CN215332588U - Splicing lengthened roller shutter - Google Patents

Abstract

The utility model relates to a splicing lengthened roller shutter, which has the technical scheme that: the method comprises the following steps: the curtain cloth winding device comprises a first shell, a second shell, a roller for winding curtain cloth or curtain cloth, a first bearing mechanism for bearing the roller, a second bearing mechanism for bearing the roller, a first connecting piece and a mounting piece for fixing the first shell and the second shell on a building; the first shell and the second shell are abutted to form a cover shell; the housing is clamped with the mounting piece; the roller, the first bearing mechanism and the second bearing mechanism are all arranged in the housing; one end of the first connecting piece is inserted with the first bearing mechanism, and the other end of the first connecting piece is inserted with the second bearing mechanism; this application has when the transportation of being convenient for, has guaranteed the stability of housing and bearing mechanism to the effect of cylinder outrigger.

Description

Splicing lengthened roller shutter

Technical Field

The utility model relates to the technical field of roller shutters, in particular to a splicing lengthened roller shutter.

Background

The roller shutter is one of window decoration products, and mainly plays a role in shading light. The roller shutter comprises a lengthened roller shutter, wherein the lengthened roller shutter is used for lengthening the width of a common roller shutter and generally comprises a housing, a roller wound with curtain cloth or curtain cloth and a bearing mechanism, and the housing and the bearing mechanism of the roller shutter need to be lengthened due to the lengthened width.

In addition, if the existing housing and the bearing mechanism are lengthened in a splicing mode, the stability of the housing is affected, the housing is easy to deform, the stable support of the bearing mechanism on the roller is also affected, and if the splicing mode is not adopted, the inconvenience in transportation is caused due to the overlong length of the housing and the bearing mechanism.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a splicing type lengthened roller shutter, which has the functional advantages of ensuring the stability of a housing and the stable support of a bearing mechanism to a roller while being convenient to transport.

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

a tileable elongated roller blind, comprising: the curtain cloth winding device comprises a first shell, a second shell, a roller for winding curtain cloth or curtain cloth, a first bearing mechanism for bearing the roller, a second bearing mechanism for bearing the roller, a first connecting piece and a mounting piece for fixing the first shell and the second shell on a building; the first shell and the second shell are abutted to form a cover shell; the housing is clamped with the mounting piece; the roller, the first bearing mechanism and the second bearing mechanism are all arranged in the housing; one end of the first connecting piece is connected with the first bearing mechanism in an inserting mode, and the other end of the first connecting piece is connected with the second bearing mechanism in an inserting mode.

Optionally, the first load bearing mechanism comprises: a first load-bearing roller for supporting the drum; a first mounting groove is formed in the first shell; the first bearing rolling shaft is rotatably arranged in the first mounting groove; the second load bearing mechanism includes: a second load-bearing roller for supporting the drum; a second mounting groove is formed in the second shell; the first mounting groove is communicated with the second mounting groove; the second bearing rolling shaft is rotatably arranged in the second mounting groove; one end of the first connecting piece is inserted in the first mounting groove, and the other end of the first connecting piece is inserted in the second mounting groove.

Optionally, the first load bearing mechanism further comprises: a plurality of first rolling elements for reducing the friction to which said first load-bearing roller is subjected in the event of rolling; a plurality of third mounting grooves which correspond to the first rolling pieces one by one are formed in the inner wall of the first mounting groove; the first rolling piece is rotatably arranged in the corresponding third mounting groove.

Optionally, the second load bearing mechanism further comprises: a plurality of second rolling elements for reducing the friction to which said second load-bearing roller is subjected in the event of rolling; a plurality of fourth mounting grooves which correspond to the second rolling pieces one to one are formed in the inner wall of the second mounting groove; the second rolling piece is rotatably arranged in a fourth mounting groove corresponding to the second rolling piece.

Optionally, a first circular accommodating hole is axially formed in the first housing; 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; the roller is arranged in the third accommodating hole; an opening through which the curtain cloth or the curtain can pass is formed in the third accommodating hole.

