CN220849532U - Moving device for roller shutter door winding drum - Google Patents
Moving device for roller shutter door winding drum Download PDFInfo
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- CN220849532U CN220849532U CN202322524635.9U CN202322524635U CN220849532U CN 220849532 U CN220849532 U CN 220849532U CN 202322524635 U CN202322524635 U CN 202322524635U CN 220849532 U CN220849532 U CN 220849532U
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- 238000004804 winding Methods 0.000 title claims abstract description 69
- 238000005096 rolling process Methods 0.000 claims abstract description 13
- 230000000712 assembly Effects 0.000 claims abstract description 5
- 238000000429 assembly Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 description 13
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a moving device for a roller shutter door winding drum, which comprises a door frame side plate; two symmetrical reel moving assemblies are arranged at two axial ends of the reel, and each reel moving assembly comprises a turbine disc, a turbine guide block and a moving plate assembly; the turbine disc is coaxially connected with the winding drum, a movable guide plate is arranged on the end surface of the turbine disc, which is back to the winding drum, and the projection of the movable guide plate on the end surface of the turbine disc is in a plane spiral line structure; the turbine guide blocks are fixedly connected with portal side plates on the corresponding sides, and a plurality of guide blocks are arranged on the end faces of the turbine guide blocks facing the turbine disc; the movable guide plate is clamped between two adjacent guide blocks; the movable plate component is in running fit with the turbine disc, and the upper end and the lower end of the movable plate component are in rolling connection with the portal side plates on the corresponding sides. According to the utility model, the turbine disc rotates to drive the winding drum and the moving plate assembly to move in the front-back direction so as to adapt to the diameter change of the winding drum when the winding drum winds the door plate, thereby realizing the protection of the door body and reducing the burden of the winding drum in rotation.
Description
Technical Field
The utility model belongs to the technical field of rolling doors, and particularly relates to a moving device for a rolling door winding drum.
Background
The rolling door is formed by connecting door plates in series, rotating an upper door and a lower door by taking a winding drum above the door as a center, wherein the winding drum rotates to wind the door plates to open or unwind the door plates to close, the unreeled part of the door plates can be in vertical guiding fit with upright posts on door frames at two sides, and the vertical center line of the upright posts is vertical to the central axis of the winding drum.
At present, the winding drum rotates around a fixed central shaft, and in the process that the winding drum rotates up and down to wind the door plate, the winding drum and the door plate wound by the winding drum form a cylindrical structure with the diameter continuously changing. In the conventional roller shutter door, when the roller and the column 02 are in a different position in the actual roller setting of the door panel, as shown in the roller winding door panel diagram in fig. 1, the door panel 01 moves away from the column 02 to wind and then a bending angle α appears leftwards or rightwards due to the continuous change of the diameter of the cylindrical structure, on the one hand, the door panel 01 is easy to be damaged, and on the other hand, the bending angle α increases the friction between the bending position of the door panel 01 and the column 02, so as to increase the rotation load of the roller. Therefore, it is desirable to eliminate the bending angle α occurring at the time of winding as much as possible.
Based on the problems, the application provides the moving device for the roller shutter door roller, which enables the roller shutter door roller to move back and forth along the door frames at two sides when rotating so as to adapt to the diameter change when the roller shutter door plate is wound, thereby eliminating the bending angle alpha when winding as much as possible, further realizing the protection of the door body and reducing the burden of the roller shutter.
Disclosure of utility model
The utility model aims to overcome the defects in the prior art and provide a moving device for a roller shutter door roller.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
A kind of rolling slats door reel uses the shifter, including the portal side plate located at axial both ends of reel;
Two symmetrical reel moving assemblies are arranged at two axial ends of the reel, and each reel moving assembly comprises a turbine disc, a turbine guide block and a moving plate assembly;
The turbine disc is coaxially and fixedly connected with the winding drum, a movable guide plate is arranged on the end face, facing away from the winding drum, of the turbine disc, and the projection of the movable guide plate on the end face of the turbine disc is in a planar spiral line structure;
The turbine guide blocks are fixedly connected with portal side plates on the corresponding sides, and a plurality of guide blocks are uniformly arranged on the end face of the turbine guide block facing the turbine disc along the front-back direction;
The movable guide plate is clamped between two adjacent guide blocks;
The movable plate assembly is in running fit with the turbine disc, and the upper end and the lower end of the movable plate assembly are in rolling connection with the portal side plates on the corresponding sides in the front-back direction.
