CN210605342U

CN210605342U - Electric screen with built-in battery

Info

Publication number: CN210605342U
Application number: CN201921090213.2U
Authority: CN
Inventors: 戴进云
Original assignee: SHENZHEN SCREEN WORKSHOP TECHNOLOGY CO LTD
Current assignee: SHENZHEN SCREEN WORKSHOP TECHNOLOGY CO LTD
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-05-22
Anticipated expiration: 2029-07-12

Abstract

The utility model discloses an electronic screen of built-in battery, this electronic screen of built-in battery hold including rolling up curtain box body and curtain subassembly in rolling up the curtain box body and install power component, and power component includes the tubular motor, and the axial one end of tubular motor is power output shaft, and power output shaft is connected with the transmission of curtain subassembly, and the axial other end of tubular motor is fixed in rolling up the curtain box body, and the curtain subassembly passes through the tubular motor and rolls up the curtain box body and rotate to be connected, and the tubular motor embeds there is the battery. The electric projection screen with the built-in battery provided by the utility model has the advantages that the motor charged by the built-in battery is assembled on the electric projection screen, so that the projection screen can be normally used continuously when the power is off; the motor through built-in battery and the structure realization normal running fit of electronic projection screen have improved the stability of whole electronic screen when the motor that built-in battery charges rotates.

Description

Electric screen with built-in battery

Technical Field

The utility model relates to an electronic screen technical field especially relates to electronic screen of built-in battery.

Background

At present, electric projection screens on the market are directly powered on for use, and cannot be used when power is off or no power supply exists; and after the common motor of the electric projection curtain is replaced by the motor with the built-in storage battery, the original structure is not suitable for the motor with the built-in storage battery, and the motor cannot be directly used after being replaced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides the electronic screen of built-in battery, also can continue to use when electronic projection curtain cuts off the power supply.

In order to achieve the purpose, the utility model provides an electronic screen of built-in battery, this electronic screen of built-in battery is including rolling up curtain box body and curtain subassembly, it installs power component to roll up in the curtain box body, power component includes the tubular motor, the axial one end of tubular motor is power output shaft, the axial other end of tubular motor is fixed in rolling up the curtain box body, the curtain subassembly pass through the tubular motor with it rotates to roll up the curtain box body and connects, the tubular motor embeds there is the battery.

As an improvement, the curtain subassembly is including rolling up curtain axle and curtain, the one end of curtain is fixed in roll up the curtain axle, roll up the epaxial limiting plate that is equipped with of curtain, the tubulose motor insert roll up behind the one end of curtain axle power output shaft with limiting plate transmission connects.

As an improvement, the middle part of the limiting plate is provided with a limiting hole, and the power output shaft is inserted into the limiting hole to drive the curtain rolling shaft to synchronously rotate.

As an improvement, the diameter of the curtain winding shaft is larger than that of the tubular motor.

As an improvement, the other end joint of rolling up the curtain axle has the connecting piece, the connecting piece is kept away from the terminal surface of rolling up the curtain axle is equipped with the axis of rotation, roll up axial one end fixed mounting of curtain box body has the mounting, fretwork portion is established at the axial middle part of mounting, the diameter of fretwork portion is greater than the diameter of axis of rotation, the axis of rotation stretch into in the fretwork portion of mounting, just the fretwork portion rotates relatively in the axis of rotation.

As an improvement, the mounting with install between the connecting piece and rotate the piece, it is fixed in the fretwork portion of mounting to rotate the piece, the middle part of rotating the piece is equipped with the cavity, the diameter of cavity is greater than the diameter of axis of rotation, the axis of rotation is used for stretching into behind the cavity for the cavity rotates.

As an improvement, the electric screen with the built-in battery further comprises a first end cover and two support frames, the other axial end of the tubular motor is fixed with one support frame through a clamping plate, one support frame is fixed on the first end cover, and the first end cover is fixed at one axial end of the rolling screen box body.

As an improvement, the electric screen with the built-in battery further comprises a second end cover, the fixing piece is fixed on the second end cover through another supporting frame, and the second end cover is fixed at the other axial end of the screen rolling box body.

