CN217872573U

CN217872573U - Bottom beam device of roller shutter door and roller shutter door system

Info

Publication number: CN217872573U
Application number: CN202221495243.3U
Authority: CN
Inventors: 高立山
Original assignee: Assa Abloy Tianming Beijing Door Co Ltd
Current assignee: Assa Abloy Tianming Beijing Door Co Ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-11-22
Anticipated expiration: 2032-06-15

Abstract

The utility model discloses a rolling slats door floorbar device and rolling slats door system, include: a seat plate arranged below the roller shutter in the height direction and rising along with the rising of the roller shutter; the elastic part support is fixedly connected with the seat plate; the adjusting bracket is arranged below the seat board along the height direction and is parallel to the ceiling; the upright stanchion extends along the height direction and is fixedly connected with the adjusting bracket; one end of the elastic element is abutted against the upright rod, the other end of the elastic element is abutted against the elastic element support, and the elastic element support are elastically fixed on the adjusting bracket; and the height limiting positioning block is arranged on the ceiling and is positioned above the adjusting support, and the adjusting support can move upwards along the height direction to abut against the height limiting positioning block. The utility model discloses can weaken the rolling slats door because the bending deformation that current gravity caused promotes the aesthetic feeling when reducing the potential safety hazard.

Description

Bottom beam device of roller shutter door and roller shutter door system

Technical Field

The utility model relates to a rolling slats door field, in particular to floorbar device and rolling slats door system of rolling slats door.

Background

The bottom beam of the rolling door is an aluminum alloy hollow plate body of the bottom of the rolling door connected with door sheets, and is a part contacting the ground when the rolling door is closed. Roller doors are commonly used in stores, and act as horizontal partitions like walls.

The bottom beam of the inorganic cloth roller shutter on the market can have the phenomenon of sagging deflection along with the increase of the width of the shutter surface, and the middle part of the base plate of the roller shutter door can have the phenomenon of sagging roller shutter after being lifted, so that the roller shutter door is not attractive and can cause potential safety hazards.

Disclosure of Invention

The utility model aims to solve the bottom beam of rolling slats door and along with the increase of curtain face width, the flagging problem of amount of deflection appears. The invention provides a bottom beam device of a rolling door, which can weaken the bending deformation of the rolling door caused by the existing gravity.

In order to solve the above technical problem, an embodiment of the utility model discloses a bottom beam device of rolling slats door, the bottom beam device includes: a seat plate arranged below the roller shutter in the height direction and rising along with the rising of the roller shutter; the elastic part support is fixedly connected with the seat plate; an adjustment bracket disposed below the seat plate in the height direction in parallel relation to a ceiling; the upright stanchion extends along the height direction and is fixedly connected with the adjusting bracket; one end of the elastic piece is abutted against the upright rod, the other end of the elastic piece is abutted against the elastic piece support, and the elastic piece support are elastically fixed on the adjusting bracket; and the height limiting positioning block is arranged on the ceiling and is positioned above the adjusting support, and the adjusting support can move upwards along the height direction and is abutted against the height limiting positioning block.

Adopt above-mentioned technical scheme, can realize rising along with lasting of rolling up the curtain, the bedplate rises, adjusts the support and rises, when rolling up the curtain and stopping rising, the accessible is installed the elastic component compression on the bedplate and is formed reverse deflection, with the deflection neutralization that current gravity caused for roll up the curtain and continue upward movement, when adjusting the support and offsetting with the limit for height locating piece, roll up curtain stop motion, adjust the support this moment and flush with the ceiling, the elastic component is in compression state.

According to the utility model discloses a further concrete implementation way still includes spacing side's pipe, limit for height the locating piece includes a plurality ofly, limit for height side's pipe set up in a plurality of limit for height locating piece below, the ceiling top, it is a plurality of limit for height the locating piece distributes along length direction, and locates limit for height side's pipe.

According to the utility model discloses a further concrete implementation mode, the pole setting has the trompil, the trompil is provided with the pin, the elastic component the one end with the pin offsets.

According to another embodiment of the present invention, the vertical rod can move up and down along the height direction relative to the elastic member support.

According to another embodiment of the present invention, the pin passes through the hole along a length direction, the length direction being perpendicular to the height direction.

