CN220890060U

CN220890060U - Rolling curtain

Info

Publication number: CN220890060U
Application number: CN202322482111.8U
Authority: CN
Inventors: 何勇志
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-09-13
Filing date: 2023-09-13
Publication date: 2024-05-03
Anticipated expiration: 2033-09-13

Abstract

The utility model provides a rolling screen, including last pole sleeve structure, lower pole sleeve structure, curtain cloth and two fixed knot constructs, the upper and lower both ends of curtain cloth are fixed respectively at last pole sleeve structure and lower pole sleeve structure, go up pole sleeve structure and lower pole sleeve structure and fix respectively through fixed knot constructs on the installation face, go up pole sleeve structure and include hollow pole sleeve, go up peg, 7 style of calligraphy pole, the spring, first end cover that has first through-hole and the second end cover that has the second through-hole, first end cover, the second end cover is fixed respectively at the telescopic both ends of upper pole, the first end of spring is fixed on the first end cover, 7 style of calligraphy pole's stiff end passes first end cover in proper order, the spring is fixed with the second end of spring, the both ends of going up the peg penetrate first through-hole and second through-hole respectively, 7 style of calligraphy pole's free end and last peg fixed connection. The installation of the structure of the utility model is easier. Therefore, the utility model has the advantages of lower failure rate, longer service life, more environmental protection and easier installation.

Description

Rolling curtain

Technical Field

The utility model relates to the technical field of roller blinds, in particular to an automatic rolling roller blind.

Background

The Chinese patent document CN 218074452U discloses a telescopic shading roller shutter, which comprises an upper loop bar, a lower loop bar, an upper hanging bar, a lower hanging bar and a curtain fabric, wherein the upper end of the curtain fabric is connected with the upper loop bar, the lower end of the curtain fabric is connected with the lower loop bar, the upper hanging bar is fixedly connected with the upper loop bar, the left end of the lower loop bar is provided with a first end cover, the right end of the lower loop bar is provided with a second end cover, the left end horizontal bar of the lower hanging bar passes through the first inner hole of the first end cover, the right end horizontal bar of the lower hanging bar passes through the second inner hole of the second end cover, the left end horizontal bar is sleeved with a spring, the right end of the spring is fixedly connected with the right end part of the left end horizontal bar, the left end of the spring is fixedly connected with the first end cover, the upper hanging bar is provided with a fixing mechanism I, the lower hanging bar is provided with a second fixing mechanism II which is a sucker or a sticky hook, and the spring arranged in the lower loop bar is convenient for opening and automatic retraction of the curtain fabric, and rapid lifting of the curtain fabric is realized; the first fixing mechanism and the second fixing mechanism of the sucker or the sticky hook realize integral punching-free installation.

However, the retractable sunshade roller blind of the prior art has the following defects in the use process: firstly, the rolling and unreeling functions of the rolling curtain are realized at the lower end of the curtain fabric, namely, the rolling and unreeling of the curtain fabric are realized at the lower loop bar, and more parts of the lower loop bar are used; second, among the above-mentioned prior art, the spring is directly fixed on lower peg left end horizon bar to penetrate lower peg left end horizon bar, and lower peg left end horizon bar is the part of peg down, is integrative promptly, just so when a certain spare part damages, just needs the whole change of peg down, not only troublesome and extravagant resource, and in addition, the degree of difficulty of the installation of this kind of structure is also great.

Disclosure of utility model

In order to solve the problems, the utility model provides a rolling curtain which has lower failure rate, longer service life, more environmental protection and easier installation for society.

The technical scheme of the utility model is as follows: the utility model provides a rolling screen, including last pole sleeve structure, lower pole sleeve structure, curtain cloth and two fixed knot constructs, the upper and lower both ends of curtain cloth are fixed respectively at last pole sleeve structure and lower pole sleeve structure, go up pole sleeve structure and lower pole sleeve structure and fix on the installation face through fixed knot respectively, go up pole sleeve structure and include hollow pole sleeve, go up peg, 7 style of calligraphy pole, spring, have first end cover of first through-hole and have the second end cover of second through-hole, first end cover, second end cover are fixed respectively go up pole sleeve's both ends, the spring is located go up pole sleeve, just the first end of spring is fixed on the first end cover, 7 style of calligraphy pole's stiff end pass behind the spring in proper order with the second end of spring is fixed, go up the both ends of peg penetrate first through-hole and the second through-hole of first end cover respectively, 7 style of calligraphy pole free end with go up peg fixed connection.

