CN215154224U - Electric sunshade device of aluminum alloy trailer motor home - Google Patents

Abstract

The utility model belongs to the technical field of automobile manufacturing, and relates to an electric sunshade device of an aluminum alloy trailer motor home, which comprises two moving swing rod assemblies, two limit pull rod assemblies respectively fixed on the moving swing rod assemblies, and an electric roller shutter assembly arranged between the two moving swing rod assemblies; the electric roller shutter is fixedly wound with a roller shutter cloth, and the free end of the roller shutter cloth and the free end of the limiting pull rod assembly are fixed on the motor home; the electric roller shutter assembly and the moving swing rod assembly are both connected with a control system. The utility model improves the problems of low automation degree, insufficient lifting height and poor overall stability of the existing sunshade, and realizes the unfolding and closing of the sunshade of the trailer motor home through electric control; the lifting height of the sunshade is obviously improved after the sunshade is unfolded, and the convenience of the movement of a user under the sunshade is improved; in addition, the novel electric sunshade of the trailer motor home is firmer in overall structure and can be unfolded and used under relatively poor weather conditions.

Description

Electric sunshade device of aluminum alloy trailer motor home

Technical Field

The utility model belongs to the technical field of the automobile manufacturing, a electronic sunshade device of aluminum alloy trailer car as a house is related to.

Background

Nowadays, various pull-type caravans are gradually developed into vehicles for people to travel outside, and are used for enriching the hobbies of the masses of people. The pull type caravan is a comfortable and free travel vehicle, an aluminum alloy pull type caravan with a cambered surface type side wall is designed on the market at present, but the existing sunshade is suitable for being installed on the caravan with the side wall being a vertical plane and is not suitable for being installed on the pull type caravan. The sunshade that pulls the car as a house use is the apolegamy structure as the car as a house when purchasing, sees domestic pulling the car as a house almost all be equipped with the sunshade with present condition, but the sunshade that uses now is some semi-automatic or manual operation mostly, is not convenient enough when using, in addition often lifts height, expandes the limited use problem of width.

The sunshade that current trailer car as a house used can roughly be divided into two kinds: firstly, a sunshade shed operated by a pure manual crank; and secondly, an electric remote control telescopic sunshade. Compared with the two existing sunshades, the purely manual sunshade has complicated operation and expansion processes, and the top supporting stress of the sunshade is not good when the sunshade is in the maximum expansion state; the existing electric remote control telescopic sunshade is limited by a supporting structure when being unfolded, generally has low lifting height and small unfolding width, and the overall stability of the sunshade with the two structures is not good enough.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an electronic sunshade device of aluminium alloy trailer car as a house is used for convex trailer car as a house to the side about, and degree of automation is high, lift high enough, overall stability is good.

In order to achieve the above purpose, the utility model provides a following technical scheme: an electric sunshade device of an aluminum alloy trailer motor home comprises two moving swing rod assemblies, two limit pull rod assemblies respectively fixed on the moving swing rod assemblies, and an electric roller shutter assembly arranged between the two moving swing rod assemblies;

the electric roller shutter is fixedly wound with a roller shutter cloth, and the free end of the roller shutter cloth and the free end of the limiting pull rod assembly are fixed on the motor home; the electric roller shutter assembly and the moving swing rod assembly are both connected with a control system.

Optionally, the moving swing rod assembly comprises a swing rod support assembly fixed on the motor home, an electric push rod hinged with the swing rod support assembly and a swing rod assembly connected with the electric push rod;

the swing rod support assembly is also fixedly provided with a swing rod slideway assembly which is sleeved on the periphery of the electric push rod.

Optionally, the swing rod assembly comprises a sunshade swing rod, a nylon slideway wheel is mounted at the lower part of the sunshade swing rod, and the nylon slideway wheel is arranged in the cavity of the swing rod sliding assembly; the upper part of the sunshade oscillating bar is also provided with a sunshade nylon cushion block and a limit pull rod bracket.

Optionally, the rod slideway assembly includes a swing rod slideway, a lower blocking plate disposed at the bottom of the swing rod slideway, and a nylon guide block disposed at the top of the swing rod slideway.

Optionally, the swing rod support assembly comprises a sunshade support, a first base fixing shaft arranged between the sunshade supports, and a swing rod anti-collision nylon block assembly arranged on the sunshade support and positioned higher than the first base fixing shaft;

the first base fixing shaft is also provided with a sunshade supporting assembly, and the top of the sunshade supporting assembly is provided with a second base fixing shaft.