According to another embodiment of the present invention, the elastic member is a spring, and the spring is disposed between the pin and the elastic member support; before the adjusting bracket abuts against the height-limiting positioning block, the spring is in a compressed state; when the adjusting bracket is abutted to the height limiting positioning block, the spring is in a compressed state.

According to the utility model discloses a another embodiment, the spring housing is located the outer peripheral face of pole setting.

According to the utility model discloses a further concrete implementation adjust the support with the limit for height locating piece offsets, and is in adjust the support not level with the ceiling, adjust the support and can follow the direction of height continuously rises, the spring is in compression state.

According to the utility model discloses a further embodiment adjust the support with when limit for height locating piece offsets, the upper surface of spacing side's pipe with the upper surface of adjusting the support is located same horizontal plane.

According to another embodiment of the present invention, along the length direction, the seat plate is provided with a plurality of the elastic member supports at intervals, the adjusting bracket is provided with a plurality of the upright rods corresponding to the elastic member supports one by one, and each of the upright rods is elastically connected with the corresponding elastic member support through the elastic member; the ceiling is provided with a plurality of height-limiting positioning blocks along the length direction, and the length direction is vertical to the height direction.

According to the utility model discloses a it is a plurality of limit for height locating piece is followed the length direction interval sets up, so that adjust the support and can follow the direction of height move to with the ceiling flushes.

The application also provides a rolling slats door system, includes: a rolling door having a rolling shutter movable in the height direction; the bottom beam device of any one of the above claims, wherein the seat plate is disposed below the roller blind in a height direction and ascends along with the rising of the roller blind; the ceiling is provided with the height limiting positioning block.

According to another embodiment of the invention, the seat plate is fixedly connected to the roller blind by a seat plate connection.

According to another embodiment of the utility model, the device also comprises an electric cabinet, a threading pipe, a guide rail, a button box, a scroll and a rolling curtain transmission disc which are used for controlling the rolling curtain door to lift; wherein,

the electric cabinet is positioned above the suspended ceiling along the height direction; the guide rails are arranged on the left side and the right side of the roller shutter door along the length direction, extend along the height direction, and move up and down on the guide rails; the button box is used for controlling the upward movement, the downward movement and the stop of the roller shutters on the guide rail; the threading pipe is used for connecting the electric cabinet and the button box; the scroll is a component which is arranged above the curtain surface and drives the roller shutter to move up and down and extends along the length direction; the roller shutter transmission disc comprises a gear and is arranged on the ceiling, and the roller shutter passes through the roller shutter transmission disc to move up and down the guide rail.

Drawings

Fig. 1 is a schematic view showing a lowering state of a roller shutter according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along the line C-C in FIG. 1;

FIG. 3 is a schematic view of the connection between the sill assembly and the seat pan of the roller blind of the present invention;

FIG. 4 is an enlarged view of a portion of the sill assembly of FIG. 3;

fig. 5 shows a first perspective view of a bottom beam device according to an embodiment of the present invention;

fig. 6 shows a second perspective view of a bottom beam device according to an embodiment of the present invention;

fig. 7 shows a schematic view of the sill beam arrangement of an embodiment of the present invention flush with the ceiling.

Reference numerals: 1. an electric cabinet; 2. a suspended ceiling; 2a, a suspended ceiling hanger; 3. a threading pipe; 4. a guide rail; 5. a button box; 6. rolling a curtain; 6a, a reel; 7. a ground surface; 8. a structure top; 8a, a structural beam; 9. a drive plate; 10. a column; 11. a shutter turning disc; 12. a seat plate; 12a, a seat plate connecting piece; 13. a spring adjuster; 13a, erecting a rod; 13b, a spring support; 13c, a pin; 13d, a spring; 14. a height limiting positioning block; 15. limiting the square tube; 16. adjusting the bracket; w _j A net width; w _d Width of the opening; h. the fire-proof rolling screen is opened; H. the opening of the fireproof rolling shutter structure is high.

Detailed Description

The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. While the invention will be described in conjunction with the preferred embodiments, it is not intended to limit the features of the invention to that embodiment. On the contrary, the intention of implementing the novel features described in connection with the embodiments is to cover alternatives or modifications as may be included in the appended claims. In the following description, numerous specific details are included to provide a thorough understanding of the invention. The invention may be practiced without these particulars. Moreover, some of the specific details have been omitted from the description in order not to obscure or obscure the focus of the present invention. It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other.