Preferably, the turbine disc is connected with the corresponding end surface of the winding drum through a connecting assembly; the middle part of the connecting component is rotationally matched with a turbine disc shaft;
the middle part of the turbine disc is provided with a through hole for the turbine disc shaft to pass through;
One end of the turbine disc shaft, which is opposite to the winding drum, is connected with a mounting plate, and the mounting plate is fixedly connected with a corresponding movable plate assembly.
Preferably, the connecting component comprises a flange shaft which is coaxially and fixedly connected with the corresponding end part of the winding drum, and the middle part of the flange shaft is in running fit with the turbine disc shaft;
the flange shaft is coaxially and fixedly connected with the connecting wheel in an annular structure, and the connecting wheel is fixedly connected with the turbine disc.
Preferably, the upper end and the lower end of the movable plate assembly are provided with a plurality of rollers;
The portal side plates are provided with guide rails which are used for being matched with the rollers.
Preferably, the moving plate assembly comprises a first moving plate and a second moving plate;
the middle part of the first moving plate protrudes towards the direction of the second moving plate and then is attached to the second moving plate;
The upper end and the lower end of the second movable plate are fixedly connected with the corresponding end parts of the first movable plate after being bent towards the direction of the first movable plate;
After the first moving plate and the second moving plate are combined together, the upper end and the lower end of the first moving plate respectively form a rectangular through hole for installing rollers;
and roller holes for extending out of the corresponding rollers are formed in the upper end and the lower end of the second moving plate.
Preferably, the first moving plate is provided with a plurality of reinforcing ribs.
Preferably, the fifth wheel at one end of the spool is connected to a drive assembly for driving the spool to rotate;
the driving assembly comprises a chain wheel, a transmission chain wheel and a motor;
The motor is fixedly arranged on the corresponding movable plate assembly, and an output shaft of the motor is coaxially and fixedly connected with the transmission chain wheel; the transmission chain wheel is connected with the chain wheel through a chain;
The chain wheel is coaxially and fixedly connected with the connecting wheel.
Preferably, three strip-shaped holes are formed in the base of the motor, and the length direction of each strip-shaped hole is the front-back direction;
Three threaded holes which are in one-to-one correspondence with the strip-shaped holes are arranged on the corresponding movable plate assembly;
the strip-shaped holes are connected by fastening bolts after being aligned with the corresponding threaded holes.
Preferably, a mounting frame is arranged on the movable plate assembly connected with the motor, a tensioning bolt for pressing the motor to tension the chain is arranged on the mounting frame, and a tensioning nut is arranged on the tensioning bolt between the mounting frame and the motor.
The beneficial effects of the utility model are as follows:
When the winding drum rotates, the turbine disc is driven to rotate by the flange shaft and the connecting wheel, and in the rotating process of the turbine disc, the turbine disc can drive the winding drum and the moving plate assembly to move in the front-back direction along the guide rail of the side plate of the portal on the basis that the turbine guide block is fixed on the side plate of the portal due to the plane spiral line attribute of the moving guide plate, so that the diameter change when the winding drum winds the door plate is adapted, the bending angle alpha generated during winding is eliminated as much as possible, the protection of the door body is further realized, and the rotating load of the winding drum is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application.