The utility model further comprises a fixed cover, wherein the fixed cover is positioned in the upper rod sleeve, and the second end of the spring and the fixed end of the 7-shaped rod are jointly fixed on the fixed cover.

As an improvement of the utility model, the fixed cover can be replaced by a decelerator.

As an improvement of the utility model, the second end cap may be replaced by a locking head.

The utility model further comprises a connecting piece, wherein the connecting piece is used for connecting the free end of the 7-shaped rod and the upper hanging rod.

The utility model further comprises a fastening piece, wherein the sleeve wall of the upper rod sleeve is recessed along the radial direction to form a groove with a trapezoid cross section, the upper end of the curtain cloth is fixed in the groove, and the fastening piece is inserted into the groove for fastening.

As an improvement of the utility model, the lower rod sleeve structure comprises a lower rod sleeve and two lower rod sleeve end covers, the lower ends of the curtain cloth are fixed on the lower rod sleeve, and the two lower rod sleeve end covers are fixed at two ends of the lower rod sleeve.

As an improvement of the utility model, the lower end of the curtain cloth is fixed on the lower rod sleeve.

As an improvement of the utility model, the upper rod sleeve and the lower rod sleeve are made of plastic materials.

As an improvement of the utility model, the curtain cloth is made of waterproof material or heat insulation material.

The curtain fabric comprises an upper rod sleeve structure, a lower rod sleeve structure, a curtain fabric and two fixing structures, wherein the upper end and the lower end of the curtain fabric are respectively fixed on the upper rod sleeve structure and the lower rod sleeve structure, the upper rod sleeve structure and the lower rod sleeve structure are respectively fixed on a mounting surface through the fixing structures, the upper rod sleeve structure comprises a hollow upper rod sleeve, an upper hanging rod, a 7-shaped rod, a spring, a first end cover with a first through hole and a second end cover with a second through hole, the first end cover and the second end cover are respectively fixed at two ends of the upper rod sleeve, the spring is positioned in the upper rod sleeve, the first end of the spring is fixed on the first end cover, the fixed end of the 7-shaped rod sequentially penetrates through the first end cover and the spring and then is fixed with the second end of the spring, the two ends of the upper hanging rod respectively penetrate through the first through hole of the first end cover and the second through hole of the second end cover, and the free end of the 7-shaped rod is fixedly connected with the upper hanging rod. When the curtain cloth is required to be put down, the lower rod sleeve structure is pulled downwards, the curtain cloth is unfolded and simultaneously drives the upper rod sleeve to rotate, the first end cover and the second end cover are respectively fixed at the two ends of the upper rod sleeve, the first end of the spring is fixed on the first end cover, the fixed end of the 7-shaped rod sequentially passes through the first end cover and the spring and is fixed with the second end of the spring, so that the rotation of the upper rod sleeve drives the spring to rotate around the 7-shaped rod, the 7-shaped rod generates a pre-rolling force (namely, the rebound force equivalent to the spring) along with the fact that the lower rod sleeve structure is pulled down, the curtain cloth is unfolded more, the pre-rolling force generated by the 7-shaped rod is larger, and finally, the curtain cloth is completely fixed on the mounting surface through the rolling end point when the lower rod sleeve structure is put down. When the roller shutter is required to be rolled up upwards, the fixing structure of the lower rod sleeve structure is released, under the action of the pre-rolling force of the 7-shaped rod (namely, the rebound force corresponding to the spring), the spring and the upper rod sleeve reversely rotate, the curtain cloth is automatically wound on the upper rod sleeve, and along with the winding of the curtain cloth, the lower rod sleeve structure moves upwards until the curtain cloth is finally wound on the upper rod sleeve, and the lower rod sleeve structure stops moving and is positioned on one side of the upper rod sleeve structure. Compared with the prior art, the rolling shutter is unreeled and rolled on the upper rod sleeve structure, the rolling shutter is wound on the upper rod sleeve, a user only needs to act on the lower rod sleeve during operation, the lower rod sleeve is simple in structure and few in parts, the problem of high failure rate of the lower rod sleeve structure in the prior art is avoided, the upper rod sleeve structure and the lower rod sleeve structure are well protected, the failure rate is reduced, the maintenance times are reduced, and the service life of the whole rolling shutter is longer; in addition, the utility model also comprises a 7-shaped rod, wherein the fixed end of the 7-shaped rod sequentially passes through the first end cover and the spring and then is fixed with the second end of the spring, and the 7-shaped rod is fixed with the upper hanging rod, so that when one part is damaged, only partial replacement is needed, compared with the prior art, the structure disclosed by the utility model does not need to be replaced integrally, the structure is more environment-friendly and lower in use cost, and in addition, the structure disclosed by the utility model is easier to install. Therefore, the utility model has the advantages of lower failure rate, longer service life, more environmental protection and easier installation.

