A precisely controllable roller shutter door

Abstract

The application discloses a precise control rolling shutter door, comprising a rolling shutter door driving device and a rolling shutter door piece, the rolling shutter door driving device comprises a main driving assembly for driving the rolling shutter door piece to lift and a auxiliary driving assembly for assisting the rolling shutter door piece to operate stably, the auxiliary driving assembly comprises a first driving screw vertically arranged on one side of the rolling shutter door piece and a second driving screw vertically arranged on the other side of the rolling shutter door piece, the two sides of the rolling shutter door piece are formed with tooth grooves matched with the first driving screw and the second driving screw, and the rolling shutter door piece comprises a first rolling shutter door and a second rolling shutter door, and the first rolling shutter door and the second rolling shutter door are synchronously driven. The first driving screw and the second driving screw are arranged on the two sides of the rolling shutter door piece respectively to assist driving the rolling shutter door piece to lift. The problems that the electric rolling shutter door is not stable enough in operation, cannot be precisely stopped and the rolling shutter door will quickly fall when the brake fails in the prior art are solved.

Description

Technical Field

[0001] This invention relates to the field of electric roller shutter door operating technology, specifically to a roller shutter door that can be precisely controlled. Background Technology

[0002] Common electric roller shutters are driven by an electric motor to move up and down. During the lifting and lowering process, the power transmission components may malfunction, such as brake failure, deceleration device failure, or transmission chain breakage, which can cause the roller shutter to fall rapidly, easily causing personal injury or property damage.

[0003] In view of this, the applicant conducted in-depth research on the above-mentioned issues, which led to this case. Summary of the Invention

[0004] The main objective of this invention is to provide a roller shutter door that can be precisely controlled, solving the problems in the prior art where electric roller shutter doors are not stable enough, cannot stop precisely, and will fall rapidly when the brakes fail.

[0005] To achieve the above objectives, the solution of the present invention is to provide a roller shutter door that can be precisely controlled, including a roller shutter door drive device and a roller shutter door panel. The roller shutter door drive device includes a main drive assembly for driving the roller shutter door panel to rise and fall, and an auxiliary drive assembly for assisting the roller shutter door panel to operate stably. The auxiliary drive assembly includes a first drive screw vertically disposed on one side of the roller shutter door panel, and a second drive screw vertically disposed on the other side of the roller shutter door panel. The roller shutter door panel has grooves on both sides that cooperate with the first drive screw and the second drive screw. The roller shutter door panel includes a first roller shutter door and a second roller shutter door, and the first roller shutter door and the second roller shutter door are synchronously driven.

[0006] Furthermore, the auxiliary drive assembly also includes a first drive motor and a second drive motor that drive the first drive screw and the second drive screw to rotate, respectively.

[0007] Furthermore, the main drive assembly includes a first transmission rod for driving the first roller shutter door to rise and fall, and a second transmission rod for driving the second roller shutter door to rise and fall.

[0008] Furthermore, the first transmission rod and the second transmission rod are arranged parallel to each other at the same horizontal height.

[0009] Furthermore, the first transmission rod and the second transmission rod are respectively provided with a first transmission tooth and a second transmission tooth at the ends of the same end; the first transmission tooth and the second transmission tooth mesh with each other.

[0010] Furthermore, the other end of the first transmission rod is also provided with a main drive motor that drives the first transmission rod to rotate.

[0011] Furthermore, both the first and second roller shutter doors have a fire-retardant coating on their outer surfaces.

[0012] Furthermore, a heat insulation board is also provided between the first roller shutter door and the second roller shutter door.

[0013] Furthermore, the heat insulation board is fixedly attached to the first roller shutter door.

[0014] Furthermore, it also includes a first sleeve for protecting the first drive screw and a second sleeve for protecting the second drive screw.

[0015] Furthermore, the first door frame includes a first receiving groove for accommodating the first drive screw, and a first stabilizing strip and a second stabilizing strip disposed on the two side walls of the first receiving groove; the first stabilizing strip is located on the outside of the first roller shutter door, and the second stabilizing strip is located on the outside of the second roller shutter door; the first roller shutter door and the second roller shutter door are located between the first stabilizing strip and the second stabilizing strip.

[0016] Furthermore, the first stabilizing bar has a first opening on one side of the first roller shutter door, and the second stabilizing bar has a second opening on one side of the second roller shutter door; the first opening is provided with a plurality of first rollers arranged in the lifting direction of the first roller shutter door; the second opening is provided with a plurality of second rollers arranged in the lifting direction of the second roller shutter door.

[0017] Furthermore, the second door frame includes a second receiving groove for accommodating the second drive screw, and a third and a fourth stabilizing strip disposed on the side walls of the second receiving groove; the third stabilizing strip is located on the outside of the first roller shutter door, and the fourth stabilizing strip is located on the outside of the second roller shutter door; the first roller shutter door and the second roller shutter door are located between the third and the fourth stabilizing strips.

