CN112664123A - Constant force multiple spring (window) curtain rolling system - Google Patents
Constant force multiple spring (window) curtain rolling system Download PDFInfo
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- CN112664123A CN112664123A CN202110037090.1A CN202110037090A CN112664123A CN 112664123 A CN112664123 A CN 112664123A CN 202110037090 A CN202110037090 A CN 202110037090A CN 112664123 A CN112664123 A CN 112664123A
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Abstract
The invention provides a constant force multiple spring curtain winding system, which comprises an installation support fixedly connected with a wall body and a rotary drum connected with a curtain, wherein one end of the installation support is connected with a rotary rod through a speed change mechanism, the rotary rod is provided with a constant force spring mechanism fixedly connected with the rotary drum, and the rotary rod is fixedly connected with a constant force elastic part in the constant force spring mechanism.
Description
Technical Field
The invention relates to the technical field of non-pull curtains, in particular to a constant force multiple spring curtain winding system.
Background
Present nothing in the market draws curtain and rainbow curtain, and its system of opening and shutting uses torsion spring stick or system hair style constant force spring mostly, and these two kinds of springs all have many restrictions to opening and shutting of curtain, and the spring stick is down the pulling force more big more when opening and shutting of curtain, and the curtain kick-backs is very difficult to be controlled, system hair style constant force spring to the difficult adaptation of curtain size height.
Disclosure of Invention
In order to solve the problems, the invention provides a constant force multiple spring curtain winding system.
The object of the invention is achieved in the following way:
the utility model provides a constant force multiple spring (window) curtain rolling system, includes the installing support with wall body fixed connection to and the rotary drum of being connected with the (window) curtain, the dwang is connected through speed change mechanism to installing support one end, be equipped with on the dwang with rotary drum fixed connection's constant force spring mechanism, the interior constant force elastic component of dwang fixed connection constant force spring mechanism.
The speed change mechanism comprises fixed teeth, speed change teeth and a speed change cylinder, the fixed teeth are fixedly connected with an installation support, the speed change teeth are fixedly connected with a rotating rod through the speed change support, an annular rotating rack is arranged in the speed change cylinder, the speed change teeth are arranged between the fixed teeth and the rotating rack, the speed change teeth are connected with the fixed teeth and the rotating rack through gear engagement, and a first fixing groove matched with the rotary cylinder for use is formed in the outer side of the speed change cylinder.
The number of the speed changing teeth is at least three.
The constant force spring mechanism comprises a constant force spring box, a spring rotating core is arranged in the constant force spring box, the outer side of the spring rotating core is fixedly connected with a constant force elastic part, the inner side of the spring rotating core is fixedly connected with a rotating rod, and a second fixing groove matched with the rotating cylinder for use is formed in the outer side of the constant force spring box.
The inside fixed muscle that is equipped with of length direction of following of rotary drum, first fixed slot and second fixed slot are connected to fixed muscle interlude.
The cross section of dwang is the D type.
The constant-force elastic piece is a constant-force spring.
Compared with the prior art, the invention adjusts the speed of the rotary drum through the speed change mechanism, and enables the rotary rod to rotate at a low speed through the speed change mechanism under the high-speed rotation of the rotary drum, so as to ensure that the rotary drum rotates enough turns to meet the height of the curtain, the width of the curtain can be maximized, the counter weight of the lower rail of the curtain can be reduced, the size of the curtain can be met through the increase and decrease of the number of the constant force spring mechanisms, and the curtain can stay at any position.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the mounting bracket.
FIG. 3 is a schematic view of the mounting of the shift barrel to the shift bracket.
FIG. 4 is a schematic structural view of the shift bracket.
Fig. 5 is a schematic view of the direction a in fig. 1.
Fig. 6 is a schematic structural view of the transmission drum.
Fig. 7 is a schematic structural view of a constant force spring case.
Fig. 8 is a schematic view of the internal structure of the constant force spring case.
Fig. 9 is a schematic view of the structure of the constant force elastic member.
Fig. 10 is a schematic structural view of the spring rotary core.
Fig. 11 is a side view of the spring rotary core.
Fig. 12 is a side view of a swivelling lever.