Optionally, a first limit gasket and an anti-abrasion gasket are arranged between the first base fixed shaft and the sunshade support, and a second limit gasket is arranged between the second base fixed shaft and the sunshade support assembly;

the swing rod anti-collision nylon block assembly comprises a swing rod anti-collision nylon block base plate fixed on the sunshade support and a swing rod anti-collision nylon block arranged on the base plate.

Optionally, the limiting pull rod assembly comprises an upper limiting pull rod assembly fixed with the moving swing rod assembly and a lower limiting pull rod assembly fixed with the motor home;

the upper limiting pull rod assembly is arranged in the lower limiting pull rod assembly in a matching mode, and the lower limiting pull rod assembly is fixed with the motor home through the electric sunshade limiting pull rod support assembly.

Optionally, the upper limiting pull rod assembly comprises a first ball head rod end joint bearing for fixing with the motion swing rod assembly, an upper limiting pull rod of the awning fixedly connected with the ball head rod end joint bearing, an upper limiting pull rod sleeve and a lower limiting pull rod sleeve of the awning, which are arranged on the upper limiting pull rod of the awning, and an upper limiting pull rod plug of the awning is also arranged between the ball head rod end joint bearing and the upper limiting pull rod of the awning;

the lower limiting pull rod comprises a lower limiting pull rod sleeved outside the upper limiting pull rod, one end of the lower limiting pull rod of the sunshade is provided with a limiting rod nylon plug for limiting, the other end of the lower limiting pull rod of the sunshade is provided with a lower limiting pull rod plug of the sunshade, and a second ball head rod end joint bearing for connecting with an electric sunshade limiting pull rod support assembly is further installed on the lower limiting pull rod plug in a matched mode.

Optionally, the electric roller shutter assembly comprises an aluminum alloy drum and a shutter cloth wound on the aluminum alloy drum;

the free end of the roller shutter cloth is fixed with the caravan through a roller shutter cloth pressing plate provided with a sunshade, and one end of the aluminum alloy winding drum is provided with a motor and an end part connecting piece.

Optionally, the electric push rod is communicated with the control system through a spiral wire, and the spiral wire is arranged in the swing rod slideway assembly.

The beneficial effects of the utility model reside in that: the utility model relates to an aluminum alloy electric sunshade device for a trailer, which improves the problems of low automation degree, insufficient lifting height and poor overall stability of the existing sunshade, and realizes the unfolding and closing of the trailer sunshade through electric control; the lifting height of the sunshade is obviously improved after the sunshade is unfolded, and the convenience of the movement of a user under the sunshade is improved; in addition, the novel electric sunshade of the trailer motor home is firmer in overall structure and can be unfolded and used under relatively poor weather conditions.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.

Drawings

For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic view of the overall structure of an electric sunshade device of an aluminum alloy trailer motor home;

fig. 2 is a schematic structural view of a motion swing rod assembly of the electric sunshade device of the aluminum alloy trailer motor home of the present invention;

FIG. 3 is a schematic structural view of the non-swing link slide assembly of FIG. 2;

fig. 4 is a schematic structural view of a swing link assembly of the electric sunshade device of the aluminum alloy trailer motor home of the present invention;

fig. 5 is a schematic structural view of a pendulum rod slide assembly of the electric sunshade device of the aluminum alloy trailer motor home of the present invention;

fig. 6 is a perspective view of a pendulum rod support assembly of the electric sunshade device of the aluminum alloy trailer motor home of the present invention;

fig. 7 is a front view of a pendulum rod support assembly of the electric sunshade device of the aluminum alloy trailer motor home of the present invention;

fig. 8 is a schematic structural view of a limit pull rod assembly of the electric sunshade device of the aluminum alloy trailer motor home of the present invention;

fig. 9 is a schematic structural view of an upper limiting pull rod assembly of the electric sunshade device of the aluminum alloy trailer motor home of the present invention;

fig. 10 is a schematic structural view of a lower limit pull rod assembly of the electric sunshade device of the aluminum alloy trailer motor home of the present invention;

fig. 11 is a schematic structural view of an electric sunshade limit pull rod support assembly of the electric sunshade device of the aluminum alloy trailer motor home;

fig. 12 is a partial enlarged view of an electric roller shutter assembly of an electric sunshade device of an aluminum alloy trailer motor home;

fig. 13 is the utility model discloses an aluminum alloy pulls electronic sunshade device of motor home's spiral electric wire structure sketch map.

