CN215859913U - Novel roll up curtain bearing device - Google Patents

Abstract

The utility model relates to a novel roller shutter bearing device, which has the technical scheme that: the method comprises the following steps: the protective cover is used for supporting a bearing roller of a roller wound with cloth, and the lubricating piece is used for reducing the friction force applied to the bearing roller in the rolling condition; the lubricating piece is inserted into the protective cover; the lubricating piece is provided with an accommodating groove matched with the bearing rolling shaft; the bearing rolling shaft is rotatably arranged in the accommodating groove; the fabric winding device has the advantages that the fabric is guaranteed to be even in stress and free of bending deformation when the cloth is put down or put up, and the fabric is wound on the drum with the cloth, and the effect that the fabric wrinkles are smooth and free of the lifting in the winding process is achieved.

Description

Novel roll up curtain bearing device

Technical Field

The utility model relates to the technical field of roller shutters, in particular to a novel roller shutter load-bearing device.

Background

The roller shutter is one of window decoration products, and mainly plays a role in shading light. The roller shutter comprises a protective cover and a roller for winding cloth, wherein the roller is arranged in the protective cover; in the prior art, the roller blind comprises an ultra-wide roller blind, and when the ultra-wide roller blind is used for a long time, the middle of the roller is easy to sag due to the influence of gravity, so that the roller is bent and deformed.

In order to prevent the bending deformation of the roller, a bearing part for bearing the roller is usually arranged in the protective cover, but when the bearing part is installed, other parts are needed to fix the bearing part in the protective cover, the acting force applied to the bearing part by the roller wound with the cloth is the acting force of a plurality of single points due to the influence of the other parts, so that the bearing part is stressed unevenly and bent, the uniform stress action of the roller wound with the cloth cannot be achieved, the cloth wound on the roller is folded under the condition of putting down or taking up the cloth, and the bearing part is easy to crack as a single stressed body under the condition that the roller wound with the cloth drives the bearing part to rotate, so that the problem of missing safety performance of the bearing part is caused.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a novel roller shutter load-bearing device which has the functional advantages that the roller wound with cloth is uniformly stressed and does not have bending deformation in the process of putting down or putting up the cloth, so that the fabric of the cloth is smooth, and the lifting in the winding process is smooth without the occurrence of fabric wrinkles.

The technical purpose of the utility model is realized by the following technical scheme:

a novel roller shutter load bearing device comprising: the protective cover is used for supporting a bearing roller of a roller wound with cloth, and the lubricating piece is used for reducing the friction force applied to the bearing roller in the rolling condition; the lubricating piece is inserted into the protective cover; the lubricating piece is provided with an accommodating groove matched with the bearing rolling shaft; the bearing roller rotates and sets up in the holding tank.

Optionally, a third mounting groove is formed in the protective cover; the lubricating piece is inserted in the third mounting groove; a first protruding part and a second protruding part are arranged on the third mounting groove; the lubricating piece is provided with a first concave part and a second concave part; the first protruding part and the first recessed part are abutted; the second protrusion and the second recess abut.

Optionally, the protective cover includes: the device comprises a first shell, a second shell and a plurality of first connecting pieces; one end of the first connecting piece is inserted with one end of the first shell, and the other end of the first connecting piece is inserted with one end of the second shell; one end of the first shell is abutted against one end of the second shell; a first circular accommodating hole is axially formed in the first shell; a circular second accommodating hole is axially formed in the second shell; the first accommodating hole and the second accommodating hole are communicated to form a third accommodating hole for accommodating the roller; an opening for the cloth to pass through is formed in the third accommodating hole; a first mounting groove is formed in the inner wall of the first accommodating hole; a second mounting groove is formed in the inner wall of the second accommodating hole; the third mounting groove is formed by communicating the first mounting groove and the second mounting groove.

Optionally, the load bearing roller comprises: the first shaft body, the second shaft body and the second connecting piece; one end of the second connecting piece is inserted with one end of the first shaft body, and the other end of the second connecting piece is inserted with one end of the second shaft body; one end of the first shaft body is abutted against one end of the second shaft body; first axis body and second axis body all rotate the setting in the holding tank.