Fig. 13 is a schematic view of the installation of the present invention with a window covering.
The variable-speed gear transmission device comprises a mounting support 1, a fixing tooth 101, a variable-speed cylinder 2, a variable-speed support 3, a constant-force spring box 4, a rotating rod 5, a variable-speed tooth 6, a rotating rack 7, a second fixing groove 8, a constant-force elastic part 9, a spring rotating core 10 and a first fixing groove 11.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Therefore, the following detailed description of the embodiments of the present invention, provided in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention, on the basis of which all other embodiments, obtained by a person of ordinary skill in the art without inventive faculty, fall within the scope of the invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
In the present invention, unless otherwise expressly stated 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 formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
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 following disclosure provides many different embodiments or examples for implementing different configurations of embodiments of the invention. To simplify the disclosure of embodiments of the invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, embodiments of the invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, embodiments of the present invention provide examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
As shown in the attached drawings 1 to 13, a constant force multiple spring curtain rolling system comprises a mounting bracket 1 fixedly connected with a wall body and a rotary drum connected with a curtain, wherein one end of the mounting bracket 1 is connected with a rotary rod 5 through a speed change mechanism, a constant force spring mechanism fixedly connected with the rotary drum is arranged on the rotary rod 5, the rotary rod 5 is fixedly connected with a constant force elastic part 9 in the constant force spring mechanism, a constant force spring box 4 of the constant force spring mechanism is sleeved with the rotary drum and is fixedly connected with the rotary drum, a variable speed drum 2 of the speed change mechanism is also fixedly connected with the rotary drum, the rotary drum is driven by the curtain to rotate, the rotary drum drives the variable speed drum 2 and the constant force spring box 4 to rotate rapidly and synchronously, the rotary rod 5 rotates slowly through the speed change mechanism, when the rotary drum and the constant force spring box 4 rotate synchronously for 3.5 circles, the rotary rod 5 rotates for 1 circle to meet the height of the curtain, the speed of the rotary drum is adjusted through the speed change mechanism, the rotating rod 5 rotates at a low speed through the speed change mechanism under the high-speed rotation of the rotary drum, the enough number of turns of the rotary drum is ensured to meet the height of the curtain, the width of the curtain can be maximized, the counter weight of the lower rail of the curtain is reduced, and the curtain can stay at any position through the increase and decrease of the constant force spring mechanism.
The speed change mechanism comprises fixed teeth 101, speed change teeth 6 and a speed change cylinder 2, wherein the fixed teeth 101 are fixedly connected with an installation support 1, the speed change teeth 6 are fixedly connected with a rotating rod 5 through a speed change support 3, an annular rotating rack 7 is arranged in the speed change cylinder 2, the speed change teeth 6 are arranged between the fixed teeth 101 and the rotating rack 7, the speed change teeth 6 are connected with the fixed teeth 101 and the rotating rack 7 through gear meshing, a first fixing groove 11 matched with the rotating cylinder is arranged on the outer side of the speed change cylinder 2, the speed change mechanism comprises the speed change cylinder 2, the fixed teeth 101 and the speed change teeth 6, the fixed teeth 101 are fixed on the installation support 1, the speed change teeth 6 are arranged on the speed change support 3, two ends of the speed change teeth 6 are hinged on the speed change support 3, one end of the speed change support 3 is fixedly connected with the rotating rod 5, the speed change teeth 6 are arranged on the speed change support 3 and then sleeved with the, the variable-speed support 3 is internally and alternately connected with a fixed gear 101, the fixed gear 101 is meshed with a variable-speed gear 6, the variable-speed cylinder 2 is fixedly connected with a rotary cylinder, the rotary cylinder drives the variable-speed cylinder 2 to rotate, the variable-speed cylinder 2 drives the variable-speed support 3 to rotate through a rotary rack 7, the variable-speed support 3 drives a rotary rod 5 to rotate, when the variable-speed support 3 is worth noting, at least three variable-speed gears 6 are arranged, as shown in figure 5, preferably four variable-speed gears 6 are arranged, the variable-speed gears 6 and the fixed gear 101 are planetary gears, when the variable-speed cylinder 2 rotates rapidly, the rotary rod 5 rotates slowly, the specific process is that when the curtain is pulled down manually, the curtain drives the rotary cylinder to rotate at high speed, the rotary cylinder is fixedly connected with the variable-speed cylinder 2, when the rotary cylinder rotates at high speed, the variable-speed cylinder 2 drives the variable-speed gear 6 to rotate, the variable-speed support 3 is driven to rotate at a slow speed, the specific process is that when the rotary drum rotates for 35 circles, the rotary drum drives the variable-speed cylinder 2 to rotate for 35 circles, the variable-speed cylinder 2 drives the variable-speed support 3 through the variable-speed teeth 6 and the fixed teeth 101, the variable-speed support 3 rotates until the rotary drum 5 rotates, the rotary drum 5 only rotates for 10 circles, the rotation speed ratio is 3.5:1, and the rotary drum is ensured to rotate enough circles to meet the height of the curtain.