FIG. 1 is a view of a roll-up door panel;
fig. 2 is a schematic perspective view of a moving device for a roll door roll according to the present utility model;
FIG. 3 is a schematic view of a spool movement assembly according to the present utility model;
FIG. 4 is a schematic illustration of the fit of a turbine disk to a turbine guide block in accordance with the present utility model;
FIG. 5 is a schematic view of the structure of a turbine disk of the present utility model;
FIG. 6 is a schematic view of the structure of the turbine guide block of the present utility model;
FIG. 7 is a schematic illustration of the position of the mounting plate and turbine disk of the present utility model;
FIG. 8 is a schematic view of the structure of the moving plate assembly of the present utility model;
FIG. 9 is a second schematic illustration of the fit of a turbine disk and turbine guide block in accordance with the present utility model;
FIG. 10 is a schematic view of the unreeled portion of the door panel naturally hanging down for vertical guiding engagement with the pillar;
Wherein:
01-door plate, 02-upright post, 03-winding drum, 04-door frame side plate and 041-guide rail;
1-a turbine disc, 101-a movable guide plate and 102-a through hole;
2-turbine guide blocks, 201-guide blocks;
3-moving plate assembly, 301-roller, 302-first moving plate, 303-second moving plate, 304-rectangular through hole, 305-roller hole, 306-guide block hole, 307-threaded hole, 308-reinforcing rib;
4-turbine disk shaft;
5-mounting plates, 501-mounting spaces;
6-flange shaft, 7-fifth wheel, 8-sprocket, 9-motor, 10-bar hole, 11-chain, 12-mounting bracket, 13-tensioning bolt, 14-tensioning nut.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
In the present utility model, the terms such as "upper", "lower", "bottom", "top", and the like refer to the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are merely relational terms used for convenience in describing the structural relationships of the various components or elements of the present utility model, and are not meant to designate any one component or element of the present utility model, and are not to be construed as limiting the present utility model.
In the present utility model, terms such as "connected," "connected," and the like are to be construed broadly and mean either fixedly connected or integrally connected or detachably connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in the present utility model can be determined according to circumstances by a person skilled in the relevant art or the art, and is not to be construed as limiting the present utility model.
The utility model will be further described with reference to the drawings and examples.
Example 1:
As shown in fig. 2, a moving device for a roller shutter door winding drum comprises portal side plates 04 positioned at two axial ends of the winding drum 03;
two symmetrical reel moving assemblies are arranged at two axial ends of the reel 03, and as shown in fig. 3, the reel moving assemblies comprise a turbine disc 1, a turbine guide block 2 and a moving plate assembly 3;
The turbine disc 1 is coaxially and fixedly connected with the winding drum 03, as shown in fig. 5, a movable guide plate 101 is arranged on the end surface of the turbine disc 1, which is away from the winding drum 03, and the projection of the movable guide plate 101 on the end surface of the turbine disc 1 is in a planar spiral structure; wherein the number of turns of the spiral of the moving guide plate 101 is greater than 1;
The turbine guide blocks 2 are fixedly connected with portal side plates 04 on the corresponding sides, as shown in fig. 6, a plurality of guide blocks 201 are uniformly arranged on the end surface of the turbine guide block 2 facing the turbine disc 1 along the front-back direction; specifically, the front and rear end surfaces of the guide block 201 have an arc-shaped structure to fit the moving guide plate 101;
As shown in fig. 4, the movable guide plate 101 is clamped between two adjacent guide blocks 201;
The movable plate assembly 3 is in running fit with the turbine disc 1, and the upper end and the lower end of the movable plate assembly 3 are in rolling connection with the portal side plates 04 on the corresponding sides in the front-back direction.
Preferably, the turbine disc 1 is connected with the corresponding end surface of the winding drum 03 through a connecting assembly; the middle part of the connecting component is rotatably matched with a turbine disc shaft 4;
the middle part of the turbine disc 1 is provided with a through hole 102 for the turbine disc shaft 4 to pass through;
the turbine disc shaft 4 is connected with a mounting plate 5 at one end facing away from the winding drum 03, and the mounting plate 5 is fixedly connected with the corresponding movable plate assembly 3.
Wherein, as shown in fig. 7, the middle part of the mounting plate 5 protrudes in the direction of the winding drum 03, thereby forming a receiving cavity 501 for mounting the turbine guide block 2.
Preferably, the connecting assembly comprises a flange shaft 6 which is coaxially and fixedly connected with the corresponding end part of the winding drum 03, and the middle part of the flange shaft 6 is in running fit with the turbine disc shaft 4;
The flange shaft 6 is coaxially and fixedly connected with the connecting wheel 7 in an annular structure, and the connecting wheel 7 is fixedly connected with the turbine disc 1.