Optionally, the method further includes: a plurality of second connectors; a plurality of first through holes which are in one-to-one correspondence with the second connecting pieces are axially arranged on the first shell; a plurality of second through holes which are in one-to-one correspondence with the second connecting pieces are axially arranged on the second shell; the first through holes are arranged around the first accommodating hole; the second through holes are formed in the periphery of the second accommodating hole; one end of the second connecting piece is connected with the first through hole in an inserting mode, and the other end of the second connecting piece is connected with the second through hole in an inserting mode.

Optionally, the mount comprises: the mounting plate and the limiting strip; a bayonet is arranged on the mounting plate; a first clamping strip is arranged on the first shell; a second clamping strip is arranged on the second shell; one part of the bayonet is clamped with the first clamping strip; the other part of the bayonet is clamped with the second 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 first shell and the second shell respectively.

Optionally, the method further includes: the automatic adjusting mechanism is used for adjusting the height of the roller according to the thickness of the cord fabric or curtain 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 housing in a sliding mode.

Optionally, the method further includes: an anti-lift mechanism for preventing the curtain or curtain from lifting; 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 zipper at the side edge of the curtain cloth or curtain; the first guide sleeve and the second guide sleeve are both arranged on the housing.

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

1. the first shell and the second shell can be detached, and the first bearing mechanism and the second bearing mechanism can also be detached, so that the elongated roller shutter is convenient to transport, the first shell, the second shell, the first bearing mechanism and the second bearing mechanism are convenient to transport independently, and the transportation burden of transportation workers is reduced;

2. the first bearing roller and the second bearing roller are arranged, so that the curtain cloth or curtain is prevented from being wrinkled due to uneven stress in the process of putting down or taking up, and the curtain cloth or curtain is ensured to be smooth in the process of putting down or taking up;

3. through the arrangement of the first rolling piece and the second rolling piece, the first bearing rolling shaft and the second bearing rolling shaft can rotate more smoothly, and the noise generated in the rotating process of the first bearing rolling shaft and the second bearing rolling shaft is further reduced;

4. through the setting of a plurality of second connecting pieces, under the condition of first casing and second casing butt for first casing and second casing non-deformable have guaranteed the up end of first casing and the up end parallel and level of second casing, and the installed part of being convenient for is fixed first casing and second casing on the building.

Drawings

FIG. 1 is an assembly view of the present invention;

FIG. 2 is a side view of a first load bearing roller and a first rolling member of the present invention;

FIG. 3 is an exploded view of the first and second housings of the present invention;

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

FIG. 5 is a schematic view of a first cover sheet according to the present invention;

FIG. 6 is a cross-sectional view of the anti-lift mechanism of the present invention.

In the figure: 1. a first housing; 11. a first accommodation hole; 12. a first clip strip; 13. a first through hole; 14. a first cover sealing plate; 15. a chute; 2. a second housing; 21. a second accommodation hole; 22. a second card strip; 3. a drum; 4. a first load bearing mechanism; 41. a first load bearing roller; 42. a first rolling member; 5. a second load bearing mechanism; 51. a second load bearing roller; 52. a second rolling member; 6. a first connecting member; 7. a mounting member; 71. mounting a plate; 711. a bayonet; 72. a limiting strip; 8. an automatic adjustment mechanism; 81. connecting blocks; 82. a slider; 9. an anti-lift mechanism; 91. a first guide sleeve; 92. a second guide sleeve; 93. a limiting block; 931. a card slot; 94. a guide groove; 10. a second connecting member.

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 splicing lengthened roller shutter, which is shown in figures 1-3 and comprises: the device comprises a first shell 1, a second shell 2, a roller 3 for winding curtain cloth or curtain cloth, a first bearing mechanism 4 for bearing the roller 3, a second bearing mechanism 5 for bearing the roller 3, a first connecting piece 6 and a mounting piece 7 for fixing the first shell 1 and the second shell 2 on a building; the first shell 1 and the second shell 2 are abutted to form a cover shell; the housing is clamped with the mounting piece 7; the roller 3, the first bearing mechanism 4 and the second bearing mechanism 5 are all arranged in the housing; one end of the first connecting piece 6 is inserted with the first bearing mechanism 4, and the other end is inserted with the second bearing mechanism 5.

