CN218750225U

CN218750225U - Electric awning with limiting power-off protection

Info

Publication number: CN218750225U
Application number: CN202223063832.7U
Authority: CN
Inventors: 李屹中; 康楠楠; 吴春洋
Original assignee: Dachang Hui Autonomous County United Machinery Manufacturing Co ltd
Current assignee: Dachang Hui Autonomous County United Machinery Manufacturing Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-03-28
Anticipated expiration: 2032-11-18

Abstract

The application provides an electric awning with limited power-off protection, which comprises a mounting support arm and an electric winding drum; the mounting support arms are respectively positioned at two ends of the electric winding drum, and a folding component and a linkage switch are respectively arranged corresponding to the electric winding drum; the electric winding drum is provided with a sun-shading tarpaulin, and two ends of the electric winding drum are respectively and rotatably connected with the folding component; one end of the awning cloth far away from the electric winding drum is fixedly arranged between the two mounting support arms; the linked switch is linked with the electric winding drum and triggered by the folding assembly to control the electric winding drum to stop rotating. According to the technical scheme provided by the embodiment of the application, the folding component is connected with the electric winding drum and the mounting support arm, so that the electric winding drum can move in a telescopic manner relative to the mounting support arm, and the awning capable of being automatically opened and closed can be formed by matching with awning cloth; one end of the awning cloth is fixedly arranged on the electric winding drum, and the other end of the awning cloth is fixedly arranged between the two mounting support arms, and the telescopic control of the awning cloth can be completed through the rotation of the electric winding drum.

Description

Electric awning with limiting power-off protection

Technical Field

The application relates to the technical field of electric sunshades, in particular to an electric sunshade with limiting power-off protection.

Background

The motor home, also called as 'home on wheel', has two functions of 'house' and 'car', but the attribute is the car, and is a mobile car type with essential basic facilities at home; the car as a house often uses the awning in the use.

The existing roller type electric awning in the market generally has a main problem that the opening and the recovery are not limited, and the electric awning can be confirmed to be completely opened or completely recovered only by the subjective feeling of users, so that the personnel who are unfamiliar with the product are easy to cause misoperation, and the control switch is easy to be electrified for a long time, so that the motor of the electric awning is overloaded, and the fault loss is caused; therefore, the above problems need to be solved.

Disclosure of Invention

In view of the above-mentioned deficiencies or inadequacies in the prior art, it would be desirable to provide a motorized awning with limited outage protection.

The application provides an electric awning with limited power-off protection, which comprises a mounting support arm and an electric winding drum;

the mounting support arms are respectively positioned at two ends of the electric winding drum, and a folding component and a linkage switch are respectively arranged corresponding to the electric winding drum;

the electric winding drum is provided with a sun-shading tarpaulin, and two ends of the electric winding drum are respectively rotatably connected with the folding assembly; one end of the awning cloth far away from the electric winding drum is fixedly arranged between the two mounting support arms;

the linkage switch is linked with the electric winding drum and is triggered by the folding assembly to control the electric winding drum to stop rotating.

Further, the folding assembly includes an extension arm and a lever arm; one end of the extension support arm is connected with the electric reel, and the other end of the extension support arm is connected with the mounting support arm through a telescopic support arm; one end of the lever support arm is hinged on the installation support arm, and the other end of the lever support arm is hinged at the position, close to the middle, of the extension support arm.

Furthermore, the telescopic support arm comprises a body and a telescopic part; the body and the end, close to each other, of the telescopic part are provided with locking bolts, and the end, far away from each other, of the body is hinged to the mounting support arm and the extending support arm respectively.

Furthermore, the device also comprises a support rod; the support rod is an elastic rod, one end of the support rod is hinged to the mounting support arm, and the other end of the support rod is hinged to the middle of the lever support arm.

Furthermore, the linkage switch is fixedly arranged on the mounting support arm and is positioned at one end of the lever support arm far away from the extension support arm.

Further, the ganged switch includes a housing; a limit switch and a microswitch are arranged in parallel in the shell; a first trigger mechanism is arranged on the lever support arm corresponding to the limit switch; and a second trigger mechanism is arranged on the extension support arm corresponding to the microswitch.

Furthermore, the first trigger mechanism comprises a limit adjusting sheet and a limit bolt; one end of the limiting adjusting sheet is fixedly arranged on the lever support arm, and one end of the limiting adjusting sheet is provided with a threaded through hole corresponding to the limiting bolt; the limiting bolt is adjustably mounted on the limiting adjusting sheet through the threaded through hole.

Furthermore, the second trigger mechanism comprises a limiting pressing sheet and a pressing block; the limiting pressing sheet is an elastic piece, is arranged on the shell and is used for increasing the triggering area of the microswitch; the pressing block is fixedly arranged at one end of the extension supporting arm close to the electric winding drum.