Specifically, the flange shaft 6 and the fifth wheel 7, and the fifth wheel 7 and the turbine disk 1 are all connected by bolts.
Preferably, as shown in fig. 8, a plurality of rollers 301 are disposed at the upper and lower ends of the moving plate assembly 3;
as shown in fig. 3, the portal side plate 04 is provided with a guide rail 041 for matching with the roller 301, wherein two symmetrical guide rails 041 are provided on each portal side plate 04.
Preferably, as shown in fig. 8, the moving plate assembly 3 includes a first moving plate 302 and a second moving plate 303;
The middle part of the first moving plate 302 protrudes towards the direction of the second moving plate 303 and then is attached to the second moving plate 303;
The upper and lower ends of the second moving plate 303 are fixedly connected with the corresponding ends of the first moving plate 302 after being bent towards the direction of the first moving plate 302; specifically, the two ends of the second moving plate 303 are bent in the direction of the first moving plate 302 and then welded to the corresponding ends of the first moving plate 302;
After the first moving plate 302 and the second moving plate 303 are combined together, a rectangular through hole 304 for installing the roller 301 is formed at the upper end and the lower end respectively; specifically, the moving plate assembly 3 has the rectangular through hole 304, so that the torsion resistance and the bending strength can be improved;
the upper and lower ends of the second moving plate 303 are provided with roller holes 305 through which the corresponding rollers 301 extend.
Specifically, the moving plate assembly 3 is provided with a guide block hole 306 through which the turbine guide block 2 passes. In the application, the movable plate component 3 is positioned on the inner side of the portal frame side plate 04, and the turbine guide block 2 is fixedly connected with the portal frame side plate 04, then penetrates through the guide block hole 306 inwards, and is matched with the turbine disc 1.
Preferably, a plurality of reinforcing ribs 308 are provided on the first moving plate 302 to increase the strength of the moving plate assembly 3.
The moving device for the rolling shutter door roller in the embodiment 1 is as follows:
When the winding drum 03 rotates, the flange shaft 6 and the connecting wheel 7 drive the turbine disc 1 to rotate, in the rotating process of the turbine disc 1, due to the plane spiral line attribute of the movable guide plate 101, on the basis that the turbine guide block 2 is fixed on the portal side plate 04, the turbine disc 1 can drive the winding drum 03 and the movable plate assembly 3 to move along the guide rail 041 of the portal side plate 04 in the front-back direction so as to adapt to the change of the diameter of the winding drum 03 when the door plate is wound, thereby reducing the bending angle during winding, further realizing the protection of the door body and reducing the burden of the winding drum rotation.
When the rolling door winding drum is installed by the moving device, initially, as shown in fig. 10, the part of the door plate which is not wound is naturally hung down to be in vertical guide fit with the upright post. In the subsequent use process, the winding drum 03 and the door plate wound on the winding drum 03 form a cylindrical structure, and when the change rate of the radius r at the tangent position of the door plate and the cylindrical structure is matched with the moving rate of the moving plate assembly 3, the non-wound part of the door plate always naturally hangs down to be in vertical guiding fit with the upright post, so that the bending angle alpha generated during winding is eliminated as much as possible. Specifically, when the actual increment of the radius r of each circle at the tangent position of the door plate and the cylindrical structure is consistent with the pitch value of the plane spiral line of the movable guide plate 101, the unreeled part of the door plate always naturally hangs down to be in vertical guide fit with the upright post, so that the bending angle alpha generated during winding is eliminated as much as possible.
As shown in fig. 9, when the turbine disk 1 rotates clockwise along with the winding drum 03, the matching trend of the moving guide plate 101 and the turbine guide block 2 at this time causes the turbine disk 1 to drive the winding drum 03 and the moving plate assembly 3 to move forward along the guide rail 041 of the portal side plate 04, and at this time, the winding drum 03 rotates clockwise to realize door opening around the rolling door plate; when the increasing rate of the radius at the tangent position of the door plate and the cylindrical structure is matched with the advancing rate of the movable plate assembly 3, the part of the door plate which is not wound always naturally hangs down to be in vertical guiding fit with the upright post, so that the bending angle alpha generated during winding is eliminated as much as possible.