As an improvement, the other end of the curtain is provided with a lower shaft.

As a refinement, the tubular electric machine comprises a control box, the battery being electrically connected to the control box.

The utility model provides an electronic screen of built-in battery has following beneficial effect:

1. the electric screen with the built-in battery is assembled on the electric projection screen through the motor charged by the built-in battery, so that the projection screen can be normally and continuously used when the power is off.

2. This scheme realizes normal running fit through the structure of built-in battery's motor and electronic projection screen, has improved the stability of whole electronic screen when the motor that built-in battery charges rotates.

Drawings

Fig. 1 is a perspective assembly view of an electric screen according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of the overall explosion structure of fig. 1.

Fig. 3 is an exploded view of the power assembly of fig. 2.

Fig. 4 is a perspective view of the curtain winding shaft in fig. 3.

In the figure: 10. a curtain rolling box body; 11. a hanger; 12. a first end cap; 13. a second end cap; 14. a support frame; 20. a power assembly; 21. a tubular motor; 22. a power take-off shaft; 23. a connecting member; 24. a rotating member; 25. a fixing member; 26. clamping a plate; 30. a curtain assembly; 31. a curtain winding shaft; 311. a limiting plate; 312. a limiting hole; 32. a curtain.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, an embodiment of the present invention provides an electric screen with a built-in battery, which includes a screen winding box 10 and a screen 32 assembly 30, wherein a power assembly 20 is installed in the screen winding box 10, and the screen 32 assembly 30 is wound in or out of the screen winding box 10 through the power assembly 20; the power assembly 20 comprises a tubular motor 21, preferably, the tubular motor 21 adopts a Saia tubular motor 21 with lithium batteries; one end of the tubular motor 21 is a power output shaft 22, and the other end of the tubular motor 21 is detachably connected with a clamping plate 26; the curtain 32 assembly 30 comprises a curtain winding shaft 31 and a curtain 32, wherein one end of the curtain winding shaft 31 is used for inserting the tubular motor 21, the diameter of the curtain winding shaft 31 is larger than that of the tubular motor 21, the other end of the curtain winding shaft 31 is clamped with the connecting piece 23, a rotating shaft extends out of the middle part of the other end of the connecting piece 23, a hollow part is arranged in the middle part of the fixing piece 25, the rotating piece 24 is fixedly arranged in the middle part of the fixing piece 25, specifically, the rotating piece 24 is fixed in the hollow part of the fixing piece 25, a cavity is arranged in the middle part of the rotating piece 24, and preferably, the cavity is cylindrical; the diameter of the cavity is larger than that of the rotating shaft, and the rotating shaft is used for rotating relative to the cavity after extending into the cavity; it should be noted that when the screen winding shaft 31 rotates, the connecting member 23 also rotates synchronously, but the rotating member 24 and the fixed member 25 remain stationary.

Referring to fig. 3, a first end cap 12 and a second end cap 13 are detachably mounted at two ends of the curtain rolling box 10, the inner side of the first end cap 12 is fixedly connected to the tubular motor 21 through a support frame 14, the inner side of the second end cap 13 is fixedly connected to the fixing member 25 through the support frame 14, and the plurality of hangers 11 are fixed at the same side of the curtain rolling box 10 and used for fixing the curtain rolling box 10 to the surface of a wall.