The application has the advantages and positive effects that:

according to the technical scheme, the folding component is connected with the electric winding drum and the mounting support arm, so that the electric winding drum can move in a telescopic manner relative to the mounting support arm, and the awning capable of being automatically opened and closed can be formed by matching with awning cloth; one end of the awning cloth is fixedly arranged on the electric winding drum, and the other end of the awning cloth is fixedly arranged between the two mounting support arms, so that the telescopic control of the awning cloth can be completed through the rotation of the electric winding drum, and meanwhile, the folding power of the folding assembly can be provided; the linkage switch linked with the electric winding drum can control the electric winding drum to automatically stop by utilizing the limit position of the folding assembly, and the electric winding drum is damaged due to misoperation on the surface.

Drawings

Fig. 1 is a schematic structural diagram of an electric awning with a limiting power-off protection function according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a ganged switch of an electric awning with a limiting power-off protection function according to an embodiment of the present application;

fig. 3 is a schematic structural diagram of a side view of a linked switch of the electric awning with limiting power-off protection according to an embodiment of the present application.

The text labels in the figures are represented as: 100-mounting a support arm; 110-an extension arm; 120-lever arm; 130-telescopic support arm; 131-locking bolts; 140-a support bar; 200-electric reel; 210-awning cloth; 300-a ganged switch; 310-a housing; 320-limit switch; 321-limit adjusting sheets; 322-a limit bolt; 330-a microswitch; 331-limiting tabletting; 332-briquetting.

Detailed Description

The following detailed description of the present application is given for the purpose of enabling those skilled in the art to better understand the technical solutions of the present application, and the description in this section is only exemplary and explanatory, and should not be taken as limiting the scope of the present application in any way.

Referring to fig. 1-3, the present embodiment provides an electric awning with limited power-off protection, which includes a mounting arm 100 and an electric roller 200; wherein, the mounting arms 100 are respectively positioned at two ends of the electric reel 200 and fixedly mounted on the vehicle body; the two ends of the electric reel 200 are respectively arranged on the corresponding mounting arms 100 through folding components; meanwhile, the electric winding drum 200 is also wound with a sunshade tarpaulin 210; one end of the awning cloth 210 is fixedly installed on the electric reel 200, and the other end is fixedly installed on the vehicle body and is positioned between the two installation support arms 100, so that the awning cloth 210 can be folded and unfolded by rotating the electric reel 200, and the awning capable of being automatically folded and unfolded can be formed by matching with the extension and retraction of the folding assembly.

In a preferred embodiment, the folding assembly includes an extension arm 110 and a lever arm 120; the lever arm 120 is hinged to the mounting arm 100 at one end and to the extension arm 110 near the middle so that the extension arm 110 forms a lever structure; the extension arm 110 is connected to the motorized reel 200 at one end and to the mounting arm 100 at the other end via a telescoping arm 130.

Preferably, the telescopic arm 130 includes a body and a telescopic portion; wherein, one end of the body close to the telescopic part is provided with a threaded hole, the telescopic part is provided with a matched strip-shaped hole corresponding to the threaded hole, and the tightness between the telescopic part and the body can be adjusted by simultaneously penetrating the locking bolt 131 through the strip-shaped hole and the threaded hole, so that the length of the telescopic support arm 130 can be adjusted and can be relatively fixed;

preferably, the end of the body remote from the telescopic part is hinged on the mounting arm 100, and the end of the telescopic part remote from the body is hinged on the extension arm 110; after the awning cloth 210 is completely opened, the angle of the awning cloth 210 can be effectively changed by adjusting the length of the telescopic support arm 130; the length of the telescopic arm 130 is fixed during the opening or the contraction of the awning cloth 210, thereby limiting the movement track of the extension arm 110.

Preferably, the mounting arm 100 is further hinged with a support rod 140; the support rod 140 is an elastic rod, one end of which is hinged on the mounting support arm 100 and the other end of which is hinged in the middle of the lever support arm 120; when the awning cloth 210 is contracted, the lever arm 120 compresses the support bar 140 for storing energy; on the contrary, when the sunshade cloth 210 is unfolded, the lever arm 120 loses external force, and the support rod 140 is reset and released, so as to drive the lever arm 120 to rotate relative to the mounting arm 100.

In a preferred embodiment, the mounting arm 100 is further provided with a ganged switch 300 corresponding to the folding assembly; the ganged switch 300 is ganged with the electric roller 200 and triggered by the folding component, thereby ensuring that the electric roller 200 can stop rotating after the awning cloth 210 is completely opened or completely contracted, and preventing the electric roller 200 from being damaged due to long-time overload.