[0018] Furthermore, the third stabilizing bar forms a third opening on the side facing the first roller shutter door, and the fourth stabilizing bar forms a fourth opening on the side facing the second roller shutter door; the third opening is provided with a plurality of third rollers arranged in the lifting direction of the first roller shutter door; the fourth opening is provided with a plurality of fourth rollers arranged in the lifting direction of the second roller shutter door.

[0019] Furthermore, the top of the first door frame and the second door frame are respectively provided with a first mounting plate and a second mounting plate for installing the main drive assembly.

[0020] Furthermore, the first transmission rod and the second transmission rod are rotatably mounted on the first mounting plate and the second mounting plate.

[0021] With the above structure, the roller shutter door of the present invention, which can be precisely controlled, has at least the following advantages compared with the prior art:

[0022] 1. In this case, a first drive screw and a second drive screw are respectively installed on both sides of the roller shutter door panel, and grooves are formed on both sides of the roller shutter door panel to cooperate with the first drive screw and the second drive screw; the first drive screw and the second drive screw can make the roller shutter door panel rise and fall stably, without shaking during the rising and falling process, and can be accurately moved to the predetermined height position.

[0023] Second, the roller shutter door in this case includes a first roller shutter door and a second roller shutter door. By setting the first roller shutter door and the second roller shutter door side by side, the first roller shutter door and the second roller shutter door can be raised and lowered at the same time. By setting two layers of roller shutter doors, the security is higher and the anti-theft effect is better.

[0024] Third, by applying a fire-retardant coating to the outer surfaces of the first and second roller shutter doors, the roller shutter doors can be made fire-resistant. In addition, a heat insulation board is installed between the first and second roller shutter doors, which can keep the room warm in winter and cool in summer. Attached Figure Description

[0025] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0026] Figure 2 This is a schematic diagram of the structure of the roller shutter door panel in this invention;

[0027] Figure 3 This is a schematic diagram of the structure of the first door frame in this invention;

[0028] Figure 4 This is a schematic diagram of the structure of the second door frame in this invention;

[0029] Figure 5 This is a schematic diagram of the auxiliary drive component structure in this invention.

[0030] In the diagram: 1-Main drive assembly, 11-First transmission rod, 12-Second transmission rod, 13-First transmission gear, 14-Second transmission gear, 15-Main drive motor;

[0031] 2-Auxiliary drive assembly, 21-First drive screw, 22-Second drive screw, 23-First drive motor, 24-Second drive motor;

[0032] 3-Roller shutter panel, 31-First roller shutter door, 32-Second roller shutter door, 33-Groove, 34-Insulation board;

[0033] 4-First door frame, 41-First receiving groove, 42-First stabilizing strip, 43-Second stabilizing strip, 44-First roller, 45-Second roller, 46-First mounting plate;

[0034] 5-Second door frame, 51-Second receiving groove, 52-Third stabilizing strip, 53-Fourth stabilizing strip, 54-Third roller, 55-Fourth roller, 56-Second mounting plate. Detailed Implementation

[0035] To further explain the technical solution of the present invention, the present invention will be described in detail below through specific embodiments.

[0036] like Figure 1-5 As shown, a roller shutter door capable of precise control includes a roller shutter door drive device and a roller shutter door panel 3. The roller shutter door drive device includes a main drive assembly 1 for driving the roller shutter door panel 3 to rise and fall, and an auxiliary drive assembly 2 for assisting the roller shutter door panel 3 to operate stably. The auxiliary drive assembly 2 includes a first drive screw 21 vertically disposed on one side of the roller shutter door panel 3, and a second drive screw 22 vertically disposed on the other side of the roller shutter door panel 3. The roller shutter door panel 3 has grooves 33 on both sides that cooperate with the first drive screw 21 and the second screw. The roller shutter door panel 3 includes a first roller shutter door 31 and a second roller shutter door 32, and the first roller shutter door 31 and the second roller shutter door 32 are synchronously driven. By providing a first drive screw 21 and a second drive screw 22 on both sides of the roller shutter door panel 3, grooves 33 are formed on both sides of the roller shutter door panel 3 to cooperate with the first drive screw 21 and the second drive screw 22. The first drive screw 21 and the second drive screw 22 can make the roller shutter door panel 3 rise and fall stably, without shaking during the rising and falling process, and can move accurately to the predetermined height position. Furthermore, due to the presence of the first drive screw 21 and the second drive screw 22, the door panel will not fall even if the main drive assembly 1 is damaged. In addition, by setting the first roller shutter door 31 and the second roller shutter door 32 side by side, the first roller shutter door 31 and the second roller shutter door 32 can rise and fall simultaneously. By setting two layers of roller shutter doors, the security is higher and the anti-theft effect is better.