When the turbine disc 1 rotates anticlockwise along the winding drum 03, the matching trend of the movable guide plate 101 and the turbine guide block 2 causes the turbine disc 1 to drive the winding drum 03 and the movable plate assembly 3 to move backwards along the guide rail 041 of the portal side plate 04, at the moment, the winding drum 03 rotates anticlockwise to loosen the door plate to realize closing of the door, and when the reduction rate of the radius of the tangent position of the door plate and the cylindrical structure is matched with the backward movement rate of the movable plate assembly 3, the part of the door plate, which is not wound, always naturally hangs down to be matched with the guide of the upright column in the vertical direction, so that the bending angle alpha generated during winding is eliminated as much as possible.
Example 2:
On the basis of the embodiment 1, a fifth wheel 7 positioned at one end of the winding drum 03 is connected with a driving assembly for driving the winding drum 03 to rotate;
as shown in fig. 2, the driving assembly comprises a chain wheel 8, a transmission chain wheel and a motor 9;
The motor 9 is fixedly arranged on the corresponding movable plate assembly 3, and an output shaft of the motor 9 is coaxially and fixedly connected with the transmission sprocket; the transmission chain wheel is connected with the chain wheel 8 through a chain 11;
The chain wheel 8 is coaxially and fixedly connected with the fifth wheel 7.
In the application, a single chain wheel 8 can be adopted, the chain wheel 8 and the fifth wheel 7 are coaxially and fixedly connected, and one of the fifth wheels 7 can be directly arranged into a chain wheel structure.
Preferably, three bar-shaped holes 10 are arranged on the base of the motor 9, the three bar-shaped holes 10 are arranged in a triangle shape, and the length direction of the bar-shaped holes 10 is the front-back direction;
Three threaded holes 307 which are in one-to-one correspondence with the strip-shaped holes 10 are arranged on the corresponding movable plate assembly 3;
The strip-shaped holes 10 are connected by tightening bolts after being aligned with the corresponding screw holes 307.
Preferably, a mounting frame 12 is arranged on the moving plate assembly 3 connected with the motor 9, a tensioning bolt 13 pressed towards the motor 9 to tension the chain 11 is arranged on the mounting frame 12, and a tensioning nut 14 is arranged on the tensioning bolt 13 between the mounting frame 12 and the motor 9.
The moving device for a roll door roll in embodiment 2 is as follows:
The motor 9 is started, and the connecting wheel 7 is driven to rotate through the driving chain wheel, the chain 11 and the chain wheel 8, so that the rotation of the winding drum 03 is realized. When the winding drum 03 rotates, the flange shaft 6 and the connecting wheel 7 drive the turbine disc 1 to rotate, in the rotating process of the turbine disc 1, due to the plane spiral line attribute of the movable guide plate 101, on the basis that the turbine guide block 2 is fixed on the portal side plate 04, the turbine disc 1 can drive the winding drum 03 and the movable plate assembly 3 to move in the front-back direction along the guide rail 041 of the portal side plate 04 so as to adapt to the change of the diameter of the winding drum 03 when the door plate is wound, so that the bending angle alpha generated during winding is eliminated as much as possible, the protection of a door body is realized, and the rotating burden of the winding drum is reduced.
While the foregoing is directed to embodiments of the present utility model, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (9)
1. A kind of rolling slats door reel uses the shifter, including the portal side plate located at axial both ends of reel; it is characterized in that the method comprises the steps of,
Two symmetrical reel moving assemblies are arranged at two axial ends of the reel, and each reel moving assembly comprises a turbine disc, a turbine guide block and a moving plate assembly;
The turbine disc is coaxially and fixedly connected with the winding drum, a movable guide plate is arranged on the end face, facing away from the winding drum, of the turbine disc, and the projection of the movable guide plate on the end face of the turbine disc is in a planar spiral line structure;
The turbine guide blocks are fixedly connected with portal side plates on the corresponding sides, and a plurality of guide blocks are uniformly arranged on the end face of the turbine guide block facing the turbine disc along the front-back direction;
The movable guide plate is clamped between two adjacent guide blocks;
The movable plate assembly is in running fit with the turbine disc, and the upper end and the lower end of the movable plate assembly are in rolling connection with the portal side plates on the corresponding sides in the front-back direction.