It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

In the description of the present embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the present invention is usually placed when the present invention is used, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present embodiment, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the present embodiment can be understood as specific cases by those of ordinary skill in the art.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Inorganic cloth of the inorganic cloth roll screen on the existing market can be along with the increase of curtain face and spool width, because its dead weight can be crooked, and the power of rolling up the screen is used for the spool, and the spool all can flagging bending with rolling up the screen, and these crooked combined action causes the stack deformation on the bedplate for the bedplate is crooked, appears the flagging phenomenon of amount of deflection promptly. The height difference between the base plate and the ceiling caused by deflection and sagging can affect the decoration effect of the building, is not beautiful and can cause potential safety hazards. However, this phenomenon is inherent, and even with the use of a more secure roller or shutter, the difference in height between the seat plate and the ceiling cannot be eliminated, and can only be weakened by other means, so that the roller shutter adjustment bracket is flush with the ceiling in appearance.

Referring to fig. 1, the utility model relates to a rolling slats door system, include: electric cabinet 1, furred ceiling 2, threading pipe 3, guide rail 4, button box 5, roll up curtain 6 and spool 6a. The electric cabinet 1 is positioned above the suspended ceiling 2 along the height direction (shown in the Z direction in figure 1), and the electric cabinet 1 has the functions of automatic overload protection, automatic open-phase protection and the like; the electric wire is arranged in the threading pipe 3, one end of the electric wire is connected with the electric cabinet 1, and the other end of the electric wire is connected with the button box 5; guide rails 4 arranged on the left and right sides of the rolling door along the length direction (shown as the direction X in fig. 1), the guide rails 4 extending along the height direction, and the rolling door 6 sliding up and down on the guide rails 4 along the height direction; a button box 5 for controlling the upward and downward movement and stop of the roller shutter 6 on the guide rail 4; and a winding shaft 6a installed above the screen surface and extending in the longitudinal direction, wherein the rolling screen 6 moves up and down by a rotational movement around the winding shaft 6a.

Illustratively, the opening width W of the tambour door shown in FIG. 1 _d 4 m to 20 m (normally, the width W of the opening _d No additional bottom beam adjusting device is needed when the width is less than 4 meters), and the net width W _j Is the width W of the opening _d Subtracting the width of the guide rails 4 on the left side and the right side, the height H of the structural opening of the fireproof roller shutter is 10 m at most, and the net opening H of the fireproof roller shutter is the height H of the structural opening minus 800mm.

Referring to fig. 2 and 3, the utility model relates to a rolling slats door still includes: the suspended ceiling hanging bracket comprises a suspended ceiling hanging bracket 2a, a suspended ceiling expansion bolt 2b, a structural roof 8, a structural beam 8a, a driving plate 9, a roller shutter driving disc 11, a seat plate connecting piece 12a and a spring adjuster 13. Wherein the structural beam 8a is located below the structural roof 8 in the height direction (shown in the Z direction in fig. 2), both belonging to the house fixing structure; the suspended ceiling hanger 2a is arranged below the structural roof 8 and above the suspended ceiling 2 along the height direction, and the structural roof 8 and the suspended ceiling 2 are detachably and fixedly connected through a suspended ceiling expansion bolt 2b by the suspended ceiling hanger 2 a; the roller shutter driving disc 11 comprises a gear, the roller shutter driving disc 11 is arranged above the suspended ceiling 2 and below the structural beam 8a along the height direction, and the roller shutter 6 moves up and down on the guide rail 4 through the roller shutter driving disc 11, for example, rotates around the roller shaft 6a along the height direction; a driving plate 9 provided at one end of the winding shaft 6a in a longitudinal direction (shown by an X direction in fig. 2) on the roller shutter driving plate 11; a seat board connecting part 12a for fixedly connecting the seat board 12 with the adjusting bracket 16 in a detachable way; and a spring adjuster 13 fixedly connected with the seat plate 12, wherein the spring adjuster 13 comprises a vertical rod 13a, a spring support 13b, a pin 13c and a spring 13d, and the following description refers to.