[0037] Preferably, the auxiliary drive assembly 2 further includes a first drive motor 23 and a second drive motor 24 that drive the first drive screw 21 and the second drive screw 22 to rotate respectively. The first drive motor 23 is located above the first drive screw 21, and the second drive motor 24 is located above the second drive screw 22. The first drive motor 23 and the second drive motor 24 drive the first drive screw 21 and the second drive screw 22 to rotate respectively.

[0038] Preferably, the main drive assembly 1 includes a first transmission rod 11 for driving the first roller shutter door 31 to rise and fall, and a second transmission rod 12 for driving the second roller shutter door 32 to rise and fall. The first transmission rod 11 and the second transmission rod 12 respectively roll up and lower the first roller shutter door 31 and the second roller shutter door 32 to realize the raising and lowering of the first roller shutter door 31 and the second roller shutter door 32.

[0039] Preferably, the first transmission rod 11 and the second transmission rod 12 are arranged parallel to each other at the same horizontal height. The ends of the first transmission rod 11 and the second transmission rod 12 at the same end are respectively provided with a first transmission tooth 13 and a second transmission tooth 14; the first transmission tooth 13 and the second transmission tooth 14 mesh with each other. The other end of the first transmission rod 11 is also provided with a main drive motor 15 that drives the first transmission rod 11 to rotate. The main drive motor 15 drives the first transmission rod 11 to rotate, and then the first transmission tooth 13 drives the second transmission tooth 14 to rotate, thereby driving the second transmission rod 12 to rotate, realizing the simultaneous raising and lowering of the first roller shutter door 31 and the second roller shutter door 32.

[0040] Preferably, both the outer surfaces of the first roller shutter door 31 and the second roller shutter door 32 are provided with a fire-retardant coating. By spraying fire-retardant paint onto the outer surfaces of the first roller shutter door 31 and the second roller shutter door, a fire-retardant coating is formed to achieve a flame-retardant effect.

[0041] Preferably, a heat insulation board 34 is also provided between the first roller shutter door 31 and the second roller shutter door 32. By providing a heat insulation board 34 between the first roller shutter door 31 and the second roller shutter door 32, the indoor temperature can be kept warm in winter and cool in summer. In addition, the heat insulation board 34 is made of asbestos or rock wool.

[0042] Preferably, the heat insulation plate 34 is fixedly attached to the first roller shutter door 31. The heat insulation plate 34 is a strip-shaped thin plate, and multiple heat insulation plates 34 are attached to the first roller shutter door 31, which facilitates the raising and lowering of the heat insulation plate 34 together with the first roller shutter door 31.

[0043] Preferably, the system also includes a first sleeve 4 to protect the first drive screw 21 and a second sleeve 5 to protect the second drive screw 22. By protecting the first drive screw 21 and the second drive screw 22 with the first sleeve 4 and the second sleeve 5 respectively, the screws can be prevented from accumulating dust and are less prone to damage.

[0044] Preferably, the first door frame 4 includes a first receiving groove 41 for accommodating the first drive screw 21, and a first stabilizing strip 42 and a second stabilizing strip 43 disposed on the two side walls of the first receiving groove 41; the first stabilizing strip 42 is located outside the first roller shutter door 31, and the second stabilizing strip 43 is located outside the second roller shutter door 32; the first roller shutter door 31 and the second roller shutter door 32 are located between the first stabilizing strip 42 and the second stabilizing strip 43. The first stabilizing strip 42 forms a first opening on one side of the first roller shutter door 31, and the second stabilizing strip 43 forms a second opening on one side of the second roller shutter door 32; the first opening is provided with a plurality of first rollers 44 arranged in the lifting direction of the first roller shutter door 31; the second opening is provided with a plurality of second rollers 45 arranged in the lifting direction of the second roller shutter door 32. The second door frame 5 includes a second receiving groove 51 for accommodating the second drive screw 22, and a third stabilizing bar 52 and a fourth stabilizing bar 53 disposed on both side walls of the second receiving groove 51; the third stabilizing bar 52 is located outside the first roller shutter door 31, and the fourth stabilizing bar 53 is located outside the second roller shutter door 32; the first roller shutter door 31 and the second roller shutter door 32 are located between the third stabilizing bar 52 and the fourth stabilizing bar 53. The third stabilizing bar 52 forms a third opening on one side facing the first roller shutter door 31, and the fourth stabilizing bar 53 forms a fourth opening on one side facing the second roller shutter door 32. The third opening is provided with a plurality of third rollers 54 arranged in the lifting direction of the first roller shutter door 31; the fourth opening is provided with a plurality of fourth rollers 55 arranged in the lifting direction of the second roller shutter door 32. By providing a first stabilizing bar 42 and a third stabilizing bar 52 on the outside of the first roller shutter door 31, and a second stabilizing bar 43 and a fourth stabilizing bar 53 on the outside of the second roller shutter door 32, the first roller shutter door 31 and the second roller shutter door 32 can always maintain balance and cooperate with the first drive screw 21 and the second drive screw 22. In addition, by installing a first roller 44, a second roller 45, a third roller 54, and a fourth roller 55 in the first stabilizing bar 42, the second stabilizing bar 43, the third stabilizing bar 52, and the fourth stabilizing bar 53, respectively, the first roller shutter door 31 and the second roller shutter door 32 can be raised and lowered more smoothly.