Under the condition of installing the lengthened roller blind, firstly, an installing part 7 is fixed on a building, then, a first shell 1 and a second shell 2 are both clamped on the installing part 7, then, the first shell 1 and the second shell 2 are pushed to enable the first shell 1 and the second shell 2 to be abutted to form a housing, in the process that the first shell 1 and the second shell 2 are close to each other, one end of a first connecting piece 6 is inserted with a first bearing mechanism 4, the other end of the first connecting piece 6 is inserted with a second bearing mechanism 5, after the first shell 1 and the second shell 2 are abutted, the first bearing mechanism 4 is abutted with the second bearing mechanism 5, then, a roller 3 wound with curtain cloth or curtain is placed into the housing, the roller 3 is arranged along the axial direction of the housing, the first bearing mechanism 4 and the second bearing mechanism 5 both provide support for the roller 3 wound with curtain cloth or curtain, and specifically, the first bearing mechanism 4 and the second bearing mechanism 5 are abutted with the curtain cloth or curtain wound on the roller 3, the installation of the lengthened roller shutter is completed.

In practical application, the roller 3 can be formed by sequentially detachably connecting a plurality of rollers, for example, the plurality of rollers are sequentially clamped or the plurality of rollers are sequentially connected by bolts; the first shell 1 and the second shell 2 are connected in a butt joint mode to form a housing, the first shell 1 and the second shell 2 can be detached, the first bearing mechanism 4 and the second bearing mechanism 5 can also be detached through the first connecting piece 6, and then the lengthened roller shutter can be conveniently transported, particularly under the condition of going upstairs or downstairs, the first shell 1, the second shell 2, the first bearing mechanism 4 and the second bearing mechanism 5 can be conveniently transported independently, and the transportation burden of transportation workers is reduced.

Further, as shown in fig. 2 and 3, the first load bearing mechanism 4 includes: a first bearing roller 41 for supporting said drum 3; a first mounting groove is formed in the first shell 1; the first bearing roller 41 is rotatably arranged in the first mounting groove; the second load bearing mechanism 5 includes: a second bearing roller 51 for supporting the drum 3; a second mounting groove is formed in the second shell 2; when the first housing 1 and the second housing 2 are abutted, the first mounting groove and the second mounting groove are communicated; the second bearing rolling shaft 51 is rotatably arranged in the second mounting groove; one end of the first connecting piece 6 is inserted in the first mounting groove, and the other end of the first connecting piece is inserted in the second mounting groove; in the case of laying down or taking up the curtain or screen, the first bearing roller 41 can rotate in the first mounting groove, and the second bearing roller 51 can rotate in the second mounting groove.

In the present application, the number of the first bearing roller 41 and the second bearing roller 51 is two, and in other embodiments, the number of the first bearing roller 41 and the second bearing roller 51 can be increased or decreased according to the actual situation; the number of the first mounting grooves is the same as that of the first bearing rollers 41, and the number of the second mounting grooves is the same as that of the second bearing rollers 51; specifically, the first bearing roller 41 and the second bearing roller 51 are sequentially arranged along the axial direction of the drum 3, under the condition that one end of the first housing 1 is abutted against one end of the second housing 2, one end of the first bearing roller 41 is abutted against one end of the second bearing roller 51, the other end of the first bearing roller 41 is rotatably connected with the other end of the first housing 1, the other end of the second bearing roller 51 is rotatably connected with the other end of the second housing 2, the outer circumferential surface of the first bearing roller 41 is flush with the outer circumferential surface of the second bearing roller 51, the first bearing roller 41 and the second bearing roller 51 provide stable support for the drum 3, so that the acting forces applied to the first bearing roller 41 and the second bearing roller 51 by the drum 3 wound with the curtain or curtain are the same, and the acting forces applied to the curtain or curtain between the drum 3 and the first bearing roller 41 and the curtain or curtain between the drum 3 and the second bearing roller 51 are uniform, prevent the curtain cloth or curtain from generating wrinkles due to uneven stress in the process of putting down or putting up, and ensure the smoothness of the curtain cloth or curtain in the process of putting down or putting up.