The constant force spring mechanism comprises a constant force spring box 4, a spring rotating core 10 is arranged in the constant force spring box 4, the outer side of the spring rotating core 10 is fixedly connected with a constant force elastic part 9, the inner side of the spring rotating core 10 is fixedly connected with a rotating rod 5, a second fixing groove 8 matched with the rotating cylinder for use is arranged on the outer side of the constant force spring box 4, the spring rotating core 10 is arranged in the constant force spring box 4, the spring rotating core 10 is fixedly connected with the constant force elastic part 9, the constant force spring box 4 is fixedly connected with the rotating cylinder, the constant force spring box 4 is sleeved inside the rotating cylinder, the constant force spring box 4 and the variable speed cylinder 2 synchronously rotate, when the constant force spring box 4 rotates at a high speed, the spring rotating core 10 is fixedly connected with the rotating rod 5, the rotating rod 5 drives the spring rotating core 10 to rotate at a slow speed, the constant force elastic part 9 is driven to deform through the spring rotating core 10, the specific fixing mode is that a fixing rib is arranged inside, fixed muscle alternates and connects first fixed slot 11 and second fixed slot 8, and fixed muscle is as an organic whole through first fixed slot 11 and second fixed slot 8 with a variable speed section of thick bamboo 2 and constant force spring box 4 even, realizes a variable speed section of thick bamboo 2 and the synchronous rotation of constant force spring box 4, and it is worth noting that dwang 5 does not have fixed connection constant force spring box 4, only fixed connection spring changes core 10, and the spring changes core 10 and passes through constant force elastic component 9 and connect constant force spring box 4.
The cross section of the rotating rod 5 is D-shaped.
The constant force elastic member 9 is a constant force spring, the constant force spring is a prior art, the constant force spring is composed of spiral metal sheets, and the inner sides of the metal sheets are bent, so that each circle of metal sheets is tightly wound on one circle of metal sheets in the constant force spring. When the sheet metal is stretched (twisted) the internal stress resists the load force, exactly as in a conventional tension spring, but the coefficient is close to constant (zero), and in use the spring is usually wound tightly around the drum using an ID, with its free end connected to the load, as a counterweight, but it can be reversed, leaving the free end fixed, with the spring itself providing the working force, as in a carbon brush in an electrical device.