Referring to fig. 3 and 4 in combination with fig. 5 to 7, the present invention provides a bottom beam device for a roll door, including: seat plate 12, elastic component support 13b, adjusting bracket 16, upright 13a, elastic component 13d and height-limiting positioning block 14. Wherein, the seat board 12 is arranged below the roller shutter 6 along the height direction (shown in the direction Z in fig. 4), the seat board 12 extends along the length direction (shown in the direction X in fig. 4), under the control of the button box 5, the seat board 12 can rise along with the rising of the roller shutter 6 and fall down, that is, the seat board 12 is driven to rise when the roller shutter 6 rises, and the seat board 12 is driven to fall when the roller shutter 6 falls; the elastic piece support 13b is arranged on the outer surface of the seat plate 12, exemplarily, the elastic piece support 13b is formed by integrally bending a cold-rolled galvanized steel plate, and the elastic piece support 13b is welded with the seat plate 12; an adjusting bracket 16 arranged below the seat plate 12 along the height direction (shown as the Z direction in fig. 5), the adjusting bracket 16 extends along the length direction and is parallel to the ceiling, and the adjusting bracket 16 is lifted along with the seat plate 12 along with the lifting of the roller shutter 6 and falls down; the upright rod 13a extends in the height direction, one end of the upright rod 13a is fixedly connected with the adjusting bracket 16, and the upright rod 13a can move in the height direction relative to the elastic piece support 13 b; an elastic member 13d (e.g., a spring) has one end abutting against the vertical rod 13a and one end abutting against the elastic member support 13b along the height direction, and the elastic member 13d and the elastic member support 13b elastically fix the adjusting bracket 16.

Illustratively, referring to fig. 6 and 7, the height-limiting positioning block 14 is a square body shown in fig. 6, and has several (for example, 3) height-limiting positioning blocks, the height-limiting positioning blocks are arranged on the ceiling and located above the adjusting bracket 16, and the adjusting bracket 16 can move upward along the height direction to abut against the height-limiting positioning blocks 14.

In some possible embodiments, the bottom beam device further includes a limit square pipe 15 extending along the length direction (shown in the X direction in fig. 4), the limit square pipe 15 is disposed below the height limit positioning block 14 and above the ceiling (e.g., the suspended ceiling 2), and the upper surface of the limit square pipe 15 is connected to the lower surface 14 of the height limit positioning block, that is, the height limit positioning block 14 is mounted on the limit square pipe 15 (shown in fig. 4, 6 and 7). When the adjusting bracket 16 abuts against the height limiting positioning block 14, the upper surface of the adjusting bracket 16 and the upper surface of the height limiting square tube 15 are located on the same horizontal plane, and the upper surfaces of the adjusting bracket 16 and the height limiting square tube 15 are connected with the lower surface of the height limiting positioning block 14. Illustratively, the height-limiting positioning block 14 may be mounted on the upper surface of the limiting square tube 15, or may be directly mounted on the ceiling without the limiting square tube 15.

By adopting the technical scheme (taking the lifting of the roller shutter 6 as an example), referring to fig. 1 and 2, when an operator presses the button box 5, an operation instruction reaches the electric cabinet 1 through the threading pipe 3, the operation is started, the roller shutter 6 starts to lift on the guide rail 4 along the height direction from the ground 7, and meanwhile, the seat plate 12, the adjusting bracket 16 and the whole spring adjusting device synchronously lift along with the lifting of the roller shutter 6.

Referring to fig. 3 and 4, when the rolling screen 6 is lifted to a certain position, i.e. without relying on a spring adjusting device, the rolling screen 6 cannot be lifted any more by only the rolling screen door system itself, at this time, the adjusting bracket 16 of the portion (e.g. both ends in the length direction of the seat plate 12) with small bending deformation or even no deformation of the seat plate 12 abuts against the height-limiting positioning block 14 on the ceiling first, the other portion (e.g. the middle portion of the seat plate 12) of the seat plate 12 with large bending deformation, the adjusting bracket 16 does not abut against the height-limiting positioning block 14 yet, at this time, the elastic member 13d located there is continuously compressed, so that the rolling screen 6 is lifted continuously, the seat plate 12 and the adjusting bracket 16 are lifted accordingly, until the adjusting bracket 16 abuts against several height-limiting positioning blocks 14 on the ceiling, the rolling screen 6 stops moving, at this time, the adjusting bracket 16 is flush with the ceiling, and the elastic member 13d is in a compressed state, that is reached the state shown in fig. 6 and 7. At the moment, the height difference between the adjusting bracket 16 and the ceiling is obviously weakened, and the potential safety hazard is reduced while the building decoration effect and the attractiveness are improved.