Further, as shown in fig. 2 and 3, the first load bearing mechanism 4 further includes: a plurality of first rolling elements 42 for reducing the friction to which said first bearing roller 41 is subjected in the event of rolling; a plurality of third mounting grooves corresponding to the plurality of first rolling elements 42 one to one are arranged on the inner wall of the first mounting groove; the first rolling element 42 is rotatably arranged in a third mounting groove corresponding to the first rolling element; the first mounting groove, the third mounting groove, the first bearing roller 41 and the first rolling element 42 are an integral operation mechanism, and the operation is kept smooth and flat all the time; the number of the first rolling members 42 is 8, and the first rolling members 42 are equally divided into two groups, wherein one group of the first rolling members 42 abuts against one of the first bearing rollers 41, and the other group of the first rolling members 42 abuts against the other first bearing roller 41.

Further, as shown in fig. 3, the second load bearing mechanism 5 further includes: a plurality of second rolling elements 52 for reducing the friction to which said second bearing roller 51 is subjected in the event of rolling; a plurality of fourth mounting grooves corresponding to the plurality of second rolling elements 52 one to one are formed in the inner wall of the second mounting groove; the second rolling element 52 is rotatably arranged in a fourth mounting groove corresponding to the second rolling element; the second mounting groove, the fourth mounting groove, the second bearing rolling shaft 51 and the second rolling member 52 are an integral operation mechanism, and the operation is kept smooth and flat all the time; the number of the second rolling members 52 is 8, and the second rolling members 52 are equally divided into two groups, wherein one group of the second rolling members 52 abuts against one of the second bearing rollers 51, and the other group of the second rolling members 52 abuts against the other second bearing roller 51.

Specifically, the first rolling element 42 and the second rolling element 52 are rolling shafts in the present application, and in other embodiments, the first rolling element 42 and the second rolling element 52 use balls, and a plurality of balls can be placed in the third mounting groove and the fourth mounting groove; the third mounting groove and the fourth mounting groove are both arranged along the axial direction of the roller 3; when the first housing 1 and the second housing 2 are abutted, the third mounting groove and the fourth mounting groove may or may not be communicated; under the condition of putting down or taking up the curtain cloth or the curtain cloth, the first rolling piece 42 can rotate in the third mounting groove, and the second fixing piece can rotate in the fourth mounting groove, so that the friction between the first rolling piece 42 and the first bearing roller 41 and the friction between the second rolling piece 52 and the second bearing roller 51 are rolling friction, the friction suffered by the first bearing roller 41 and the second bearing roller 51 is reduced, the rotation of the first bearing roller 41 in the first mounting groove is smoother, the rotation of the second bearing roller 51 in the second mounting groove is smoother, and the noise generated by the first bearing roller 41 and the second bearing roller 51 in the rotation process is further reduced.

Further, as shown in fig. 2 and 3, a first accommodating hole 11 having a circular shape is axially provided in the first housing 1; a circular second accommodating hole 21 is axially formed in the second housing 2; when the first housing 1 and the second housing 2 are in contact with each other, the first receiving hole 11 and the second receiving hole 21 communicate with each other to form a third receiving hole; the roller 3 is arranged in the third accommodating hole; an opening through which the curtain cloth or the curtain can pass is formed in the third accommodating hole.

Specifically, the first accommodating hole and the second accommodating hole are both circular, and the inner peripheral surface of the first accommodating hole 11 and the inner peripheral surface of the second accommodating hole 21 are both arc surfaces, so that the inner peripheral surface of the third accommodating hole is also an arc surface, and the opening of the third accommodating hole faces downward, and when the mounting part 7 fixes the first housing 1 and the second housing 2 to the building, since the inner peripheral surface of the first accommodating hole 11 and the inner peripheral surface of the second accommodating hole 21 are arc surfaces, the housing is not easy to fall off due to tension, and the upper end of the first housing 1 and the upper end of the second housing 2 are not easy to break.