Drawings

Fig. 1 is a schematic perspective exploded view of the upper stem sleeve structure of the present utility model.

Fig. 2 is a schematic perspective view of the partially assembled structure of fig. 1.

Fig. 3 is a schematic perspective view of the fully assembled structure of fig. 1.

Fig. 4 is a schematic perspective view of an embodiment of the roll screen of the present utility model.

Fig. 5 is a schematic view of another construction of the upper stem sleeve of fig. 1.

Detailed Description

Referring to fig. 1 to 5, fig. 1 to 5 disclose an embodiment of a roller shutter, which comprises an upper rod sleeve structure 1, a lower rod sleeve structure 2, a curtain 3 and two fixing structures 5, wherein the upper and lower ends of the curtain 3 are respectively fixed on the upper rod sleeve structure 1 and the lower rod sleeve structure 2, the upper rod sleeve structure 1 and the lower rod sleeve structure 2 are respectively fixed on a mounting surface through the fixing structures 5, the mounting surface can be a wall surface or a window, etc., and the roller shutter is not limited herein, in the embodiment, the mounting structure 5 is a sticky hook or a sucker, the upper rod sleeve structure 1 comprises a hollow upper rod sleeve 11, an upper hanging rod 12, a 7-shaped rod 13, a spring 14, a first end cover 15 with a first through hole 150 and a second end cover 16 with a second through hole 160, the first end cover 15 and the second end cover 16 are respectively fixed at two ends of the upper rod sleeve 11, the spring 14 is located in the upper rod sleeve 11, the first end 141 of the spring 14 is fixed on the first end cover 15, specifically, the spring 14 is axially arranged, the fixed end 131 of the 7-shaped rod 13 sequentially passes through the first end cover 15 and the spring 14 and then is fixed with the second end 142 of the spring 14, specifically, the fixed end 131 of the 7-shaped rod 13 passes through the first through hole 150 of the first end cover 15, two ends of the upper hanging rod 12 respectively penetrate through the first through hole 150 of the first end cover 15 and the second through hole 160 of the second end cover 16, and the free end 132 of the 7-shaped rod 13 is fixedly connected with the upper hanging rod 12.

In the present utility model, it is preferable that the fixing cover 17 is further included, the fixing cover 17 is located in the upper rod sleeve 11, and the second end 142 of the spring 14 and the fixing end 131 of the 7-shaped rod 13 are jointly fixed on the fixing cover 17.