Reference numerals: a movable swing rod assembly 1, a limit pull rod assembly 2, an electric roller shutter assembly 3, a roller shutter cloth 31, an aluminum alloy drum 32, a motor and end connecting piece 33, a roller shutter cloth pressing plate 34, a swing rod support assembly 4, a sunshade support 41, a first base fixing shaft 42, a swing rod anti-collision nylon block 43, a sunshade support assembly 44, a second base fixing shaft 45, a first limit gasket 46, a second limit gasket 47, a swing rod anti-collision nylon block backing plate 48, an anti-abrasion gasket 49, a swing rod slideway assembly 5, a swing rod slideway 51, a lower blocking plate 52, a nylon guide block 53, a swing rod assembly 6, a sunshade swing rod 61, a nylon slideway wheel 62, a sunshade nylon cushion block 63, a limit pull rod support 64, an electric push rod 7, an upper limit pull rod assembly 8, a first ball rod end joint bearing 81, an upper limit pull rod 82 of the sunshade, an upper limit pull rod sleeve 83, an upper limit pull rod sleeve 84 of the sunshade, a lower sleeve 84, a lower limit pull rod sleeve of the sunshade, An upper limit pull rod plug 85 of the awning, a lower limit pull rod assembly 9, a lower limit pull rod 91 of the awning, a limit rod nylon plug 92, a lower limit pull rod plug 93 of the awning, a second ball head rod end joint bearing 94, an electric awning limit pull rod support assembly 10 and a spiral electric wire 11.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Referring to fig. 1 to 13, an electric sunshade device for an aluminum alloy trailer motor home according to the present application is composed of a moving swing rod assembly 1, an electric roller shutter assembly 3, a limit pull rod assembly 2, and the like.

The moving swing rod assembly 1 (as shown in fig. 2) is composed of a swing rod assembly 6, a swing rod slideway assembly 5, a swing rod support assembly 4 and an electric push rod 7, wherein fig. 3 mainly shows the structure of the electric push rod 7 installed in the swing rod slideway assembly 5.

Pendulum rod assembly 6 (as shown in fig. 7), sunshade pendulum rod 61 is made by aluminium square pipe, and its crooked design appearance is for the car body appearance of the trailer car as a house of circular arc type of cooperation side, and its effect is: the integral extension of the swing rod assembly 6 is matched to be used as a supporting structure of the sunshade; the function of the limit pull rod bracket 64 is as follows: structural parts for connecting the limit pull rod assembly 2 (refer to fig. 1); function of the nylon ramp wheel 62: the function of assisting the sunshade swinging rod 61 to slide in the swinging rod slide way 51 is achieved, and the sunshade swinging rod 61 is prevented from being worn during movement (as shown in figures 2 and 3); the sunshade nylon cushion block 63: the contact abrasion of the moving swing rod and the vehicle body is prevented.

The pendulum rod slideway 51 of the pendulum rod slideway assembly 5 (as shown in fig. 5) has the following two functions: a track used as the motion track of the sunshade swinging rod 61; the strength of the supporting lever arm of the integral sunshade is improved. The nylon guide block 53 has the following three functions: the sunshade oscillating bar 61 is prevented from shaking at the port; the friction of parts between aluminum materials is avoided; the movement track of the sunshade swinging rod 61 is fixed.

The electric push rod 7 plays a role in providing lifting power, the moving swing rod assembly 1 can be extended, the electric wires led out from the lower end of the electric push rod 7 are electrically connected with the outer end of the vehicle body through the lower blocking plate 52, and the lifting height can be controlled by the control system.