Further, as shown in fig. 2 and 3, the method further includes: a plurality of second connectors 10; a plurality of first through holes 13 corresponding to the second connecting pieces 10 one to one are axially arranged on the first shell 1; a plurality of second through holes which correspond to the second connecting pieces 10 one to one are axially arranged on the second shell 2; the plurality of first through holes 13 are arranged around the first accommodating hole 11; the second through holes are arranged around the second accommodating hole 21; one end of the second connecting piece 10 is inserted into the first through hole 13, and the other end is inserted into the second through hole.

The number of the second connecting pieces 10 is five in the present application, and in other embodiments, the number of the second connecting pieces 10 can be increased or decreased according to actual situations, and the number of the first through holes 13 and the number of the second through holes are the same as the number of the second connecting pieces 10; specifically, the first through holes 13 are uniformly arranged around the first accommodation hole 11, and the second through holes are uniformly arranged around the second accommodation hole 21; the shapes of the five second connecting pieces 10 can be different, that is, the shapes of the five second connecting pieces 10 can be adjusted according to actual conditions to adapt to the shapes of the first shell 1 and the second shell 2, and the shapes of the first through holes 13 and the shapes of the second through holes are matched with the shapes of the second connecting pieces 10 corresponding to the first through holes, so that the outer side wall of one end of each second connecting piece 10 is abutted against the inner side wall of the corresponding first through hole 13, and the outer side wall of the other end of each second connecting piece 10 is abutted against the inner side wall of the corresponding second through hole; through the setting of a plurality of second connecting pieces 10, can connect first casing 1 and second casing 2, and play the reinforcing effect to first casing 1 and second casing 2, make first casing 1 and second casing 2 indelible bending deformation, under the condition of first casing 1 and second casing 2 butt, the up end parallel and level of the up end of having guaranteed first casing 1 and second casing 2, the installed part 7 of being convenient for is fixed first casing 1 and second casing 2 on the building.

Further, as shown in fig. 2 and 3, the mount 7 includes: a mounting plate 71 and a stopper bar 72; a bayonet 711 is arranged on the mounting plate 71; a first clamping strip 14 is arranged on the first shell 1; a second clamping strip 23 is arranged on the second shell 2; a part of the bayonet 711 is clamped with the first clamping strip 14; the rest part of the bayonet 711 is clamped with the second clamping strip 23; one side of the limiting strip 72 is tightly abutted to the mounting plate 71, and the other side of the limiting strip is tightly abutted to the first shell 1 and the second shell 2 respectively.

In the prior art, a plurality of mounting codes are usually adopted to fix the first shell 1 and the second shell 2, the tensile force provided by the housing formed by the first shell 1 and the second shell 2 is dispersed, and the housing is easy to sag due to the action of gravity in an unstressed area, so that the housing is bent and deformed; specifically, the first housing 1 enables the upper end surface of the first housing 1 to be completely clamped with a part of the clamping opening 711 on the mounting plate 71 through the first clamping strip 14, the second housing 2 enables the upper end surface of the second housing 2 to be clamped with the rest of the clamping opening 711 on the mounting plate 71 through the second clamping strip 23, and after the first housing 1 and the second housing 2 are fixed on a building through the mounting plate 71, the first housing 1 and the second housing 2 are uniformly stressed and are not prone to bending deformation due to gravity; the mounting plate 71 is further provided with a protruding portion, the first clamping strip 14 is arranged along the axial direction of the first housing 1, the second clamping strip 23 is arranged along the axial direction of the second housing 2, and the bayonet 711 is arranged along the axial direction of the mounting plate 71, that is, the first clamping strip 14, the second clamping strip 23 and the bayonet 711 are all arranged transversely; in the installation, fix mounting panel 71 on ceiling or other buildings earlier, can adopt the bolt fastening, then insert first card strip 14 and second card strip 23 respectively in bayonet 711, leave the space between protruding portion and the housing this moment on vertical, then insert spacing strip 72 in this space, make one side and the protruding portion of spacing strip 72 support tightly, the opposite side of spacing strip 72 supports tightly with first casing 1 and second casing 2 respectively, prevent that housing and mounting panel 71 from producing the displacement on vertical, ensure that first card strip 14 and second card strip 23 all are located bayonet 711, guaranteed the stable connection of mounting panel 71 and housing.