In some possible embodiments, with reference to fig. 5, the upright 13a projects from the elastic element support 13b at one end in the height direction (shown in the direction Z in fig. 5) and is directed towards the ceiling; the upright 13a has an opening provided with a pin 13c, and one end of the elastic element 13d abuts against the pin 13c, i.e. the pin 13c has the function of a snap elastic element 13d.

In some possible embodiments, the vertical rod 13a is welded to the adjusting bracket 16, and when the roller shutter 6 continues to rise until it is close to above the shutter surface and stops rising, the elastic member 13d starts to compress, the vertical rod 13a can move upward in the height direction (shown in the direction Z in fig. 5) relative to the elastic member support 13b, and the roller shutter 6 continues to rise until the adjusting bracket 16 abuts against the height limit positioning block 14.

In some possible embodiments, with reference to fig. 5, the pin 13c extends through the opening of the upright 13a in a length direction (indicated by the direction X in fig. 5), the length direction being perpendicular to the height direction. To enhance the connection stability between the pin 13c and the upright 13a, the pin 13c and the upright 13a can be fixedly connected by welding, so that the pin 13c can be more stably clamped during the compression of the elastic member 13d.

In some possible embodiments, the elastic member 13d is a spring, and is disposed between the pin 13c and the elastic member support 13 b; referring to fig. 4, when the rolling screen 6 rises to be close to the upper side of the screen surface and is difficult to continue to rise, the spring 13d starts to be compressed, the adjusting bracket 16 gradually approaches the height limiting positioning block 14 until the adjusting bracket 16 abuts against the height limiting positioning block 14, namely, the adjusting bracket 16 is flush with the ceiling, and the spring 13d is still in a compressed state.

In some possible embodiments, with reference to fig. 5, a spring 13d is fitted around the outer circumference of the upright 13a and is constrained between the elastic element support 13b and the pin 13c, so that the roller shutter 6 can be raised by compressing the spring 13d, ensuring the reliability of the elastic connection between the adjustment bracket 16 and the elastic element support 13b.

In some possible embodiments, when the adjusting bracket 16 is not abutted against the height-limiting positioning block 14, i.e., when the adjusting bracket 16 is not flush with the ceiling, the adjusting bracket 16 can be continuously lifted in the height direction (shown in the Z direction in fig. 5) by the spring 13d, and the spring 13d is in a compressed state.

In some possible embodiments, referring to fig. 6, when the adjusting bracket 16 abuts against the height-limiting positioning block 14, the upper surface of the square limiting pipe 15 and the upper surface of the adjusting bracket 16 are located on the same horizontal plane, and the upper surfaces of the square limiting pipe and the adjusting bracket are connected with the lower surface of the height-limiting positioning block 14, and at this time, the adjusting bracket 16 is flush with the ceiling.

In some possible embodiments, referring to fig. 4, the seat board 12 is provided with a plurality of elastic member supports 13b at intervals along the length direction, the intervals are not limited, each elastic member support 13b is provided with a corresponding upright 13a and an elastic member 13d, one end of each upright 13a corresponding to one of the plurality of elastic member supports 13b passes through the elastic member support 13b and is welded on the adjusting bracket 16 at intervals, and each upright 13a is elastically connected with the corresponding elastic member support 13b through the elastic member 13 d; the ceiling is provided with a plurality of height-limiting positioning blocks 14 along the length direction, and the length direction is vertical to the height direction.

Because the bending deformation degree of the seat plate 12 is gradually decreased from the central part of the seat plate 12 with the highest degree to two sides, a plurality of elastic element supports 13b and corresponding upright rods 13a and elastic elements 13d are arranged at intervals on the seat plate 12, so that the roller shutter 6 can continuously rise under the compression of the elastic elements 13d, the adjusting bracket 16 can move along the height direction to be abutted against a plurality of ceiling upper limit positioning blocks 14, and the bending deformation of the seat plate 12 can be effectively weakened.

In some possible embodiments, referring to fig. 7, a plurality of height-limiting positioning blocks 14 (e.g., 3) are spaced apart in the length direction, and the spacing distance is not limited, and the positions of the height-limiting positioning blocks can be determined according to the bending deformation of the seat plate 12, so that the adjusting bracket 16 can move to be flush with the ceiling in the height direction.