Optionally, the method further includes: the automatic adjusting mechanism is used for adjusting the height of the roller according to the thickness of the cloth wound on the roller; the automatic adjustment mechanism includes: a connecting block and a sliding part; the connecting block is arranged on the roller; the sliding piece is rotatably connected with the connecting block; the sliding piece is connected with the protective cover in a sliding mode.

Optionally, a U-shaped groove is formed in the protective cover; the sliding piece is connected with the U-shaped groove in a sliding mode.

Optionally, the method further includes: an anti-lifting mechanism for preventing the cloth from lifting; the anti-lifting mechanism is arranged on the protective cover.

Optionally, the anti-lift mechanism includes: the first guide sleeve, the second guide sleeve and the limiting block; the first guide sleeve and the second guide sleeve are spliced to form a guide groove; the limiting block is arranged in the guide groove; the limiting block is provided with a clamping groove matched with the side zipper of the cloth or the side zipper of the curtain; the first guide sleeve and the second guide sleeve are both arranged on the protective cover.

Optionally, the method further includes: the mounting plate and the limiting strip; the mounting plate is provided with a clamping part; a clamping strip is arranged on the protective cover; the clamping part is clamped with the clamping strip; one side of the limiting strip is tightly abutted to the mounting plate, and the other side of the limiting strip is tightly abutted to the protective cover.

In conclusion, the utility model has the following beneficial effects:

1. the bearing rolling shaft is always abutted to the cloth wound on the roller, so that the acting force applied to the cloth between the roller and the bearing rolling shaft is uniform, the cloth is prevented from being wrinkled due to uneven stress in the process of putting down or putting up, and the flatness of the cloth in the process of putting down or putting up is ensured.

2. Through the setting of emollient, under the circumstances that the bearing roller shaft rotated, reduced the frictional force between emollient and the bearing roller shaft for the bearing roller shaft pivoted is more smooth and easy.

3. One end of the first connecting piece is connected with one end of the first shell in an inserting mode, the other end of the first connecting piece is connected with one end of the second shell in an inserting mode, the protective covers can be connected in an inserting mode and can be connected according to the width of the cloth, the length of the protective covers is not smaller than the width of the cloth, the first shell, the second shell and the first connecting piece can be conveniently and independently transported in a spliced mode, and installation in a place with limited space is facilitated.

Drawings

FIG. 1 is a side view of a first housing of the present invention;

FIG. 2 is an exploded view of the protective shield of the present invention;

FIG. 3 is an assembly view of the present invention;

FIG. 4 is a schematic view of the automatic adjustment mechanism of the present invention;

fig. 5 is a sectional view of the anti-lift mechanism of the present invention.

In the figure: 1. a protective cover; 11. a first housing; 12. a second housing; 13. a first connecting member; 14. a first accommodation hole; 15. a second accommodation hole; 16. a first mounting groove; 17. a second mounting groove; 18. a U-shaped groove; 19. clamping the strip; 2. a load bearing roller; 21. a first shaft body; 22. A second shaft body; 23. a second connecting member; 3. a lubricating member; 4. a third mounting groove; 41. a first protrusion; 42. a second protrusion; 5. a drum; 6. an automatic adjustment mechanism; 61. connecting blocks; 62. a slider; 7. an anti-lift mechanism; 71. a first guide sleeve; 72. a second guide sleeve; 73. a limiting block; 731. a card slot; 74. a guide groove; 8. mounting a plate; 81. a limiting strip; 82. A clamping part.

Detailed Description

In order to make the objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. Several embodiments of the utility model are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like are used for descriptive purposes only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, configuration, and operation, and therefore should not be construed as limiting the present invention.

The utility model is described in detail below with reference to the figures and examples.

The utility model provides a novel rolling curtain bearing device, as shown in figures 1-3, comprising: the protective cover comprises a protective cover 1, a bearing roller 2 for bearing a roller 5 wound with cloth, and a lubricating piece 3 for reducing the friction force applied to the bearing roller 2 in the rolling condition; the lubricating piece 3 is inserted into the protective cover 1; the lubricating piece 3 is provided with an accommodating groove matched with the bearing rolling shaft 2; the bearing roller 2 is rotatably arranged in the accommodating groove.