The working process of the invention is as follows: the rotating rod 5 is provided with a constant force spring mechanism fixedly connected with the rotating drum, the rotating rod 5 is fixedly connected with a constant force elastic part 9 in the constant force spring mechanism, a constant force spring box 4 of the constant force spring mechanism is sleeved with the rotating drum and is fixedly connected with the rotating drum, meanwhile, a speed change drum 2 of the speed change mechanism is also fixedly connected with the rotating drum, the rotating drum rotates under the driving of the curtain, the rotating drum drives the speed change drum 2 and the constant force spring box 4 to rotate rapidly and synchronously, further, the rotating rod 5 rotates slowly through the speed change mechanism, when the rotating drum and the constant force spring box 4 rotate 3.5 circles synchronously, the rotating rod 5 rotates 1 circle to meet the height of the curtain, the rotating drum is subjected to speed adjustment through the speed change mechanism, under the high-speed rotation of the rotating drum, the rotating rod 5 rotates at low speed through the speed change mechanism, enough circles of rotation of the rotating drum to meet the height of the curtain are ensured, and the width, the invention can make the curtain stay at any position by increasing and decreasing the constant force spring mechanism, the invention has novel structure, simple operation, wide application and easy popularization, the speed change mechanism comprises a fixed tooth 101, a speed change tooth 6 and a speed change cylinder 2, the fixed tooth 101 is fixedly connected with an installation support 1, the speed change tooth 6 is fixedly connected with a rotating rod 5 through the speed change support 3, an annular rotating rack 7 is arranged in the speed change cylinder 2, the speed change tooth 6 is arranged between the fixed tooth 101 and the rotating rack 7, the speed change tooth 6 is connected with the fixed tooth 101 and the rotating rack 7 through gear meshing, a first fixing groove 11 matched with the rotating cylinder is arranged at the outer side of the speed change cylinder 2, the speed change mechanism comprises the speed change cylinder 2, the fixed tooth 101 and the speed change tooth 6, the fixed tooth 101 is fixed on the installation support 1, the speed change tooth 6 is arranged on the speed change support 3, two ends of the speed change tooth 6 are hinged on the speed change support 3, one, the speed change gear 6 is arranged behind the speed change support 3 and is sleeved with the speed change cylinder 2, the outer side of the speed change gear 6 is meshed with the rotating rack 7, the fixed gear 101 is inserted and connected in the speed change support 3, the fixed gear 101 is meshed with the inner part of the speed change gear 6, the speed change cylinder 2 is fixedly connected with the rotating cylinder, the rotating cylinder drives the speed change cylinder 2 to rotate, the speed change cylinder 2 drives the speed change support 3 to rotate through the rotating rack 7, the speed change support 3 drives the rotating rod 5 to rotate, when the speed change cylinder 2 rotates rapidly, at least three speed change gears 6 are arranged, as shown in figure 5, the number of speed change gears 6 is preferably four, the speed change gears 6 and the fixed gear 101 are arranged in a planetary gear, when the speed change cylinder 2 rotates rapidly, the rotating rod 5 rotates slowly, when the curtain is pulled down manually, the curtain drives the rotating cylinder to rotate at high speed, the rotating cylinder is fixedly connected, the speed changing cylinder 2 drives the speed changing teeth 6 to rotate through the rotating rack 7, the speed changing teeth 6 are matched with the fixed teeth 101 to drive the speed changing support 3 to rotate at a slow speed, the specific process is that when the rotating cylinder rotates 35 circles, the rotating cylinder drives the speed changing cylinder 2 to rotate 35 circles, the speed changing cylinder 2 drives the speed changing support 3 through the speed changing teeth 6 and the fixed teeth 101, the speed changing support 3 rotates the rotating rod 5, the rotating rod 5 rotates 10 circles, the rotating speed ratio is 3.5:1, and the rotating cylinder is ensured to rotate enough circles to meet the height of the curtain;
the constant force spring mechanism comprises a constant force spring box 4, a spring rotating core 10 is arranged in the constant force spring box 4, the outer side of the spring rotating core 10 is fixedly connected with a constant force elastic part 9, the inner side of the spring rotating core 10 is fixedly connected with a rotating rod 5, a second fixing groove 8 matched with the rotating cylinder for use is arranged on the outer side of the constant force spring box 4, the spring rotating core 10 is arranged in the constant force spring box 4, the spring rotating core 10 is fixedly connected with the constant force elastic part 9, the constant force spring box 4 is fixedly connected with the rotating cylinder, the constant force spring box 4 is sleeved in the rotating cylinder, the constant force spring box 4 and the variable speed cylinder 2 synchronously rotate, when the constant force spring box 4 rotates at a high speed, the spring rotating core 10 is fixedly connected with the rotating rod 5, the rotating rod 5 drives the spring