While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a further detailed description of the invention, and it is not intended to limit the invention to the specific embodiments described. Various changes in form and detail, including simple deductions or substitutions, may be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims

1. A sill assembly for a tambour door, said sill assembly comprising:

a seat plate arranged below the roller shutter in the height direction and rising along with the rising of the roller shutter;

the elastic part support is fixedly connected with the seat plate;

an adjustment bracket disposed below the seat plate in the height direction in parallel relation to a ceiling;

the vertical rod extends along the height direction and is fixedly connected with the adjusting bracket;

one end of the elastic element is abutted against the upright rod, the other end of the elastic element is abutted against the elastic element support, and the elastic element support are used for elastically fixing the adjusting bracket;

and the height limiting positioning block is arranged on the ceiling and is positioned above the adjusting support, and the adjusting support can move upwards along the height direction and is abutted against the height limiting positioning block.

2. The bottom beam device according to claim 1, further comprising a plurality of height-limiting positioning blocks, wherein the height-limiting square tubes are disposed below the plurality of height-limiting positioning blocks and above the ceiling, and the plurality of height-limiting positioning blocks are distributed along a length direction and disposed on the height-limiting square tubes.

3. The sill apparatus of claim 1, wherein said upright has an opening, said opening being provided with a pin, said one end of said spring abutting said pin.

4. The sill apparatus of claim 1, wherein said legs are vertically movable relative to said elastomeric supports.

5. The sill apparatus of claim 3, wherein the pin passes through the opening in a length direction, the length direction being perpendicular to the height direction.

6. The sill apparatus of any one of claims 1 to 5, wherein the resilient member is a spring disposed between a pin and the resilient member support; before the adjusting bracket abuts against the height-limiting positioning block, the spring is in a compressed state; when the adjusting bracket is abutted to the height limiting positioning block, the spring is in a compressed state.

7. The sill device of claim 6, wherein the spring is mounted around the outer periphery of the upright.

8. The sill device of claim 6, wherein when the adjustment bracket abuts the height limit locating block and when the adjustment bracket is not flush with the ceiling, the adjustment bracket is able to continuously rise in the height direction, and the spring is in a compressed state.

9. The bottom beam device according to claim 2, wherein when the adjusting bracket abuts against the height-limiting positioning block, the upper surface of the position-limiting square tube and the upper surface of the adjusting bracket are located on the same horizontal plane.

10. The bottom beam device as claimed in claim 1, wherein said seat plate is provided with a plurality of said elastic member supports at intervals along the length direction, said adjusting bracket is provided with a plurality of said upright posts corresponding to said elastic member supports one to one, each of said upright posts is elastically connected with a corresponding said elastic member support through said elastic member; the ceiling is provided with a plurality of height-limiting positioning blocks along the length direction, and the length direction is vertical to the height direction.

11. The sill apparatus of claim 10, wherein a plurality of the height limit locating blocks are spaced apart along the length to enable the adjustment bracket to move along the height to be flush with the ceiling.

12. A roller door system, comprising:

a rolling door having a rolling shutter, movable in the height direction;

the sill device of any one of claims 1 to 11, said seat plate being disposed below said roller blind in a height direction and ascending as said roller blind rises;

and the ceiling is provided with the height limiting positioning block.

13. The roller door system of claim 12, wherein the seat plate is fixedly coupled to the roller shade by a seat plate coupling.

14. The roller shutter door system of claim 12, further comprising an electric cabinet, a conduit, a rail, a button box, a roller and a shutter drive plate for controlling the lifting of the roller shutter door; wherein,

the electric cabinet is positioned above the suspended ceiling along the height direction;

the guide rails are arranged on the left side and the right side of the roller shutter door along the length direction, extend along the height direction, and move up and down on the guide rails;

the button box is used for controlling the upward movement, the downward movement and the stop of the roller shutters on the guide rail; the threading pipe is used for connecting the electric cabinet and the button box;

the scroll is a component which is arranged above the curtain surface and drives the roller shutter to move up and down and extends along the length direction;

the roller shutter transmission disc comprises a gear and is arranged on the ceiling, and the roller shutter moves up and down through the roller shutter transmission disc on the guide rail.