In practical application, firstly, the cloth is wound on the roller 5, and then the roller 5 wound with the cloth is placed in the protective cover 1, wherein the cloth is curtain cloth or curtain cloth; bearing roller shaft 2 and lubricating piece 3 all set up along the axial of cylinder 5 in this application, and the length of bearing roller shaft 2 is the same with the width of cloth, bearing roller shaft 2 all the time with the cylinder 5 on the cloth butt of coiling for the effort that the cloth between cylinder 5 and the bearing roller shaft 2 received is even, prevents that the cloth from producing the fold because of the atress inequality at the in-process of putting down or packing up, has guaranteed the cloth and is putting down or the level and smooth of the in-process of packing up.

In the rotating process of the roller 5, the cloth can be driven to be folded or put down, the cloth can be folded or put down to drive the bearing roller 2 to rotate, and under the condition that the bearing roller 2 rotates, friction force is generated between the bearing roller 2 and the lubricating piece 3; in this application, the lubricating member 3 is made of a material with a small friction coefficient, such as polytetrafluoroethylene, polyformaldehyde and the like, so that the friction force between the lubricating member 3 and the bearing roller 2 is reduced, and the bearing roller 2 can rotate more smoothly.

Further, as shown in fig. 1, a third mounting groove 4 is provided on the protection cover 1; the lubricating piece 3 is inserted in the third mounting groove 4; the third mounting groove 4 is provided with a first protruding part 41 and a second protruding part 42; the lubricating piece 3 is provided with a first concave part and a second concave part; the first protruding part 41 and the first recessed part abut; the second protrusion 42 and the second recess abut.

After inserting lubricated piece 3 in third mounting groove 4, first protruding part 41 and first depressed part butt, second protruding part 42 and second depressed part butt for first protruding part 41 and second protruding part 42 all with lubricated piece 3 joint, prevent that lubricated piece 3 from rotating in third mounting groove 4, have improved the stability of this application, have also guaranteed the bearing of lubricated piece 3 to bearing roller shaft 2.

Further, as shown in fig. 2, the protective cover 1 includes: a first shell 11, a second shell 12 and a plurality of first connecting pieces 13; one end of the first connecting piece 13 is inserted with one end of the first shell 11, and the other end is inserted with one end of the second shell 12; one end of the first housing 11 abuts against one end of the second housing 12; a first accommodating hole 14 with a circular shape is axially formed in the first housing 11; a circular second accommodating hole 15 is axially formed in the second housing 12; the first accommodating hole 14 and the second accommodating hole 15 are communicated to form a third accommodating hole for accommodating the roller 5; an opening for the cloth to pass through is formed in the third accommodating hole; a first mounting groove 16 is formed in the inner wall of the first accommodating hole 14; a second mounting groove 17 is formed in the inner wall of the second accommodating hole 15; the third mounting groove 4 is formed by communicating the first mounting groove 16 and the second mounting groove 17.

Specifically, one end of the first connecting piece 13 is inserted into one end of the first shell 11, and the other end of the first connecting piece is inserted into one end of the second shell 12, so that the first shell 11 and the second shell 12 are spliced to form the protective cover 1; the opening of the third accommodating hole faces downwards, and the first accommodating hole 14 and the second accommodating hole 15 are both circular, so that the third accommodating hole is also a circular hole, that is, the inner circumferential surface of the third accommodating hole is an arc surface, and because the inner circumferential surface of the third accommodating hole is an arc surface, the opening of the third accommodating hole is not easy to enlarge due to tension, so that the components in the third accommodating hole fall off, and the upper end of the protective cover 1 is not easy to break, in the application, the number of the first connecting pieces 13 is five, and in other embodiments, the number of the first connecting pieces 13 can be increased or reduced according to actual conditions; five first connecting pieces 13 are uniformly inserted around the third accommodating hole, the shapes of the five first connecting pieces 13 can be different, namely the shapes of the five first connecting pieces 13 can be adjusted according to actual conditions to adapt to the shape of the protection cover 1, and the first shell 11 and the second shell 12 can be connected and the protection cover 1 can be reinforced through the arrangement of the first connecting pieces 13, so that the protection cover 1 is not easy to bend and deform.

The lubricating member 3 in the present application includes: a first lubrication bar and a second lubrication bar; the first lubricating rod is inserted in the first mounting groove 16, the second lubricating rod is inserted in the second mounting groove 17, one end of the first lubricating rod is abutted with one end of the second lubricating rod under the condition that one end of the first shell 11 is abutted with one end of the second shell 12, and the first lubricating rod and the second lubricating rod can be integrally connected, clamped, inserted and the like in other embodiments; the first lubricating rod is provided with a first groove, the second lubricating rod is provided with a second groove, and the first groove and the second groove are communicated to form an accommodating groove.