The main functions of the pendulum support assembly 4 (shown in fig. 6 and 7) are as follows: for supporting the overall awning structure; as a rotation axis when the sunshade is opened and closed. The independent action of each spare part in pendulum rod support assembly 4 is as follows, the effect of first base fixed axle: the supporting device is used for supporting the integral sunshade structure and using the rotating shaft; the role of the sunshade support assembly 44; the force of the electric push rod 7 pressing the first base fixed shaft 42 is transmitted to the second base fixed shaft 45 by the sunshade support assembly 44 while rotating around the pin structure; the second base fixing shaft 45 functions: the structure support and the rotating shaft for the electric push rod 7 are used; the pendulum rod anticollision nylon block 43 and pendulum rod anticollision nylon block backing plate 48 act as an assembly: the collision damage caused by the fact that the swing rod assembly 1 is moved to lean against the vehicle body when the electric sunshade is retracted and the surface damage caused by the relative movement when the whole vehicle moves are prevented. A first limit gasket 46 and an anti-abrasion gasket 49 are arranged between the first base fixing shaft and the awning support, and a second limit gasket 47 is arranged between the second base fixing shaft and the awning support assembly; the function of the wear pad 49 is: by increasing the contact area, the first base fixing shaft 42 and the sunshade support 41 are well protected from abrasion.

The limit pull rod assembly 2 (as shown in fig. 8) is composed of an upper limit pull rod assembly 8, a lower limit pull rod assembly 9 and an electric sunshade limit pull rod support assembly 10, and the structure of the limit pull rod assembly is telescopic, and the limit pull rod assembly has the following functions: when the roller shutter cloth 31 is at the maximum unfolding position, the limit pull rod assembly 2 and the vehicle body form a triangular structure by moving the swing rod assembly 1, the whole structure becomes more stable, and the roller shutter cloth 31 is in an untightened state, so that the service life of the roller shutter cloth 31 can be greatly prolonged without being subjected to large tension; in the fully unfolded state of the roller blind cloth 31, the limit pull rod assembly 2 is used as an effective connection relation between the upper end of the vehicle body and the moving swing rod assembly 1, so that the wind resistance of the unfolded sunshade is enhanced, and the limit pull rod assembly is also effectively used as a supporting structure at the lower end of the roller blind cloth 31, thereby achieving the purpose of being used in rainy and snowy weather.

Go up spacing pull rod assembly 8 (as shown in fig. 9) and constitute by spacing pull rod end cap 85 on first bulb rod end joint bearing 81, the sunshade, spacing pull rod 82 (aluminium pipe) on the sunshade, spacing pull rod lower cover 84, last spacing pull rod cover 83 on the sunshade, first bulb rod end joint bearing 81's effect: the limiting pull rod assembly 2 is ensured to carry out flexible angle adjustment movement, and the end is fixed on the limiting pull rod support assembly 10 of the electric sunshade; the effect of spacing pull rod end cap 85 on the sunshade: the first ball head rod end joint bearing 81 is connected with a limiting pull rod 82 on the sunshade; the function of the upper limit pull rod 82 of the sunshade: the length of the limit pull rod assembly 2 can be adjusted through the telescopic change; the role of the lower sleeve 84 of the upper limiting pull rod of the sunshade: for assisting sliding within the lower limit draw bar 91 of the awning; the upper limit pull rod sleeve 83 has the following functions: is used for limiting the moving range of the upper limit pull rod assembly 8 in the lower limit pull rod assembly 9.

The lower limit pull rod assembly 9 (shown in fig. 10) is composed of a second ball head rod end joint bearing 94, a sunshade lower limit pull rod 91 (an aluminum round tube), a sunshade lower limit pull rod plug 93 and a limit rod nylon plug 92, and the sunshade lower limit pull rod 91 is used as a slide way of the upper limit pull rod; the second ball-end-rod-end knuckle bearing 94 functions: the limiting pull rod assembly 2 is used for ensuring flexible angle adjustment movement and is fixed on the electric sunshade limiting pull rod support assembly 10 at the end; the lower limit pull rod plug 93 of the sunshade: the lower limiting pull rod 91 is used for connecting the second ball head rod end joint bearing 94 with the sunshade; the function of the limiting rod nylon plug 92: prevent to go up spacing pull rod roll-off sunshade lower limit pull rod 91, play limiting displacement.

The electric sunshade limit pull rod support assembly 10 (shown in fig. 11) is used for fixing one end of the limit pull rod assembly 2, and the end is fixed on the vehicle body, so that the sunshade has better stability in the unfolding process.