rotating core 10 to rotate at a slow speed, and then the constant force elastic part 9 is driven to deform by the spring rotating core 10, and the specific fixing mode is that, the fixed ribs are connected with the first fixed groove 11 and the second fixed groove 8 in an inserting mode, the fixed ribs connect the speed changing cylinder 2 and the constant force spring box 4 into a whole through the first fixed groove 11 and the second fixed groove 8, synchronous rotation of the speed changing cylinder 2 and the constant force spring box 4 is achieved, it is worth noting that the rotating rod 5 is not fixedly connected with the constant force spring box 4 but fixedly connected with the spring rotating core 10, the spring rotating core 10 is connected with the constant force spring box 4 through the constant force elastic part 9, the specific process is that when the curtain is pulled down manually, the curtain drives the rotating cylinder to rotate at a high speed, the rotating cylinder is fixedly connected with the speed changing cylinder 2 and the constant force spring box 4 through the fixed ribs, when the rotating cylinder rotates at a high speed, the speed changing cylinder 2 drives the speed changing teeth 6 to rotate through the rotating toothed rail 7, and the speed changing teeth 6 are matched with the fixed teeth 101, the variable speed support 3 is driven to rotate at a slow speed, the specific process is that when the rotary drum rotates for 35 circles, the rotary drum drives the constant force spring box 4 of the variable speed drum 2 to rotate for 35 circles, the variable speed drum 2 drives the variable speed support 3 through the variable speed teeth 6 and the fixed teeth 101, the variable speed support 3 reaches the rotation of the rotary drum 5, the rotary drum 5 only rotates for 10 circles, the rotary drum 5 drives the spring rotary core 10 to rotate for 10 circles, the constant force spring rotates for 10 circles, the rotation speed ratio is 3.5:1, it is ensured that enough circles of rotation of the rotary drum meet the height of the curtain, the elastic force of the constant force spring is equal to the self gravity of the curtain, gravity balance is formed, the curtain is pulled to stop at any position, when the curtain is folded, the bottom of the curtain is supported by hands, the balance between the curtain and the constant force spring.
The invention adjusts the speed of the revolving drum through the speed change mechanism, and the rotating rod 5 rotates at low speed through the speed change mechanism under the high-speed rotation of the revolving drum, so as to ensure that enough turns of the revolving drum meet the height of the curtain, and the width of the curtain can be maximized, the counterweight of the lower rail of the curtain can be reduced, and the curtain can stay at any position through the increase and decrease of the constant force spring mechanism.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The technical features of the embodiments described above can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, however, as long as there is no contradiction between the combinations of the technical features, the combinations of the technical features should be considered as being within the scope described in the present specification, and when the combinations of the technical features are contradictory or cannot be realized, the combinations of the technical features should be considered as not being present, and the combinations of the technical features are not within the scope of the claims. Also, it will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the spirit of the principles of the invention.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the overall concept of the present invention, and these should also be considered as the protection scope of the present invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110037090.1A CN112664123A (en) | 2021-01-12 | 2021-01-12 | Constant force multiple spring (window) curtain rolling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110037090.1A CN112664123A (en) | 2021-01-12 | 2021-01-12 | Constant force multiple spring (window) curtain rolling system |
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| CN112664123A true CN112664123A (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110037090.1A Pending CN112664123A (en) | 2021-01-12 | 2021-01-12 | Constant force multiple spring (window) curtain rolling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022237299A1 (en) * | 2021-05-14 | 2022-11-17 | 卧安科技(深圳)有限公司 | Curtain opening/closing device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201627566A (en) * | 2015-01-20 | 2016-08-01 | 德侑股份有限公司 | Window shade and control system thereof |
| CN218844204U (en) * | 2021-01-12 | 2023-04-11 | 郑州名扬窗饰科技股份公司 | Constant force multiple spring (window) curtain rolling system |
-
2021
- 2021-01-12 CN CN202110037090.1A patent/CN112664123A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201627566A (en) * | 2015-01-20 | 2016-08-01 | 德侑股份有限公司 | Window shade and control system thereof |
| CN218844204U (en) * | 2021-01-12 | 2023-04-11 | 郑州名扬窗饰科技股份公司 | Constant force multiple spring (window) curtain rolling system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022237299A1 (en) * | 2021-05-14 | 2022-11-17 | 卧安科技(深圳)有限公司 | Curtain opening/closing device |
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