Further, as shown in fig. 2, the load-bearing roller 2 comprises: a first shaft body 21, a second shaft body 22, and a second link 23; one end of the second connecting piece 23 is inserted with one end of the first shaft body 21, and the other end is inserted with one end of the second shaft body 22; the first shaft body 21 and the second shaft body 22 are rotatably arranged in the accommodating groove; when one end of the first housing 11 abuts one end of the second housing 12, one end of the first shaft body 21 abuts one end of the second shaft body 22.

One end of the second connecting piece 23 is connected with one end of the first shaft body 21 in an inserting mode, the other end of the second connecting piece is connected with one end of the second shaft body 22 in an inserting mode, the bearing roller shaft 2 can be connected in an inserting mode and can be connected according to the width of cloth, the length of the bearing roller shaft 2 is not smaller than the width of the cloth, the first shaft body 21, the second shaft body 22 and the second connecting piece 23 can be independently transported conveniently in the connecting mode capable of being connected in an inserting mode, and installation in a place with limited space is facilitated.

Further, as shown in fig. 4, the method further includes: an automatic adjusting mechanism 6 for adjusting the height of the roller 5 according to the thickness of the cloth wound on the roller 5; the automatic adjustment mechanism 6 includes: a connecting block 61 and a slider 62; the connecting block 61 is arranged on the roller 5; the sliding piece 62 is rotatably connected with the connecting block 61; the slider 62 is slidably connected to the boot 1.

In practical application, the automatic adjusting mechanism 6 can also be adapted to an electric roller shutter; specifically, the number of the automatic adjusting mechanisms 6 is two, a motor head and a tail plug are respectively arranged at two ends of the roller 5 in the application, a connecting block 61 of one automatic adjusting mechanism 6 is fixedly connected with the motor head, and a connecting block 61 of the other automatic adjusting mechanism 6 is fixedly connected with the tail plug; the other end of the first shell 11 is fixedly connected with a first sealing cover plate, and the other end of the second shell 12 is fixedly connected with a second sealing cover plate; the sliding part 62 of one automatic adjusting mechanism 6 is connected with the first cover plate in a sliding way, and the sliding part 62 of the other automatic adjusting mechanism 6 is connected with the second cover plate in a sliding way; in the present application, the sliding members 62 are bearings, the number of the sliding members 62 is two, in other embodiments, the sliding members 62 can be sliding blocks or tandem pulleys, and the number of the sliding members 62 can be increased or decreased according to actual requirements.

Under the condition that the thickness of the cloth wound on the roller 5 is reduced, the sliding part 62 slides downwards, under the condition that the thickness of the cloth wound on the roller 53 is increased, the sliding part 62 slides upwards, through the rotating arrangement of the sliding part 62 and the connecting block 61, in the process that the sliding part 62 slides up and down, the sliding part 62 and the protective cover 1 rotate relatively, so that the friction between the sliding part 62 and the protective cover 1 is rolling friction, the friction force applied to the sliding part 62 is small, the sliding part 62 slides up and down more easily, and the abrasion between the sliding part 62 and the protective cover 1 can be reduced.

Further, as shown in fig. 4, a U-shaped groove 18 is formed on the protection cover 1; the sliding piece 62 is connected with the U-shaped groove 18 in a sliding mode. The number of the U-shaped grooves 18 is also two in the application, and the number of the U-shaped grooves 18 is the same as that of the automatic adjusting mechanisms 6 in other embodiments; one U-shaped groove 18 is formed in the first cover sealing plate, and the other U-shaped groove 18 is formed in the second cover sealing plate; the sliding member 62 of one of the automatic adjustment mechanisms 6 slides up and down in one of the U-shaped grooves 18, and the sliding member 62 of the other automatic adjustment mechanism 6 slides up and down in the other U-shaped groove 18.

Further, as shown in fig. 3, the method further includes: an anti-lifting mechanism 7 for preventing the cloth from lifting; the anti-lifting mechanism 7 is arranged on the protective cover 1.