Further, as shown in fig. 4 and 5, the method further includes: an automatic adjusting mechanism 8 for adjusting the height of the roller 3 according to the thickness of the cord fabric or curtain wound on the roller 3; the automatic adjustment mechanism 8 includes: a connecting block 81 and a slider 82; the connecting block 81 is arranged on the roller 3; the sliding part 82 is rotatably connected with the connecting block 81; the sliding piece 82 is connected with the housing in a sliding manner; in practical application, the automatic adjusting mechanism 8 can also be adapted to an electric roller shutter; specifically, the number of the automatic adjusting mechanisms 8 is two, a motor head and a tail plug are respectively arranged at two ends of the roller 3 in the application, one automatic adjusting mechanism 8 is fixedly connected with the motor head, and the other automatic adjusting mechanism 8 is fixedly connected with the tail plug; one end of the housing is fixedly connected with the first cover sealing plate 14, and the other end of the housing is fixedly connected with the second cover sealing plate; one automatic adjusting mechanism 8 is connected with the first cover plate 14 in a sliding manner, and the other automatic adjusting mechanism 8 is connected with the second cover plate in a sliding manner; in the present application, the sliding members 82 are bearings, the number of the sliding members 82 is two, one of the sliding members 82 is slidably connected to the first housing 1, the other sliding member 82 is slidably connected to the second housing 2, in other embodiments, the sliding members 82 can be sliding blocks or parallel pulleys, and the like, and the number of the sliding members 82 can be increased or decreased according to actual requirements.

Specifically, since the number of the automatic adjusting mechanism 8 is two, the number of the connecting blocks 81 and the sliding members 82 is also two, wherein one of the connecting blocks 81 is fixedly connected with the motor head, the other connecting block 81 is fixedly connected with the tail plug, one of the sliding members 82 is slidably connected with the first cover plate 14, and the other sliding member 82 is slidably connected with the second cover plate; the inner ring of the bearing is fixed with the connecting block 81 through a bolt, and the outer ring of the bearing is connected with the housing in a sliding manner; under the condition that the thickness of the curtain cloth or the curtain on the roller 3 is thin, the sliding part 82 slides downwards, under the condition that the thickness of the curtain cloth or the curtain on the roller 3 is thick, the sliding part 82 slides upwards, and through the rotating arrangement of the sliding part 82 and the connecting block 81, in the process that the sliding part 82 slides up and down, the sliding part 82 and the housing rotate relatively, so that the friction between the sliding part 82 and the housing is rolling friction, the friction force applied to the sliding part 82 is small, the sliding part 82 rotates more easily, and the abrasion of the sliding part 82 and the housing can be reduced.

Further, a sliding groove 15 is arranged on the housing; the sliding groove 15 is vertically arranged; the sliding member 82 is slidably connected to the slide groove 15. Specifically, the number of the sliding grooves 15 is the same as that of the automatic adjusting mechanisms 8, and is also two, wherein one sliding groove 15 is arranged on the first cover sealing plate 14, and the other sliding groove 15 is arranged on the second cover sealing plate; the first cover plate 14 is arranged on the first shell 1, and the second cover plate is arranged on the second shell 2; in the process of laying down the curtain cloth or the curtain, the thickness of the curtain cloth or the curtain wound on the roller 3 is thinned, the sliding piece 82 moves downwards along the axial direction of the sliding groove 15, in the process of taking up the curtain cloth or the curtain, the thickness of the curtain cloth or the curtain wound on the roller 3 is thickened, and the sliding piece 82 moves upwards along the axial direction of the sliding groove 15, so that the height of the roller 3 is adjustable, and the distance between the roller 3 and the first bearing roller 41 and the second bearing roller 51 can be adjusted according to the thickness of the curtain cloth or the curtain wound on the roller 3; through the setting of spout 15, spacing has been carried out to the left and right sides of slider 82, has improved the stability of slider 82 in the motion process.