2. The moving device for a roll-up door roll according to claim 1, wherein the turbine disc is connected to the corresponding end surface of the roll by a connecting assembly; the middle part of the connecting component is rotationally matched with a turbine disc shaft;
the middle part of the turbine disc is provided with a through hole for the turbine disc shaft to pass through;
One end of the turbine disc shaft, which is opposite to the winding drum, is connected with a mounting plate, and the mounting plate is fixedly connected with a corresponding movable plate assembly.
3. The moving device for a roll-up door roll according to claim 2, wherein the connection assembly includes a flange shaft fixedly connected coaxially with the corresponding end of the roll, and the middle part of the flange shaft is in a rotating fit with the turbine disc shaft;
the flange shaft is coaxially and fixedly connected with the connecting wheel in an annular structure, and the connecting wheel is fixedly connected with the turbine disc.
4. The moving device for a roll-up door roll according to claim 1, wherein the moving plate assembly is provided with a plurality of rollers at both upper and lower ends thereof;
The portal side plates are provided with guide rails which are used for being matched with the rollers.
5. The moving device for a roll-up door roll according to claim 4, wherein the moving plate assembly comprises a first moving plate, a second moving plate;
the middle part of the first moving plate protrudes towards the direction of the second moving plate and then is attached to the second moving plate;
The upper end and the lower end of the second movable plate are fixedly connected with the corresponding end parts of the first movable plate after being bent towards the direction of the first movable plate;
After the first moving plate and the second moving plate are combined together, the upper end and the lower end of the first moving plate respectively form a rectangular through hole for installing rollers;
and roller holes for extending out of the corresponding rollers are formed in the upper end and the lower end of the second moving plate.
6. The moving device for a roll-up door roll according to claim 5, wherein the first moving plate is provided with a plurality of reinforcing ribs.
7. A moving device for a roll-up door roll as claimed in claim 3, wherein the fifth wheel at one end of the roll is connected to a driving assembly for driving the roll to rotate;
the driving assembly comprises a chain wheel, a transmission chain wheel and a motor;
The motor is fixedly arranged on the corresponding movable plate assembly, and an output shaft of the motor is coaxially and fixedly connected with the transmission chain wheel; the transmission chain wheel is connected with the chain wheel through a chain;
The chain wheel is coaxially and fixedly connected with the connecting wheel.
8. The moving device for the rolling shutter door winding drum according to claim 7, wherein three strip-shaped holes are formed in the base of the motor, and the length direction of the strip-shaped holes is the front-back direction;
Three threaded holes which are in one-to-one correspondence with the strip-shaped holes are arranged on the corresponding movable plate assembly;
the strip-shaped holes are connected by fastening bolts after being aligned with the corresponding threaded holes.
9. The moving device for a roll-up door roll according to claim 8, wherein a mounting frame is provided on a moving plate assembly connected to the motor, a tension bolt pressed against the motor to tension the chain is provided on the mounting frame, and a tension nut is provided on the tension bolt between the mounting frame and the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322524635.9U CN220849532U (en) | 2023-09-18 | 2023-09-18 | Moving device for roller shutter door winding drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322524635.9U CN220849532U (en) | 2023-09-18 | 2023-09-18 | Moving device for roller shutter door winding drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220849532U true CN220849532U (en) | 2024-04-26 |
Family
ID=90747493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322524635.9U Active CN220849532U (en) | 2023-09-18 | 2023-09-18 | Moving device for roller shutter door winding drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220849532U (en) |
-
2023
- 2023-09-18 CN CN202322524635.9U patent/CN220849532U/en active Active
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