Specifically, the number of the anti-lifting mechanisms 7 is two, one of the anti-lifting mechanisms 7 is arranged at the other end of the first shell 11, the other anti-lifting mechanism 7 is arranged at the other end of the second shell 12, in practical application, flexible connecting pieces are arranged on the left side and the right side of the cloth and are zippers or pull beads, the flexible connecting pieces are in sliding connection with the anti-lifting mechanisms 7, and zipper accommodating cavities are arranged on the head and the tail plugs of the motor and are used for accommodating surplus thickness differences of the coiled zippers and the cloth; under the condition of putting down the cloth or putting up the cloth, the flexible connecting piece slides along the height direction of the anti-lifting mechanism 7; the anti-lifting mechanism 7 plays a vertical guiding role for the flexible connecting piece and the cloth, and can prevent the cloth from being blown up by wind

Further, as shown in fig. 5, the anti-lift mechanism 7 includes: a first guide sleeve 71, a second guide sleeve 72 and a limit block 73; the first guide sleeve 71 and the second guide sleeve 72 are spliced to form a guide groove 74; the limiting block 73 is arranged in the guide groove 74; a clamping groove 731 which is matched with the side zipper of the cloth or the side zipper of the curtain is arranged on the limiting block 73; the first guide sleeve 71 and the second guide sleeve 72 are both provided on the protective cover 1.

Specifically, flexible connectors get into back and draw-in groove 731 sliding connection in the guide way 74, the zip fastener welds with the cloth and becomes an organic whole, splices through first uide bushing 71 and second uide bushing 72 and forms guide way 74, is convenient for to the installation of stopper 73, can install stopper 73 on first uide bushing 71 earlier, then splices second uide bushing 72 and first uide bushing 71, accomplishes the installation to stopper 73, and second uide bushing 72 can also shelter from stopper 73 and first uide bushing 71 junction.

Further, as shown in fig. 1 and 2, the method further includes: a mounting plate 8 and a limit bar 81; the mounting plate 8 is provided with a clamping part 82; a clamping strip 19 is arranged on the protective cover 1; the clamping part 82 is clamped with the clamping strip 19; one side of the limiting strip 81 is tightly abutted to the mounting plate 8, and the other side of the limiting strip is tightly abutted to the protection cover 1.

In the prior art, a plurality of mounting codes are usually adopted to fix a protection cover 1, the tensile force provided for the protection cover 1 is dispersed, the protection cover 1 is easy to droop in an unstressed area due to the action of gravity, so that the protection cover 1 is bent and deformed, in the application, the length of a mounting plate 8 is not less than that of the protection cover 1, the protection cover 1 enables the upper end face of the protection cover 1 to be completely clamped with a clamping part 82 through a clamping strip 19, and after the protection cover 1 is fixed on a building through the mounting plate 8, the protection cover 1 is uniformly stressed and is not easy to bend and deform due to the action of gravity; the mounting plate 8 is also provided with a protruding part, the clamping strip 19 is arranged along the axial direction of the protective cover 1, and the clamping part 82 is arranged along the axial direction of the mounting plate 8, namely the clamping strip 19 and the clamping part 82 are both transversely arranged; in the installation, fix mounting panel 8 on ceiling or other buildings earlier, can adopt the bolt fastening, then insert joint portion 82 with card strip 19 on the safety cover 1 in, leave the space on vertical between protruding portion and the safety cover 1 this moment, then insert spacing strip 81 in this space, make one side and the safety cover 1 of spacing strip 81 support tightly, spacing strip 81's opposite side supports tightly with mounting panel 8, prevent that safety cover 1 and mounting panel 8 from producing the displacement on vertical, ensure that card strip 19 is located joint portion 82, the stable connection of mounting panel 8 and safety cover 1 has been guaranteed.

Optionally, the third shell can be added according to the actual width of the cloth; the third shell is clamped with the mounting plate 8, the structure of the third shell is the same as that of the first shell 11, the connection mode of the third shell with the first shell 11 or the second shell 12 is the same as that of the first shell 11 and the second shell 12, the first shell 11, the second shell 12 and the third shell form the protective cover 1, the connection relation between the automatic adjusting mechanism 6 and the anti-lifting mechanism 7 with the first shell 11, the second shell 12 and the third shell can be adjusted adaptively according to actual conditions, namely, the application can splice a plurality of shells according to the width of cloth to prolong the width of the protective cover 1, and adaptability is high.