The specific use process of the utility model is as follows: when the curtain cloth 3 is required to be put down, the lower rod sleeve structure 2 is pulled downwards, the curtain cloth 3 is unfolded and drives the upper rod sleeve 11 to rotate, and as the first end cover 15 and the second end cover 16 are respectively fixed at two ends of the upper rod sleeve 11, the first end 141 of the spring 14 is fixed on the first end cover 15, and the fixed end 131 of the 7-shaped rod 13 is fixed with the second end 142 of the spring 14 after sequentially passing through the first end cover 15 and the spring 14. The rotation of the upper rod sleeve 11 drives the spring 14 to rotate around the 7-shaped rod 13, so that the 7-shaped rod 13 generates a pre-rolling force (namely, the pre-rolling force is equivalent to the resilience force of the spring), the longer the lower rod sleeve structure 2 is pulled down, the more the curtain cloth 3 is unfolded, the larger the pre-rolling force generated by the 7-shaped rod 13 is, and finally the lower rod sleeve structure 2 is pulled to a final point, namely, when the curtain cloth 3 is completely unfolded, the roller shutter is completely put down, and the lower rod sleeve structure 2 is fixed on a mounting surface through the fixing structure 5 at the moment, so that the roller shutter is put down. When the roller shutter needs to be rolled up, the fixing structure 5 of the lower rod sleeve structure 2 is released, under the action of the pre-rolling force of the 7-shaped rod 13 (namely, the rebound force corresponding to a spring), the spring 14 and the upper rod sleeve 11 rotate reversely, the curtain cloth 3 is automatically rolled on the upper rod sleeve 11, and along with the rolling of the curtain cloth 3, the lower rod sleeve structure 2 moves upwards until the curtain cloth 3 is finally rolled on the upper rod sleeve 11, and the lower rod sleeve structure 2 stops moving and is positioned on one side of the upper rod sleeve 11. Compared with the prior art, the utility model has the advantages that the rolling curtain is unreeled and rolled on the upper rod sleeve structure 1, the curtain cloth 3 is wound on the upper rod sleeve 11, a user only needs to act on the lower rod sleeve structure 2 during operation, the lower rod sleeve structure is simple, parts are few, the problem of high failure rate of the lower rod sleeve structure 2 in the prior art is avoided, the upper rod sleeve structure 1 and the lower rod sleeve structure 2 are well protected, the failure rate is reduced, the maintenance times are reduced, and the service life of the whole rolling curtain is longer; in addition, the utility model further comprises a 7-shaped rod 13, the fixed end 131 of the 7-shaped rod 13 sequentially passes through the first end cover 15 and the spring 14 and then is fixed with the second end 142 of the spring 14 (or is fixed on the fixed cover 17 together with the second end 142 of the spring 14), and the 7-shaped rod 13 is fixed with the upper hanging rod 12, so that when one part is damaged, only partial replacement is needed, compared with the prior art, the utility model does not need integral replacement, is more environment-friendly and has lower use cost, and in addition, the structure of the utility model is easier to install.

In the utility model, preferably, the fixed cover 17 can be replaced by a speed reducer, so that the speed reducer has the advantages of reducing the speed, avoiding the problem of hurting people due to too high winding speed caused by too high pre-winding force during winding; of course, the speed reducer belongs to the prior art, and is commercially available, and is not described herein.

In the present utility model, preferably, the second end cover 16 may be replaced by a locking head, so that the advantage of this design is that when the lower rod sleeve structure is pulled to a certain position, the curtain cloth 3 is fixed at that position, so as to achieve the effect of stopping along with the arrival, and the use is more flexible; of course, the locking head belongs to the prior art, and is commercially available, and is not described herein.

In the present utility model, preferably, the connector 18 is further included, and the connector 18 is used to connect the free end of the 7-shaped rod 13 and the upper hanging rod 12, in this embodiment, the connector 18 is a cylinder, and when maintenance installation is required, the connector 18 is pushed to enable the upper hanging rod 12 to withdraw from the upper hanging rod 12.

In the present utility model, it is preferable that the sleeve wall of the upper stem sleeve 11 is radially recessed to form a groove 110 having a trapezoid cross section, and the upper end of the curtain 3 is fixed in the groove 110, and the fastening plate 4 is inserted into the groove 110 to fasten, so that the upper end of the curtain 3 can be more firmly fixed to the upper stem sleeve 11.

