CN219544666U - Lifting mechanism and caravan thereof - Google Patents

Abstract

The utility model discloses a lifting mechanism and a motor home thereof, comprising a liquid crystal television and a hood, wherein the hood is internally provided with the lifting mechanism, the lifting mechanism comprises a driving gear which is rotatably arranged at the top of the inner side of the hood, the top end of the hood is fixedly connected with a stepping motor, the front surface and the back surface of the driving gear are both provided with rack plates, the two rack plates are arranged in a central symmetry manner, the inner side of the hood is provided with a shearing arm, the two ends of the top of the shearing arm are respectively and rotatably connected with the ends of the two rack plates, which are away from each other, and the two ends of the bottom of the shearing arm are respectively and movably connected with the liquid crystal television. According to the utility model, the driving gear is driven to rotate clockwise or anticlockwise through the stepping motor, so that the driving gear drives the two rack plates to synchronously move in opposite directions or reversely, and the two end parts of the shearing fork arms are driven to move in opposite directions to unfold or reversely move to fold, so that the shearing fork arms can be unfolded or folded to lift and regulate the liquid crystal television in the hood, the liquid crystal television can be conveniently stretched out of the hood to use or retracted into the hood to be stored, and the convenience of use is increased.

Description

Lifting mechanism and caravan thereof

Technical Field

The utility model relates to the technical field of lifting mechanisms, in particular to a lifting mechanism and a motor home thereof.

Background

At present, the pleasure of living in a journey is increased, the liquid crystal television is installed in a plurality of motor home, and in order to increase the use safety of the liquid crystal television in the motor home, a hood is generally used for accommodating the liquid crystal television, so that the functions of dust prevention and collision prevention can be achieved.

The existing liquid crystal television is inconvenient to take and place in the hood, and often needs to be taken and placed manually, so that the use of the liquid crystal television is time-consuming and labor-consuming, and the liquid crystal television is not convenient enough.

Disclosure of Invention

The utility model aims to provide a lifting mechanism and a motor home thereof, which are used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a lifting mechanism comprising:

a liquid crystal television;

the liquid crystal display television comprises a hood, a lifting mechanism and a lifting mechanism, wherein the hood is used for accommodating and protecting a liquid crystal display television, and the lifting mechanism used for stretching and retracting the liquid crystal display television is arranged in the hood;

the lifting mechanism comprises a driving gear which is arranged at the top of the inner side of the hood in a rotating way, a stepping motor which is used for driving the driving gear to rotate is fixedly connected to the top of the hood, a rack plate which can horizontally move is arranged on the front surface and the back surface of the driving gear, the two rack plates are arranged in a central symmetry way, a shearing fork arm is arranged at the inner side of the hood, two ends of the top of the shearing fork arm are respectively connected with the end parts of the two rack plates which are away from each other in a rotating way, and two ends of the bottom of the shearing fork arm are respectively connected with the liquid crystal television in a movable way.

Preferably, the rack plate comprises a first sliding sleeve, one side, opposite to the driving gear, of the first sliding sleeve is provided with a rack part matched with the driving gear, the inner side of the first sliding sleeve is connected with a first sliding rod in a penetrating mode, and two ends of the first sliding rod are fixedly connected with inner walls of two sides of the machine cover respectively.

Preferably, the liquid crystal television top symmetrical fixedly connected with two fixed plates, two symmetrical fixedly connected with two second slide bars between the fixed plates, two the outer wall of second slide bar has all slided and has cup jointed the second sliding sleeve, two one side that the second sliding sleeve deviates from is rotated with the both ends portion of scissor arm bottom respectively and is connected.

Preferably, the shearing fork arm comprises two connecting plates, the middle parts of the two connecting plates are connected with limiting pin shafts in a penetrating mode, and connecting through holes for rotating and installing the connecting plates are formed in two end portions of the connecting plates.

Preferably, the inner walls of two sides of the hood are provided with guiding structures for the telescopic limit of the liquid crystal display television, the roller mounting seats of the guiding structures are fixedly connected to the inner walls of the hood, the end parts of the roller mounting seats are rotationally connected with guiding wheels, and the outer walls of the guiding wheels are attached to the side walls of the liquid crystal display television.

Preferably, the guide wheel comprises a wheel body, the wheel body is rotationally connected to the inner side end part of the roller mounting seat, and a rubber wheel sleeve is fixedly sleeved on the outer wall of the wheel body.

The utility model also provides a motor home, which comprises the lifting mechanism.