Further, as shown in fig. 6, the method further includes: an anti-lift mechanism 9 for preventing the curtain or the curtain from lifting; the anti-lift mechanism 9 includes: a first guide sleeve 91, a second guide sleeve 92 and a limit block 93; the first guide sleeve 91 and the second guide sleeve 92 are spliced to form a guide groove 94; the limiting block 93 is arranged in the guide groove 94; the limiting block 93 is provided with a clamping groove 931 matched with the zipper at the side edge of the curtain cloth or curtain; the side zipper is welded with the curtain cloth or the curtain into a whole; the first guide sleeve 91 and the second guide sleeve 92 are both arranged on the housing.

Specifically, the number of the anti-lifting mechanisms 9 is two, wherein one anti-lifting mechanism 9 is arranged on the first housing 1, and the other anti-lifting mechanism 9 is arranged on the second housing 2; in practical application, flexible connecting pieces are arranged on the left side and the right side of the curtain cloth or the curtain, the flexible connecting pieces are zippers or pull beads, and zipper accommodating cavities are arranged on the motor head and the tail plugs and used for accommodating redundant thickness differences between the zippers and the curtain cloth or the curtain in a winding mode; the flexible connecting piece enters the guide groove 94 and then is in sliding connection with the clamping groove 931; the guide groove 94 is formed by splicing the first guide sleeve 91 and the second guide sleeve 92, so that the limiting block 93 can be conveniently installed, the limiting block 93 can be installed on the first guide sleeve 91 firstly, then the second guide sleeve 92 is spliced with the first guide sleeve 91, the installation of the limiting block 93 is completed, and the second guide sleeve 92 can also shield the joint of the limiting block 93 and the first guide sleeve 91, so that the anti-lifting mechanism 9 is more attractive; the guide grooves 94 also provide vertical guides for the curtain or curtain, preventing the curtain or curtain from being blown up by the wind.

Optionally, the third shell and the third bearing mechanism can be added according to the actual width of the curtain cloth or the curtain cloth; the third shell is clamped with the mounting plate 71, the structure of the third shell is the same as that of the first shell 1, the structure of the third bearing mechanism is the same as that of the first bearing mechanism 4, the connection mode of the third shell and the third bearing mechanism is the same as that of the first shell 1 and the first bearing mechanism 4, the connection mode of the third shell and the first shell 1 or the second shell 2 is the same as that of the first shell 1 and the second shell 2, the connection mode of the third bearing mechanism and the first bearing mechanism 4 or the second bearing mechanism 5 is the same as that of the first bearing mechanism 4 and the second bearing mechanism 5, the connection relationship between the automatic adjusting mechanism 8 and the anti-lifting mechanism 9 and the first shell 1, the second shell 2 and the third shell can be adjusted adaptively according to the actual situation, that is, the application can splice a plurality of shells according to the width of the curtain or the curtain to prolong the width of the housing, and the adaptability is strong.

According to the splicing type lengthened roller shutter, the first shell 1 and the second shell 2 can be detached, and the first bearing mechanism 4 and the second bearing mechanism 5 can also be detached, so that the lengthened roller shutter is convenient to transport, the first shell 1, the second shell 2, the first bearing mechanism 4 and the second bearing mechanism 5 can be conveniently and independently transported, and the transportation burden of transportation workers is reduced; the first bearing roller 41 and the second bearing roller 51 are arranged, so that the curtain cloth or curtain is prevented from being wrinkled due to uneven stress in the process of putting down or putting up, and the curtain cloth or curtain is ensured to be flat in the process of putting down or putting up; through the arrangement of the first rolling member 42 and the second rolling member 52, the first bearing roller 41 and the second bearing roller 51 can rotate more smoothly, and the noise generated in the rotating process of the first bearing roller 41 and the second bearing roller 51 is reduced; through the setting of a plurality of second connecting pieces 10, under the condition of first casing 1 and second casing 2 butt for first casing 1 and second casing 2 non-deformable have guaranteed the up end of first casing 1 and the up end parallel and level of second casing 2, and the installed part 7 of being convenient for is fixed first casing 1 and second casing 2 on the building.