In the present utility model, preferably, the lower rod sleeve structure 2 includes a lower rod sleeve 21 and two lower rod sleeve end caps 22, the lower end of the curtain cloth 3 is fixed on the lower rod sleeve 21, and the two lower rod sleeve end caps 22 are fixed on two ends of the lower rod sleeve 21.

In the present utility model, the lower end of the curtain 3 is preferably clamped and fixed on the lower rod sleeve 21, and of course, other fixing methods are also possible, which will not be described in detail herein. A lower shackle 211 is provided on the lower stem sleeve 21 for connection with the underlying securing structure 5 (the lower shackle 211 may be replaced by other structures, such as a semi-hook, etc., as long as it is connectable with the securing structure 5).

In the present utility model, the upper rod sleeve 11 and the lower rod sleeve 21 are preferably made of plastic or aluminum alloy.

In the present utility model, the curtain cloth 3 is preferably made of a waterproof material or a heat insulating material.

The utility model can be used for various curtains, door curtains and vehicle curtains, and can also be used as a shadow curtain of a projector, and when the curtain is used as the shadow curtain, the curtain cloth 3 is preferably made of reflective materials.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a rolling screen, includes pole sleeve structure (1), lower pole sleeve structure (2), curtain cloth (3) and two fixed knot constructs (5), the upper and lower both ends of curtain cloth (3) are fixed respectively at pole sleeve structure (1) and lower pole sleeve structure (2), pole sleeve structure (1) and lower pole sleeve structure (2) are fixed on the installation face through fixed knot constructs (5) respectively, its characterized in that: the utility model provides an upper rod sleeve structure (1) includes hollow upper rod sleeve (11), goes up peg (12), 7 style of calligraphy pole (13), spring (14), have first end cover (15) of first through-hole (150) and have second end cover (16) of second through-hole (160), first end cover (15), second end cover (16) are fixed respectively upper rod sleeve (11) both ends, spring (14) are located in upper rod sleeve (11), just first end (141) of spring (14) are fixed on first end cover (15), stiff end (131) of 7 style of calligraphy pole (13) pass behind first end cover (15), spring (14) with second end (142) of spring (14) are fixed, upper peg (12) both ends penetrate first through-hole (150) of first end cover (15) and second through-hole (160) of second end cover (16) respectively, 7 style of calligraphy pole (13) and upper rod (12) are fixed connection.

2. A roller shutter according to claim 1, characterized in that: the novel upper rod sleeve is characterized by further comprising a fixed cover (17), wherein the fixed cover (17) is positioned in the upper rod sleeve (11), and the second end (142) of the spring (14) and the fixed end (131) of the 7-shaped rod (13) are jointly fixed on the fixed cover (17).

3. A roller shutter according to claim 2, characterized in that: the fixed cover (17) can be replaced by a speed reducer.

4. A roller shutter according to claim 3, characterized in that: the second end cap (16) may be replaced with a locking head.

5. The roll-up shade of claim 4, wherein: the connecting piece (18) is used for connecting the free end of the 7-shaped rod (13) and the upper hanging rod (12).

6. A roller shutter according to any one of claims 1 to 5, wherein: the curtain cloth also comprises a fastening piece, wherein the sleeve wall of the upper rod sleeve (11) is recessed along the radial direction to form a groove (110) with a trapezoid cross section, and the upper end of the curtain cloth (3) is fixed in the groove (110) and is fastened by inserting the fastening piece into the groove (110).

7. The roll-up shade of claim 6, wherein: the lower rod sleeve structure (2) comprises a lower rod sleeve (21) and two lower rod sleeve end covers (22), wherein the lower ends of the curtain cloth (3) are fixed on the lower rod sleeve (21), and the two lower rod sleeve end covers (22) are fixed at two ends of the lower rod sleeve (21).

8. The roll-up shade of claim 7, wherein: the upper rod sleeve (11) and the lower rod sleeve (21) are made of plastic materials or aluminum alloy materials.

9. A roller shutter according to any one of claims 1 to 5, wherein: the curtain cloth (3) is made of waterproof material or heat insulation material or reflective material.