The utility model has the technical effects and advantages that:

according to the utility model, the driving gear is driven to rotate clockwise or anticlockwise through the stepping motor, so that the driving gear drives the two rack plates to synchronously move in opposite directions or reversely, and therefore, the two end parts of the shearing fork arms are driven to move in opposite directions to unfold or reversely move to fold, so that the shearing fork arms can be unfolded or folded to lift and regulate the liquid crystal television in the hood, the liquid crystal television can be conveniently stretched out of the hood to use or retracted in the hood to store, and the convenience of use is increased.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic view of the front cross-sectional structure of the hood of the present utility model.

FIG. 3 is a schematic view of the structure of the hood of the present utility model in a cross-sectional view from the top.

Fig. 4 is a schematic diagram of a cross-sectional structure of a liquid crystal television according to the present utility model.

Fig. 5 is a schematic perspective view of a guide wheel according to the present utility model.

In the figure: 1. a hood; 11. a roller mounting seat; 12. a guide wheel; 121. a wheel body; 122. a rubber wheel sleeve; 2. a liquid crystal television; 3. a lifting mechanism; 31. a first slide bar; 32. a first sliding sleeve; 33. a drive gear; 34. a fixing plate; 35. a second slide bar; 36. the second sliding sleeve; 37. a scissor arm; 38. a stepping motor; 39. a rack part.

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. 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.

The utility model provides a lifting mechanism as shown in figures 1-5, which comprises a liquid crystal television 2 and a hood 1, wherein the hood 1 is used for accommodating and protecting the liquid crystal television 2, the hood 1 is internally provided with a lifting mechanism 3 used for stretching and retracting the liquid crystal television 2, preferably, the inner walls of the two sides of the hood 1 are both provided with guide structures used for stretching and limiting the liquid crystal television 2, a guide structure roller mounting seat 11 is fixedly connected with the inner wall of the hood 1, the end part of the roller mounting seat 11 is rotationally connected with a guide wheel 12, the outer wall of the guide wheel 12 is attached to the side wall of the liquid crystal television 2, the guide wheel 12 is arranged through the roller mounting seat 11, the liquid crystal television 2 is limited when stretching and retracting in the hood 1 by the guide wheel 12, the liquid crystal television 2 is kept stable in movement, meanwhile, the liquid crystal television 2 is assisted in movement by the rotation of the guide wheel 12, in a preferred embodiment, the guide wheel 12 comprises a wheel body 121, the inner end part of the roller mounting seat 11 is rotationally connected with the guide wheel 121, the outer wall of the wheel body 121 is fixedly sleeved with a rubber wheel sleeve 122, and the rubber wheel sleeve 122 is sleeved with the outer wall of the guide wheel 12, so that the protection performance on the outer wall of the liquid crystal television 2 can be increased.

The lifting mechanism 3 comprises a driving gear 33 which is rotatably arranged at the top of the inner side of the hood 1, the top end of the hood 1 is fixedly connected with a stepping motor 38 which is used for driving the gear 33 to rotate, the front surface and the back surface of the driving gear 33 are respectively provided with rack plates which can horizontally move, the two rack plates are arranged in a central symmetry manner, the inner side of the hood 1 is provided with a shearing arm 37, the two ends of the top of the shearing arm 37 are respectively and rotatably connected with the ends of the two rack plates which are opposite, the two ends of the bottom of the shearing arm 37 are respectively and movably connected with the liquid crystal television 2, after the stepping motor 38 is connected with an external power supply, an operator can drive the stepping motor 38 to rotate clockwise or anticlockwise through an external control switch, the driving gear 33 is driven to rotate, and the driving gear 33 is connected with the rack plates in a meshing manner by utilizing the driving gear 33, so that the driving gear 33 can drive the two rack plates to synchronously move in opposite directions or synchronously reversely, and the rack plates drive the two ends of the shearing arm 37 to be unfolded or folded, thereby driving lifting driving the liquid crystal television 2, and simultaneously keeping stable lifting of the liquid crystal television 2, lifting and storage and extension and convenient and use of the lifting and storage and convenient and use of the liquid crystal television 2.

In the preferred embodiment, the rack plate comprises a first sliding sleeve 32, one side of the first sliding sleeve 32, which is opposite to the driving gear 33, is provided with a rack portion 39 matched with the driving gear 33, the inner side of the first sliding sleeve 32 is connected with a first sliding rod 31 in a penetrating way, two ends of the first sliding rod 31 are fixedly connected with the inner walls of two sides of the hood 1 respectively, the rack portion 39 is arranged on the outer wall of the first sliding sleeve 32 to form a rack plate, and then the rack plate is matched with the first sliding rod 31 to be in sliding sleeve connection with the first sliding sleeve 32, so that limit guiding on the movement of the rack plate is realized, and the rack plate can be kept to stably and parallelly move on a horizontal plane.