[0045] Preferably, the tops of the first door frame 4 and the second door frame 5 are respectively provided with a first mounting plate 46 and a second mounting plate for mounting the main drive assembly 1. The first transmission rod 11 and the second transmission rod 12 are rotatably mounted on the first mounting plate 46 and the second mounting plate 56.

[0046] The above embodiments and figures are not intended to limit the product form and style of the present invention. Any appropriate changes or modifications made by those skilled in the art should be considered as not departing from the patent scope of the present invention.

Claims

1. A roller shutter door capable of precise control, comprising a roller shutter door drive device and roller shutter door panels, characterized in that: The roller shutter door driving device includes a main driving assembly for driving the roller shutter door slats to rise and fall, and an auxiliary driving assembly for assisting the roller shutter door slats to operate stably. The auxiliary driving assembly includes a first driving screw vertically disposed on one side of the roller shutter door slats and a second driving screw vertically disposed on the other side of the roller shutter door slats. The roller shutter door slats have grooves on both sides that mate with the first driving screw and the second driving screw. The roller shutter door slats include a first roller shutter door and a second roller shutter door, which are synchronously driven. The auxiliary driving assembly also includes a first driving motor and a second driving motor that drive the first driving screw and the second driving screw to rotate, respectively. The main driving assembly includes a first transmission rod for driving the first roller shutter door to rise and fall and a second transmission rod for driving the second roller shutter door to rise and fall. A heat insulation board is also provided between the first roller shutter door and the second roller shutter door; the heat insulation board is fixedly attached to the first roller shutter door.

2. The roller shutter door with precise control according to claim 1, characterized in that: The first transmission rod and the second transmission rod are arranged parallel to each other at the same horizontal height; the ends of the first transmission rod and the second transmission rod located at the same end are respectively provided with a first transmission tooth and a second transmission tooth; the first transmission tooth and the second transmission tooth mesh with each other.

3. A precisely controllable roller shutter door according to claim 2, characterized in that: The other end of the first transmission rod is also provided with a main drive motor that drives the first transmission rod to rotate.

4. A precisely controllable roller shutter door according to claim 3, characterized in that: The outer surfaces of both the first and second roller shutter doors are coated with a fire-retardant coating.

5. A precisely controllable roller shutter door according to any one of claims 1-4, characterized in that: It also includes a first sleeve for protecting the first drive screw and a second sleeve for protecting the second drive screw.

6. A precisely controllable roller shutter door according to claim 5, characterized in that: The first door frame includes a first receiving groove for accommodating a first driving screw, and a first stabilizing strip and a second stabilizing strip disposed on the side walls of the first receiving groove; the first stabilizing strip is located on the outside of the first roller shutter door, and the second stabilizing strip is located on the outside of the second roller shutter door; the first roller shutter door and the second roller shutter door are located between the first stabilizing strip and the second stabilizing strip; the first stabilizing strip forms a first opening on one side of the first roller shutter door, and the second stabilizing strip forms a second opening on one side of the second roller shutter door; the first opening is provided with a plurality of first rollers arranged along the lifting direction of the first roller shutter door; the second opening is provided with a plurality of second rollers arranged along the lifting direction of the second roller shutter door.

7. A precisely controllable roller shutter door according to claim 5, characterized in that: The second door frame includes a second receiving groove for accommodating a second drive screw, and a third and a fourth stabilizing strip disposed on the side walls of the second receiving groove; the third stabilizing strip is located outside the first roller shutter door, and the fourth stabilizing strip is located outside the second roller shutter door; the first roller shutter door and the second roller shutter door are located between the third and fourth stabilizing strips; the third stabilizing strip forms a third opening on the side facing the first roller shutter door, and the fourth stabilizing strip forms a fourth opening on the side facing the second roller shutter door; the third opening is provided with a plurality of third rollers arranged along the lifting direction of the first roller shutter door; the fourth opening is provided with a plurality of fourth rollers arranged along the lifting direction of the second roller shutter door.

8. A precisely controllable roller shutter door according to claim 5, characterized in that: The top of the first door frame and the second door frame are respectively provided with a first mounting plate and a second mounting plate for mounting the main drive assembly; the first transmission rod and the second transmission rod are rotatably mounted on the first mounting plate and the second mounting plate.

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