According to the novel roller shutter bearing device, the bearing rolling shaft 2 is always abutted to the cloth wound on the roller 5, so that the acting force applied to the cloth between the roller 5 and the bearing rolling shaft 2 is uniform, wrinkles caused by uneven stress in the process of putting down or folding up the cloth are prevented, and the flatness of the cloth in the process of putting down or folding up the cloth is ensured. Through the arrangement of the lubricating piece 3, under the condition that the bearing roller 2 rotates, the friction force between the lubricating piece 3 and the bearing roller 2 is reduced, so that the bearing roller 2 rotates more smoothly.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims (9)

1. A novel roll up curtain bearing device which characterized in that includes: the protective cover is used for supporting a bearing roller of a roller wound with cloth, and the lubricating piece is used for reducing the friction force applied to the bearing roller in the rolling condition; the lubricating piece is inserted into the protective cover; the lubricating piece is provided with an accommodating groove matched with the bearing rolling shaft; the bearing roller rotates and sets up in the holding tank.

2. The new rolling shutter load bearing unit of claim 1, wherein a third mounting slot is provided on the protective cover; the lubricating piece is inserted in the third mounting groove; a first protruding part and a second protruding part are arranged on the third mounting groove; the lubricating piece is provided with a first concave part and a second concave part; the first protruding part and the first recessed part are abutted; the second protrusion and the second recess abut.

3. The new rolling shutter load bearing device according to claim 2, characterized in that said protective cover comprises: the device comprises a first shell, a second shell and a plurality of first connecting pieces; one end of the first connecting piece is inserted with one end of the first shell, and the other end of the first connecting piece is inserted with one end of the second shell; one end of the first shell is abutted against one end of the second shell; a first circular accommodating hole is axially formed in the first shell; a circular second accommodating hole is axially formed in the second shell; the first accommodating hole and the second accommodating hole are communicated to form a third accommodating hole for accommodating the roller; an opening for the cloth to pass through is formed in the third accommodating hole; a first mounting groove is formed in the inner wall of the first accommodating hole; a second mounting groove is formed in the inner wall of the second accommodating hole; the third mounting groove is formed by communicating the first mounting groove and the second mounting groove.

4. The new roller blind load bearing device as claimed in claim 1, wherein said load bearing roller comprises: the first shaft body, the second shaft body and the second connecting piece; one end of the second connecting piece is inserted with one end of the first shaft body, and the other end of the second connecting piece is inserted with one end of the second shaft body; one end of the first shaft body is abutted against one end of the second shaft body; first axis body and second axis body all rotate the setting in the holding tank.

5. The new rolling shutter load bearing device according to claim 1, characterized in that it further comprises: the automatic adjusting mechanism is used for adjusting the height of the roller according to the thickness of the cloth wound on the roller; the automatic adjustment mechanism includes: a connecting block and a sliding part; the connecting block is arranged on the roller; the sliding piece is rotatably connected with the connecting block; the sliding piece is connected with the protective cover in a sliding mode.

6. The new rolling shutter load bearing unit of claim 5, wherein the protective cover is provided with a U-shaped groove; the sliding piece is connected with the U-shaped groove in a sliding mode.

7. The new rolling shutter load bearing device according to claim 1, characterized in that it further comprises: an anti-lifting mechanism for preventing the cloth from lifting; the anti-lifting mechanism is arranged on the protective cover.

8. The new rolling shutter load bearing device according to claim 7, characterized in that said anti-lift mechanism comprises: the first guide sleeve, the second guide sleeve and the limiting block; the first guide sleeve and the second guide sleeve are spliced to form a guide groove; the limiting block is arranged in the guide groove; the limiting block is provided with a clamping groove matched with the side zipper of the cloth or the side zipper of the curtain; the first guide sleeve and the second guide sleeve are both arranged on the protective cover.

9. The new rolling shutter load bearing device according to any one of claims 1 to 7, characterized in that it further comprises: the mounting plate and the limiting strip; the mounting plate is provided with a clamping part; a clamping strip is arranged on the protective cover; the clamping part is clamped with the clamping strip; one side of the limiting strip is tightly abutted to the mounting plate, and the other side of the limiting strip is tightly abutted to the protective cover.

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