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 spliceable elongated roller shutter, comprising: the curtain cloth winding device comprises a first shell, a second shell, a roller for winding curtain cloth or curtain cloth, a first bearing mechanism for bearing the roller, a second bearing mechanism for bearing the roller, a first connecting piece and a mounting piece for fixing the first shell and the second shell on a building; the first shell and the second shell are abutted to form a cover shell; the housing is clamped with the mounting piece; the roller, the first bearing mechanism and the second bearing mechanism are all arranged in the housing; one end of the first connecting piece is connected with the first bearing mechanism in an inserting mode, and the other end of the first connecting piece is connected with the second bearing mechanism in an inserting mode.

2. The tileable elongated roller blind of claim 1, wherein said first load bearing mechanism comprises: a first load-bearing roller for supporting the drum; a first mounting groove is formed in the first shell; the first bearing rolling shaft is rotatably arranged in the first mounting groove; the second load bearing mechanism includes: a second load-bearing roller for supporting the drum; a second mounting groove is formed in the second shell; the first mounting groove is communicated with the second mounting groove; the second bearing rolling shaft is rotatably arranged in the second mounting groove; one end of the first connecting piece is inserted in the first mounting groove, and the other end of the first connecting piece is inserted in the second mounting groove.

3. The tileable elongated roller blind of claim 2, wherein said first load bearing mechanism further comprises: a plurality of first rolling elements for reducing the friction to which said first load-bearing roller is subjected in the event of rolling; a plurality of third mounting grooves which correspond to the first rolling pieces one by one are formed in the inner wall of the first mounting groove; the first rolling piece is rotatably arranged in the corresponding third mounting groove.

4. The tileable elongated roller blind of claim 2, wherein said second load bearing mechanism further comprises: a plurality of second rolling elements for reducing the friction to which said second load-bearing roller is subjected in the event of rolling; a plurality of fourth mounting grooves which correspond to the second rolling pieces one to one are formed in the inner wall of the second mounting groove; the second rolling piece is rotatably arranged in a fourth mounting groove corresponding to the second rolling piece.

5. The spliceable elongated roller shade according to claim 1, wherein a first circular receiving hole is axially provided in the first housing; 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; the roller is arranged in the third accommodating hole; an opening through which the curtain cloth or the curtain can pass is formed in the third accommodating hole.

6. The tileable elongated roller blind of claim 5, further comprising: a plurality of second connectors; a plurality of first through holes which are in one-to-one correspondence with the second connecting pieces are axially arranged on the first shell; a plurality of second through holes which are in one-to-one correspondence with the second connecting pieces are axially arranged on the second shell; the first through holes are arranged around the first accommodating hole; the second through holes are formed in the periphery of the second accommodating hole; one end of the second connecting piece is connected with the first through hole in an inserting mode, and the other end of the second connecting piece is connected with the second through hole in an inserting mode.

7. The spliceable elongated roller shade according to any one of claims 1 to 6, wherein said mounting member comprises: the mounting plate and the limiting strip; a bayonet is arranged on the mounting plate; a first clamping strip is arranged on the first shell; a second clamping strip is arranged on the second shell; one part of the bayonet is clamped with the first clamping strip; the other part of the bayonet is clamped with the second 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 first shell and the second shell respectively.

8. The tileable elongated roller blind of any one of claims 1 to 6, further comprising: the automatic adjusting mechanism is used for adjusting the height of the roller according to the thickness of the cord fabric or curtain 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 housing in a sliding mode.

9. The tileable elongated roller blind of any one of claims 1 to 6, further comprising: an anti-lift mechanism for preventing the curtain or curtain from lifting; 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 zipper at the side edge of the curtain cloth or curtain; the first guide sleeve and the second guide sleeve are both arranged on the housing.

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