Referring to fig. 2-4 together, when the electric screen with built-in battery is in use, the tubular motor 21 is fixedly mounted with a support frame 14 through a clamping plate 26, the support frame 14 is fixedly connected with the first end cover 12, and the first end cover 12 is fixedly connected with the screen rolling box 10; after the tubular motor 21 is inserted into the cavity of the curtain winding shaft 31, the power output shaft 22 is inserted into the limiting hole 312 of the limiting plate 311 at the position corresponding to the curtain winding shaft 31, so that the transmission installation of the tubular motor 21 and the limiting plate 311 is realized; the other end of the curtain winding shaft 31 is clamped with the connecting piece 23, and when the curtain winding shaft 31 rotates, the connecting piece 23 also synchronously rotates; the rotating piece 24 is embedded in the middle of the fixed piece 25, the fixed piece 25 is fixedly arranged on a support frame 14, the support frame 14 is fixedly arranged with the second end cover 13, and the second end cover 13 is fixedly arranged with the curtain rolling box body 10; it should be noted that the tubular motor 21 includes a battery case and a controller, the battery in the battery case is fully charged, and the battery case and the controller accomplish the connection of the positive and negative electrodes; it should be noted that in the present embodiment, only the operation process when the tubular motor 21 is powered off is described, and the stroke of the tubular motor 21 and the operation process of the power switching circuit board are not described herein; when the power is off, the battery in the battery box supplies power to the tubular motor 21 through the circuit control board in the tubular motor 21, after the tubular motor 21 is connected with the battery, the power output shaft 22 is matched with the limiting hole 312 in the curtain rolling shaft 31 to drive the curtain rolling shaft 31 to rotate, and as the diameter of the curtain rolling shaft 31 is larger than that of the tubular motor 21, one end of the curtain rolling shaft 31 rotates outside the tubular motor 21; the other end of the curtain rolling shaft 31 rotates together with the connecting piece 23, and a rotating shaft extending out of the middle part of the other end of the connecting piece 23 is inserted into the cylindrical cavity in the middle part of the rotating piece 24, so that the other end of the curtain rolling shaft 31 can stably rotate; the other end of the curtain 32 is fitted with a lower shaft to facilitate the curtain 32 remaining flat when retracted and extended.

The above are only embodiments of the present invention, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.

Claims

1. The utility model provides an electronic screen of built-in battery, its characterized in that, is including rolling up curtain box body and curtain subassembly, install power component in rolling up the curtain box body, power component includes the tubular motor, the axial one end of tubular motor is power output shaft, the axial other end of tubular motor is fixed in rolling up the curtain box body, the curtain subassembly pass through the tubular motor with it connects to roll up the curtain box body rotation, the tubular motor embeds there is the battery.

2. The electric screen of claim 1, wherein the screen assembly comprises a screen winding shaft and a screen, one end of the screen is fixed to the screen winding shaft, a limiting plate is arranged in the screen winding shaft, and the power output shaft is in transmission connection with the limiting plate after the tubular motor is inserted into one end of the screen winding shaft.

3. The battery-embedded electric screen according to claim 2, wherein a limiting hole is formed in the middle of the limiting plate, and the power output shaft is inserted into the limiting hole to drive the screen winding shaft to rotate synchronously.

4. The battery-incorporated electric screen of claim 3, wherein the diameter of the screen winding shaft is larger than the diameter of the tubular motor.

5. The battery-embedded electric screen according to claim 2, wherein a connecting member is fastened to the other end of the screen winding shaft, a rotating shaft is provided on an end surface of the connecting member away from the screen winding shaft, a fixing member is fixedly mounted on one axial end of the screen winding case, a hollow portion is provided in the middle of the fixing member in the axial direction, the diameter of the hollow portion is larger than that of the rotating shaft, the rotating shaft extends into the hollow portion of the fixing member, and the rotating shaft is rotatable relative to the hollow portion.

6. The battery-incorporated electric screen according to claim 5, wherein a rotating member is installed between the fixed member and the connecting member, the rotating member is fixed to the hollow portion of the fixed member, a cavity is formed in a middle portion of the rotating member, a diameter of the cavity is larger than a diameter of the rotating shaft, and the rotating shaft is configured to rotate relative to the cavity after extending into the cavity.

7. The battery-incorporated electric screen according to claim 5, further comprising a first end cap and two support brackets, wherein the other axial end of the tubular motor is fixed to one support bracket through a clamping plate, the one support bracket is fixed to the first end cap, and the first end cap is fixed to one axial end of the screen winding box.

8. The battery-incorporated electric screen of claim 7, further comprising a second end cap, wherein the fixing member is fixed to the second end cap by another support bracket, and the second end cap is fixed to the other axial end of the screen winding case.

9. The battery-incorporated electric screen of claim 2, wherein a lower shaft is mounted to the other end of the screen.

10. The battery-incorporated electric screen of claim 1, wherein the tubular motor includes a control box, the battery being electrically connected to the control box.