The electric roller shutter assembly 3 (as shown in fig. 12) is composed of a roller shutter cloth 31, an aluminum alloy roller, a motor and end connector 33, and a roller shutter cloth pressing plate 34. Compared with the special electric roller shutter assembly 3 on the market, the device is a common product in the market and is a conventional technology. The function of the device is that one end of the roller blind cloth 31 is fixed on the roof through the roller blind cloth pressing plate 34 of the sunshade, the roller blind cloth 31 is unfolded and used under the action of the aluminum alloy winding drum 32 matched with the motor through the control of the remote controller, the aluminum alloy winding drum is divided into the left side and the right side, and only one end of the aluminum alloy winding drum needs to be provided with the motor for working.

Spiral electric wire 11 (have elastic telescopic's electric wire, extend under tensile state, resume spiral state under the natural state, as shown in fig. 13) structure is for installing the electric wire of the special construction in motion pendulum rod assembly 1, a motor for among the electronic roll screen connects the electricity, this structure is the extending structure who takes into account motion pendulum rod assembly 1 in the sunshade assembly changes, the telescopic structure of motion pendulum rod changes has been matchd to spiral electric wire 11 telescopic performance, one section of spiral structure is for having elastic telescopic structure's electric wire, all the other positions are for not having elastic telescopic's structure, the design simple and practical of this structure, realized that lower cost just satisfies the electric wire design wiring problem that the flexible change of motion pendulum rod assembly 1 brought.

The utility model relates to a novel structure, wholeness are good, weight is light, a device that degree of automation is high has solved following problem:

1. as a special sunshade for a novel aluminum alloy trailer caravan, the integral structural design of the sunshade solves the problem of installation of the special sunshade for the cambered aluminum alloy trailer caravan; in the design, a triangular structure formed by the motion swing rod assembly 1, the limit pull rod assembly 2 and the electric roller shutter assembly 3 is adopted, so that the problem of firm overall stability of the awning on the pull type caravan after being unfolded is solved.

2. In consideration of humanization, the electric push rod 7 is used in the design to increase the structure of the motion swing rod assembly 1, the lifting height of the roller shutter cloth 31 when being unfolded is obviously increased, the activity space below the electric sunshade is greatly increased, and the shielding effect of the sunshade meets the requirements of more users with different heights due to the structural design; and through having increased spacing pull rod assembly 2 device, make the sunshade when the limit expansion position, spacing pull rod has born the pulling force of motion pendulum rod assembly 1, simultaneously the shutter cloth 31 only receives self gravity and takes on spacing pull rod assembly 2, the effect of tensioning force is not received to the shutter cloth 31, and then has increased the life of shutter cloth 31, the anti-wind stability of electronic sunshade after the expansion has also been strengthened simultaneously, the sunshade is not packed up even long-time expansion, also can guarantee stable in structure's characteristics.

3. The aluminum alloy material is used as a framework structure, the aluminum alloy trailer is more attractive in appearance, the overall weight is reduced on the premise that the material strength meets the use requirement, and the aluminum alloy trailer is used as an external support protection part and has corrosion resistance and aging resistance; meanwhile, in the aspect of material use, due to the application of the structures such as the nylon guide wheel, the nylon guide block 53 and the swing rod anti-collision nylon block 43, abrasion among aluminum materials is effectively reduced, the movement efficiency of relative movement is improved, abnormal sound is reduced in the working process, and the aluminum material anti-collision device is effectively used as a limiting and guiding device.

4. The electric push rod 7 is applied to the swing rod assembly 6, the motor wiring in the electric roller shutter passes through the swing rod assembly 6, and the spiral wire 11 structure is adopted, so that the problem of expansion of the internal wire of the swing rod assembly 6 when the swing rod assembly is expanded is effectively solved, and the mode is simple and low in cost; the application in pendulum rod support assembly 4, sunshade support sub-assembly 44 and the assembly design (refer to 11, 12) that the abrasionproof cushion is geared to the needs of the mouth, and simple structure makes the overall design weight lighter, has both effectually realized the spacing design requirement of sunshade support sub-assembly 44, has satisfied the function that abrasionproof cushion and sunshade support sub-assembly 44 can pivot simultaneously again.

5. In the aspect of the use of the electric sunshade, the process of lifting and withdrawing can be completed only by operating the sunshade assembly alone, the operator is only required to assist in pushing the motion swing rod assembly 1 in the initial unfolding stage, and the rest processes are controlled by using a remote controller (controllable control system).

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.