In the preferred embodiment, two fixing plates 34 are symmetrically and fixedly connected to the top end of the lcd tv 2, two second slide bars 35 are symmetrically and fixedly connected between the two fixing plates 34, second slide sleeves 36 are respectively sleeved on the outer walls of the two second slide bars 35 in a sliding manner, one sides, deviating from the second slide sleeves 36, of the two second slide sleeves are respectively connected with two end parts of the bottom of the scissor arm 37 in a rotating manner, the second slide sleeves 36 are matched with the second slide bars 35, and then the fixing plates 34 are matched for fixing the connection of the second slide bars 35, so that the second slide sleeves 36 can move on the second slide bars 35 to achieve limiting and guiding effects on the bottom of the scissor arm 37, and meanwhile, the bottom of the scissor arm 37 is connected with the lcd tv 2, so that the scissor arm 37 can stably drive the lcd tv 2 to lift.

In the preferred embodiment, the shearing arm 37 comprises two connecting plates, the middle parts of the two connecting plates are connected with limiting pin shafts in a penetrating way, connecting through holes for rotating and installing the connecting plates are formed in the two end parts of the connecting plates, the limiting pin shafts can be cylindrical rods with thin middle parts at the two ends, external threads are arranged on the outer walls of the two end parts of the limiting pin shafts, the limiting pin shafts are respectively penetrated and positioned with the middle through holes of the two connecting plates, the limiting is performed through nuts, limiting between the two connecting plates is achieved, and meanwhile the middle parts between the two limiting plates can rotate.

The utility model further aims to provide a motor home, which comprises the lifting mechanism.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. A lifting mechanism comprising:

a liquid crystal television (2);

a hood (1) for accommodating and protecting the liquid crystal television (2), wherein a lifting mechanism (3) for stretching and retracting the liquid crystal television (2) is arranged in the hood (1);

the method is characterized in that: the lifting mechanism (3) comprises a driving gear (33) which is rotatably arranged at the top of the inner side of the hood (1), a stepping motor (38) which is used for driving the gear (33) to rotate is fixedly connected to the top of the hood (1), a horizontally movable rack plate is arranged on the front side and the back side of the driving gear (33), the two rack plates are arranged in a central symmetry mode, a shearing fork arm (37) is arranged at the inner side of the hood (1), two ends of the top of the shearing fork arm (37) are respectively connected with the ends of the two rack plates, which are away from each other in a rotating mode, and two ends of the bottom of the shearing fork arm (37) are respectively movably connected with the liquid crystal television (2).

2. The lifting mechanism according to claim 1, wherein the rack plate comprises a first sliding sleeve (32), one side, opposite to the driving gear (33), of the first sliding sleeve (32) is provided with a rack portion (39) matched with the driving gear (33), a first sliding rod (31) is connected to the inner side of the first sliding sleeve (32) in a penetrating mode, and two ends of the first sliding rod (31) are fixedly connected with inner walls of two sides of the hood (1) respectively.

3. The lifting mechanism according to claim 1, wherein two fixing plates (34) are symmetrically and fixedly connected to the top end of the liquid crystal television (2), two second sliding rods (35) are symmetrically and fixedly connected between the two fixing plates (34), second sliding sleeves (36) are respectively sleeved on the outer walls of the two second sliding rods (35) in a sliding manner, and two sides, facing away from each other, of the two second sliding sleeves (36) are respectively connected with two end parts of the bottom of the scissor arm (37) in a rotating manner.

4. A lifting mechanism according to claim 1, wherein the scissor arm (37) comprises two connecting plates, the middle parts of the two connecting plates are connected with limiting pins in a penetrating way, and both end parts of the connecting plates are provided with connecting through holes for rotation installation.

5. The lifting mechanism according to claim 1, wherein guide structures for telescopic limiting of the liquid crystal television (2) are arranged on inner walls of two sides of the hood (1), roller mounting seats (11) of the guide structures are fixedly connected to the inner walls of the hood (1), guide wheels (12) are rotatably connected to end portions of the roller mounting seats (11), and outer walls of the guide wheels (12) are attached to side walls of the liquid crystal television (2).

6. The lifting mechanism according to claim 5, wherein the guiding wheel (12) comprises a wheel body (121), the wheel body (121) is rotatably connected to the inner side end part of the roller mounting seat (11), and a rubber wheel sleeve (122) is fixedly sleeved on the outer wall of the wheel body (121).

7. A recreational vehicle, characterized in that it comprises a lifting mechanism according to any one of claims 1-6.