Preferably, the ganged switch 300 includes a housing 310; the shell 310 is fixedly arranged on the mounting support arm 100, and a limit switch 320 and a microswitch 330 are arranged in parallel inside the shell; wherein the limit switch 320 is triggered by the lever arm 120 for limiting the maximum angle at which the folding assembly opens; the micro-switch 330 is activated by extending the arm 110 to limit the minimum angle at which the folding assembly can fold.

Preferably, the lever arm 120 is provided with a first trigger mechanism corresponding to the limit switch 320; the first trigger mechanism comprises a limit adjusting sheet 321 and a limit bolt 322; the limit adjusting sheet 321 is L-shaped, the included angle is an obtuse angle, one end of the limit adjusting sheet is fixedly mounted at one end of the lever support arm 120 far away from the extension support arm 110, and a matched threaded through hole is formed at one end of the limit adjusting sheet corresponding to the limit bolt 322; the limiting bolt 322 is adjustably mounted in the threaded through hole and is locked with the limiting adjusting sheet 321 through a matched nut.

Preferably, the extension arm 110 interfaces with the microswitch 330 via a second trigger mechanism; the second trigger mechanism comprises a limiting pressing sheet 331 and a pressing block 332; the limiting pressing sheet 331 is an elastic member, is fixedly mounted on the housing 310, and is used for increasing the trigger area of the microswitch 330; the pressing block 332 is fixedly installed at one end of the extension arm 110 close to the electric roller 200, and when the awning cloth 210 is completely retracted, the extension arm 110 is folded to be parallel to the installation arm 100, so as to trigger the micro switch 330 and stop the awning cloth 210 from being further retracted.

The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention in other contexts without modification may be viewed as within the scope of the present application.

Claims

1. An electric awning with limited power-off protection is characterized by comprising a mounting arm (100) and an electric roller (200);

the mounting support arms (100) are respectively positioned at two ends of the electric reel (200), and a folding component and a linked switch (300) are respectively arranged corresponding to the electric reel (200);

the electric winding drum (200) is provided with a sunshade tarpaulin (210), and two ends of the sunshade tarpaulin are respectively and rotatably connected with the folding component; one end of the sunshade tarpaulin (210) far away from the electric reel (200) is fixedly arranged between the two mounting arms (100);

the linkage switch (300) is linked with the electric winding drum (200) and is triggered by the folding assembly to control the electric winding drum (200) to stop rotating.

2. The motorized awning with positive power down protection as claimed in claim 1, wherein said folding assembly comprises an extension arm (110) and a lever arm (120); one end of the extension support arm (110) is connected with the electric reel (200), and the other end of the extension support arm is connected with the installation support arm (100) through a telescopic support arm (130); one end of the lever support arm (120) is hinged on the installation support arm (100), and the other end is hinged on the middle part of the extension support arm (110).

3. The electric awning with Limit Power-off protection according to claim 2, wherein said telescopic arm (130) comprises a body and a telescopic part; the body and the telescopic part are provided with locking bolts (131) at the ends close to each other, and the ends far away from each other are respectively hinged on the mounting support arm (100) and the extension support arm (110).

4. The electric awning with Limit Power-off protection as claimed in claim 2, further comprising a support rod (140); the supporting rod (140) is an elastic rod, one end of the supporting rod is hinged on the mounting support arm (100), and the other end of the supporting rod is hinged in the middle of the lever support arm (120).

5. The electric awning with limit power-off protection as claimed in claim 2, wherein said ganged switch (300) is fixedly mounted on said mounting arm (100) at an end of said lever arm (120) remote from said extension arm (110).

6. The electric awning with Limit Power-off protection according to claim 2, wherein said ganged switch (300) comprises a housing (310); a limit switch (320) and a microswitch (330) are arranged in the shell (310) in parallel; a first trigger mechanism is arranged on the lever support arm (120) corresponding to the limit switch (320); and a second trigger mechanism is arranged on the extension support arm (110) corresponding to the microswitch (330).

7. The electric awning with limiting power-off protection according to claim 6, wherein the first triggering mechanism comprises a limiting adjusting sheet (321) and a limiting bolt (322); one end of the limiting adjusting sheet (321) is fixedly arranged on the lever support arm (120), and the other end of the limiting adjusting sheet is provided with a threaded through hole corresponding to the limiting bolt (322); the limiting bolt (322) is adjustably mounted on the limiting adjusting sheet (321) through the threaded through hole.

8. The electric awning with Limit Power-off protection as claimed in claim 6, wherein said second triggering mechanism comprises a Limit pressure plate (331) and a pressure plate (332); the limiting pressing sheet (331) is an elastic piece, is arranged on the shell (310) and is used for increasing the triggering area of the microswitch (330); the pressing block (332) is fixedly arranged at one end of the extension arm (110) close to the electric reel (200).