Claims (10)

1. The utility model provides an electronic sunshade device of aluminium alloy trailer car as a house which characterized in that: the device comprises two moving swing rod assemblies, two limit pull rod assemblies respectively fixed on the moving swing rod assemblies, and an electric roller shutter assembly arranged between the two moving swing rod assemblies;

the electric roller shutter is fixedly wound with a roller shutter cloth, and the free end of the roller shutter cloth and the free end of the limiting pull rod assembly are fixed on the motor home; the electric roller shutter assembly and the moving swing rod assembly are both connected with a control system.

2. The electric sunshade device of the aluminum alloy trailer as claimed in claim 1, wherein: the moving swing rod assembly comprises a swing rod support assembly fixed on the motor home, an electric push rod hinged with the swing rod support assembly and a swing rod assembly connected with the electric push rod;

the swing rod support assembly is also fixedly provided with a swing rod slideway assembly which is sleeved on the periphery of the electric push rod.

3. The electric sunshade device of the aluminum alloy trailer as claimed in claim 2, wherein: the swing rod assembly comprises a sunshade swing rod, a nylon slideway wheel is arranged at the lower part of the sunshade swing rod, and the nylon slideway wheel is arranged in a cavity of the swing rod sliding assembly; the upper part of the sunshade oscillating bar is also provided with a sunshade nylon cushion block and a limit pull rod bracket.

4. The electric sunshade device of the aluminum alloy trailer as claimed in claim 2, wherein: the swing rod slide way assembly comprises a swing rod slide way, a lower blocking plate arranged at the bottom of the swing rod slide way and a nylon guide block arranged at the top of the swing rod slide way.

5. The electric sunshade device of the aluminum alloy trailer as claimed in claim 2, wherein: the swing rod support assembly comprises a sunshade support, a first base fixing shaft arranged between the sunshade supports and a swing rod anti-collision nylon block assembly arranged on the sunshade support and positioned higher than the first base fixing shaft;

the first base fixing shaft is also provided with a sunshade supporting assembly, and the top of the sunshade supporting assembly is provided with a second base fixing shaft.

6. The electric sunshade device of the aluminum alloy trailer as claimed in claim 5, wherein: a first limit gasket and an anti-abrasion gasket are arranged between the first base fixed shaft and the awning support, and a second limit gasket is arranged between the second base fixed shaft and the awning support assembly;

the swing rod anti-collision nylon block assembly comprises a swing rod anti-collision nylon block base plate fixed on the sunshade support and a swing rod anti-collision nylon block arranged on the base plate.

7. The electric sunshade device of the aluminum alloy trailer as claimed in claim 1, wherein: the limiting pull rod assembly comprises an upper limiting pull rod assembly fixed with the moving swing rod assembly and a lower limiting pull rod assembly fixed with the motor home;

the upper limiting pull rod assembly is arranged in the lower limiting pull rod assembly in a matching mode, and the lower limiting pull rod assembly is fixed with the motor home through the electric sunshade limiting pull rod support assembly.

8. The electric sunshade device of the aluminum alloy trailer as claimed in claim 7, wherein: the upper limiting pull rod assembly comprises a first ball head rod end joint bearing for fixing the motion swing rod assembly, an upper limiting pull rod of the sunshade, an upper limiting pull rod sleeve and a lower limiting pull rod sleeve, wherein the upper limiting pull rod sleeve is fixedly connected with the ball head rod end joint bearing;

the lower limiting pull rod comprises a lower limiting pull rod sleeved outside the upper limiting pull rod, one end of the lower limiting pull rod of the sunshade is provided with a limiting rod nylon plug for limiting, the other end of the lower limiting pull rod of the sunshade is provided with a lower limiting pull rod plug of the sunshade, and a second ball head rod end joint bearing for connecting with an electric sunshade limiting pull rod support assembly is further installed on the lower limiting pull rod plug in a matched mode.

9. The electric sunshade device of the aluminum alloy trailer as claimed in claim 1, wherein: the electric roller shutter assembly comprises an aluminum alloy winding drum and a shutter cloth wound on the aluminum alloy winding drum;

the free end of the roller shutter cloth is fixed with the caravan through a roller shutter cloth pressing plate provided with a sunshade, and one end of the aluminum alloy winding drum is provided with a motor and an end part connecting piece.

10. The electric sunshade device of the aluminum alloy trailer as claimed in claim 2, wherein: the electric push rod is communicated with the control system through a spiral wire, and the spiral wire is arranged in the swing rod slideway assembly.

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