide close to each other, the first cantilever 1-2 and the second cantilever 1-3 are driven to drive a top cover 4 to rotate and open, when the first sliding block 1-5 and the second sliding block 1-6 slide away from each other, the first cantilever 1-2 and the second cantilever 1-3 are driven to drive the top cover 4 to rotate and close, wherein the motor 1-4 can be suspended at any time, threads between the first sliding block 1-5 and the second sliding block 1-6 and the screw rod 1-1 are respectively self-locked, and the top cover 4 is kept at a set opening angle;

and (3) manual control: the handle 2-3 is manually rotated in the motor home, the handle 2-3 sequentially drives the second bevel gear 2-1-2, the first bevel gear 2-1-1 and the screw 1-1 to rotate, the screw 1-1 rotates and drives the first sliding block 1-5 and the second sliding block 1-6 to slide along the screw 1-1, when the first sliding block 1-5 and the second sliding block 1-6 mutually approach and slide, the first cantilever 1-2 and the second cantilever 1-3 are driven to upwards drive the top cover 4 to rotate and open, when the first sliding block 1-5 and the second sliding block 1-6 mutually depart from and slide, the first cantilever 1-2 and the second cantilever 1-3 are driven to downwards drive the top cover 4 to rotate and close, the motor 1-4 can be suspended at any time, the threads between the first sliding block 1-5 and the second sliding block 1-6 and the screw 1-1 are respectively self-locked, and the top cover 4 is kept at a set opening angle.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims

1. The utility model provides a elevating system in car as a house skylight which characterized in that: the lifting mechanism comprises an electric driving structure (1) and a manual driving structure (2), and the caravan skylight comprises a window body (3) and a top cover (4); an air duct (3-1) penetrates through the window body (3), the front end of the top cover (4) is hinged with the front end of the window body (3), the top cover (4) is arranged above the air duct (3-1), and the lifting mechanism is used for driving the top cover (4) to rotate upwards to open the air duct (3-1) or rotate downwards to close the air duct (3-1);

the electric driving structure (1) comprises a screw (1-1), a first cantilever (1-2), a second cantilever (1-3) and a motor (1-4), the manual driving structure (2) comprises a gear set (2-1) and a handle (2-3), the screw (1-1) is horizontally arranged at the rear side of a window (3) along the width direction of a motor home, the bottom end of the first cantilever (1-2) is in threaded connection with the screw (1-1) through a first sliding block (1-5), the bottom end of the second cantilever (1-3) is in threaded connection with the screw (1-1) through a second sliding block (1-6), the top ends of the first cantilever (1-2) and the second cantilever (1-3) are both connected with a top cover (4), the first cantilever (1-2) and the second cantilever (1-3) are arranged in a crossing mode, and the output end of the motor (1-4) is connected with one end of the screw (1-1); the input end of the gear set (2-1) is connected with the handle (2-3), and the output end of the gear set (2-1) is connected with one end of the screw rod (1-1) far away from the motor (1-4); the first cantilever (1-2) and the second cantilever (1-3) are driven to move close to each other or move away from each other when the screw (1-1) rotates.

2. The lift mechanism for a sunroof of a motor home according to claim 1, wherein: the gear set (2-1) comprises a first bevel gear (2-1-1) and a second bevel gear (2-1-2) which are meshed with each other, the first bevel gear (2-1-1) is connected with the screw (1-1), the second bevel gear (2-1-2) is connected with the handle (2-3), and the handle (2-3) faces downwards vertically and is exposed in a motor home.

3. The lift mechanism for a sunroof of a motor home according to claim 2, wherein: the output end of the motor (1-4) is in transmission connection with the screw rod (1-1), the screw rod (1-1) is in transmission connection with the first bevel gear (2-1-1), the second bevel gear (2-1-2) is in transmission connection with the handle (2-3) through the square shaft (2-4) and the shaft sleeve (2-5).

4. A lift mechanism for a sunroof according to claim 1, 2 or 3, wherein: the screw rod (1-1) is made of plastic, the screw rod (1-1) is integrally formed through injection molding, a plurality of fractures (1-1-1) are formed around the screw teeth of the screw rod (1-1) in the circumferential direction, the fractures (1-1-1) in the circumferential direction of the screw rod (1-1) are distributed at intervals, and the fractures (1-1-1) in the axial direction of the screw rod (1-1) are distributed in a straight line.

5. The lift mechanism for a sunroof of a motor home according to claim 1, wherein: the novel screw comprises a screw body (1-1), and is characterized in that a first limiting piece (1-7), a second limiting piece (1-8), a third limiting piece (1-9) and a fourth limiting piece (1-10) are sequentially arranged on the screw body (1-1) along the axial direction of the screw body, a first sliding block (1-5) is arranged between the first limiting piece (1-7) and the second limiting piece (1-8), a second sliding block (1-6) is arranged between the third limiting piece (1-9) and the fourth limiting piece (1-10), the first limiting piece (1-7) and the fourth limiting piece (1-10) are fixedly connected with the window body (3), a supporting frame (1-11) is arranged on the window body (3), the supporting frame (1-11) is arranged between the second limiting piece (1-8) and the third limiting piece (1-9), and a groove matched with the screw body (1-1) is formed in the supporting frame (1-11).

6. The lift mechanism for a sunroof of a motor home according to claim 1, wherein: the top ends of the first cantilever (1-2) and the second cantilever (1-3) are connected with the top cover (4) through mounting seats (1-12), the mounting seats (1-12) comprise fixed parts (1-12-1) and movable parts (1-12-2) which are connected in a rotating mode, the rotating axes of the fixed parts face the width direction of the caravan, the fixed parts (1-12-1) are fixedly connected with the top cover (4), and the top ends of the first cantilever (1-2) and the second cantilever (1-3) are respectively connected with the corresponding movable parts (1-12-2) in a rotating mode.

7. The lift mechanism for a sunroof of a motor home according to claim 1, wherein: the lifting mechanism is arranged at the rear of the air duct (3-1), a baffle (3-2) is arranged on the rear side wall of the air duct (3-1), and the baffle (3-2) is arranged between the lifting mechanism and the air duct (3-1).